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Manufacturers
Roofing manufacturers, their flagship product lines and certification programs. 314 entries.
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Acralight Solar
Acralight Solar, LLC makes industrial and commercial skylights, heat and smoke vents, roof access hatches and skylight fall-protection products, and says it operates from its main manufacturing plant in Arizona with distribution warehouses in the Southwest. Its ICC-ES report ESR-2415 states the skylights are manufactured in Tucson, Arizona, and its UL 793 certificate and FM Approvals report list its plant at 4940 S. Alvernon Way, Tucson. Roof products include SkyArc polycarbonate and acrylic dome unit skylights and UL Listed and FM Approved dual-lid heat and smoke vents.
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Acry-Tech Coatings, Inc.
Acry-Tech Coatings, Inc. is a manufacturer of water-based coatings with its plant in Riviera Beach, Florida. Its lines include DuraTex speaker cabinet coatings, Acoust-X sound damping coating and Safe Tread anti-slip coatings. For roofs it makes acrylic elastomeric waterproof coatings (Advantage, Roof Seal Premium), the CeramaX ceramic-filled heat reflective coating, the Elasto-Fill patching compound and acrylic roof paints (Supreme Roof, Super Roof Gloss).
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Acrymax Technologies, Inc.
Acrymax Technologies, Inc. formulates, manufactures and markets protective coating systems and fluid-applied roofing systems, work it states it has done since 1951. It specializes in waterborne elastomeric materials, a focus it dates to the late 1970s. Its facility is at 221 Brooke Street in Media, Pennsylvania, outside Philadelphia, and its product range covers roof coatings, wall coatings, deck coatings and water repellents.
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Activar Construction Products Group
A commercial construction products maker headquartered in Bloomington, Minnesota, with manufacturing and distribution facilities in Commerce, California, Bloomington, Minnesota and Burnaby, British Columbia. It sells under the brand names JL Industries, Air Louvers, Maxam Metal Products, Dur-Red Products and Cato, and states its group of companies has carried the Activar Construction Products Group name since 2001. Its roof accessories line, much of it from Dur-Red Products (which joined the group in 2021), covers roof hatches, equipment hatches, domed hatches and automatic smoke vents, alongside hatch safety railings, ladder posts and rooftop pipe and equipment supports; it also makes fire extinguisher cabinets, access panels, floor doors and door products.
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Active Ventilation Products
A family-owned Newburgh, New York manufacturer of roof vents, off-ridge vents, roof exhaust fans, solar attic fans, soffit vents, roof curbs and related ventilation accessories, which states it has been manufacturing roof vents since 1997 and is owned and operated by brothers Martin and Ethan Kolt. Its lines include the Aura gravity ventilator and Aura solar attic fan, the Keepa flat-roof vent, the Pop Vent roof louver, the Round Back static vent and the Universal off-ridge vent, in diameters from 3 to 48 inches. It says many of its products are UL Listed and approved by the State of Florida and the Texas Department of Insurance.
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Acurlite Structural Skylights, Inc.
Acurlite Structural Skylights, Inc. is a manufacturer of commercial skylights and sloped glazing headquartered in Berwick, Pennsylvania, founded by Ron Palombo, a former principal at Skytech Systems, Inc., with his wife Donna. It designs, engineers and fabricates extruded aluminum metal-framed structural skylights in single pitch, double pitch, lean-to, pyramid, polygon, round, sawtooth and vault geometries, with hurricane impact rated and blast rated options, and the factory-assembled, pre-glazed EZ-Lite unit skylight. In January 2026 the company announced its 25th year in business.
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AEP Span
A manufacturer of architectural and commercial metal roofing and siding panels. Its About Us page states that the business began manufacturing as ASC Pacific at its Tacoma facility in 1971, later acquired the Dallas-based AEP Span Inc., and today manufactures from two locations, West Sacramento, California and Tacoma, Washington. It is a division of ASC Profiles LLC, which the page describes as co-owned by Nippon Steel and BlueScope. Its roof line includes snap-together and mechanically seamed standing seam panels (Design Span hp, Span-Lok hp, SpanSeam, Select Seam) and exposed-fastener panels (HR-36, Nu-Wave Corrugated, PBR and others).
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Agway Metals Inc.
Agway Metals Inc. is a Canadian steel building products company that makes cladding, roofing and decking profiles for residential, agricultural, industrial, commercial and institutional markets, and says it has done so for over 40 years. It lists plants in Brampton, Exeter and Oakville, Ontario, and a Drummondville-area plant in Quebec that opened in October 2024 to produce its Optimum Rib and Nordet 36 profiles. Its metal roofing line includes concealed-fastener AR Standing Seam, Nail Strip and Snap Lock panels and exposed-fastener ribbed and corrugated panels. Agway names itself as part of the Bailey Group of Companies with Bailey Metal Products and Bailey Metal Processing.
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Air Vent Inc
A manufacturer of attic ventilation products, including the ShingleVent II shingle-over ridge vent line, operating as one of the brands within Gibraltar Industries' Building Accessories business (Gibraltar Building Accessories Division).
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All Weather Insulated Panels
All Weather Insulated Panels (AWIP) designs and manufactures foam composite insulated metal panels for the North American building market. It operates continuous line manufacturing facilities in Vacaville, California, Little Rock, Arkansas and East Stroudsburg, Pennsylvania. Its roof catalog covers the HR3 and HR5 through-fastened high-rib roof panels and the SR2 standing seam roof panel, alongside wall, roof deck, fire-rated and solar-mount panel lines.
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Allsteel Inc.
Allsteel Inc. is a manufacturer of metal roofing and siding founded in 2006, operating manufacturing facilities in Gepp and Harrison, Arkansas, and West Plains, Missouri. It roll-forms exposed-fastener roof and wall panels (Apex, Tuff Rib and PBR) and concealed-fastener standing seam roof panels (Snap Lock 1 inch, Clip 1.5 inch and Mechanical 1.5 inch), forming its standing seam panels on the jobsite, and also bends custom trim and sells metal buildings, insulation and accessories.
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Alpha Pro Tech
Alpha Pro Tech, Ltd. is a company listed on NYSE American (APT) that makes disposable protective apparel, face masks and construction weatherization products. Its Building Supply segment, run through Alpha ProTech Engineered Products, Inc., makes housewrap and synthetic roof underlayment; the company added those weatherization products in 2005. It lists building products manufacturing in Valdosta, Georgia, and a manufacturing joint venture in India. Its roof underlayments include the REX and TECHNO SB mechanically fastened synthetics and self-adhered underlayments.
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Alpine SnowGuards
A 100% employee-owned (ESOP) manufacturer of snow retention and solar snow management systems, established in 1993 in Morrisville, Vermont. Alpine SnowGuards designs, engineers and manufactures pad-style, wire-loop and rail-style snow guards for metal, slate, tile, shake and asphalt shingle roofs, and describes itself as the maker of the first dedicated solar snow management system.
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Alu-Rex
A Quebec maker of aluminum gutter protection and continuous gutter hanger systems sold through trained gutter installers in Canada and the United States. Its About page traces the company to the Brochu family's gutter installing business, which the brothers sold to build machines for mass-producing their Gutter Clean System, set up in the La Rotonde building in Charny in 1999; it credits the company with the first continuous hanger (T-Rex), later the Double Pro dual-layer guard, the Hover floating hanger and Gutter Clean Pro, and says it took direct control of its US operations. Its contact page lists a head office at 371 Taniata Avenue and a plant at 2180 de la Rotonde Avenue, both in Lévis, Quebec.
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American Building Components
American Building Components (ABC, trading online as ABC Metal Roofing) is a manufacturer of steel roof and wall panels, trim, light-gauge framing and accessories, and part of Cornerstone Building Brands, Inc. Its about page says it has manufactured since 1908 and sells through authorized dealers and distributors, who order through its online ordering tool. Its locations page lists a main office in Houston, Texas and plants in Adel, Georgia; Mt. Pleasant, Iowa; Oklahoma City, Oklahoma; Rome, New York; Tolleson, Arizona and Salt Lake City, Utah. Its roofing panels span exposed-fastener profiles (PBR, PBU, 5V Crimp, corrugated and others) and the LokSeam and Slimline concealed-fastener panels.
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American Hydrotech
A maker of roofing and waterproofing systems built around Hydrotech Monolithic Membrane 6125, a hot fluid-applied rubberized asphalt membrane, together with Garden Roof vegetated roof assemblies, protected membrane roof assemblies, Hydrodrain drainage composites and the Ultimate Assembly paver deck. Its About page states the company was founded in 1977 after acquiring the United States distribution rights to MM6125, developed in the early 1960s by Uniroyal Ltd., that it is headquartered in Chicago, Illinois, and that its products are sold only to pre-approved contractors. Its own press page reports that Sika acquired American Hydrotech Inc. and its Canadian affiliate, Hydrotech Membrane Corporation, and the site now presents the brand as Sika Roofing and Waterproofing; its contact page and current Garden Roof brochure give that business's address as Canton, Massachusetts rather than Chicago.
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American Skylights
American Skylights is a skylight manufacturer at 1218 Corporate Dr E, Arlington, Texas, which states it has made commercial skylights since 1974. It builds custom-size curb-mount and self-flashing unit skylights with acrylic or polycarbonate domes and pyramids or insulating glass, including hurricane-rated units, OSHA fall-protection rated units and FM Approved units. It also makes non-structural skylight roof systems: barrel vaults, half rounds, ridge lites, ridge mounts, tandem systems and the American Patriot metal-framed skylight.
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American WeatherStar
A manufacturer of fluid-applied commercial roof restoration systems and products, including acrylic, silicone and urethane roof coatings, sealants and mastics, primers, spray polyurethane foam and wall coatings, sold with training, technical support and warranty programs for roofing contractors. Its own site states it has served the commercial roofing industry since 2004 and gives its address as 8095 Padgett Switch Road, Irvington, Alabama.
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Amerimax
A manufacturer of steel, aluminum, vinyl, and copper rain-carrying (gutter) systems and roofing accessories sold at national retail, including drip edge / roof edge trim, roll valley flashing, W-valley, Z-bar, and step flashing in aluminum, galvanized steel, and copper.
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Ames Research Laboratories, Inc.
Ames Research Laboratories, Inc. is a privately held manufacturer of water-based, rubber and acrylic elastomeric waterproof coatings for roofs, basements, foundations and decks, made in Salem, Oregon. The company was started in 2002 by William Ames Curtright, who earlier developed the Snow Roof System water-based roof coatings. Its roofing line includes Ames Premium Roof Armor, Maximum-Stretch, Elasto-Barrier base coat and the Blue Max liquid rubber family.
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Anbrook Industries
A Western Red Cedar shake and shingle mill at Pitt Meadows, British Columbia, run by the Meeker family, whose shake and shingle business it traces to Toke Meeker's Meeker Cedar Products at Mission in the 1930s and to Stave Lake Cedar Mills before that. Clayton Meeker built Anbrook in the later 1970s as a small one-machine mill next door to his larger Clayton Cedar Products shake mill, and Anbrook states it has deliberately stayed small. It makes split and resawn shakes, tapersawn shakes and shingles in Western Red Cedar and in Alaskan yellow cedar, states its products meet the Sustainable Forestry Initiative chain of custody criteria, and keeps a US mailing address in Sumas, Washington.
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Anchor Products
A maker of rooftop attachment systems for commercial roofs, built around the U-ANCHOR, a galvanized steel plate with a welded stainless bolt that is covered with the roof's own brand-specific membrane and hot-air welded into the roof so equipment can be secured without penetrating or ballasting it. Its home page says the anchor is used with TPO, PVC, EPDM, asphalt and coated roofs and underpins frames for solar arrays, HVAC and piping, guardrails, ladders, snow fences and communications equipment. Its site gives an office in Haltom City, Texas.
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Andek Corporation
Andek Corporation formulates and manufactures coatings and sealants for roofs, walls, floors and decks from facilities in New Jersey and Pennsylvania. Its roofing line includes acrylic, urethane, elastomeric and aluminum roof coatings, primers and reinforcing fabrics. Its corporate office is in Cinnaminson, New Jersey, with a distribution center in Moorestown, New Jersey.
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Artistic Skylight
Artistic Skylight is a Canadian skylight manufacturer, established in 1980 by Sam and Teresa Ferrazzo as Artistic Skylight Domes. It states that all parts and products are manufactured in Woodbridge, Canada, and that it ships to projects across Canada, the United States and overseas. Its line covers residential and commercial curb-mount and self-flashing unit skylights in glass and thermoformed acrylic, circular and pyramid skylights, modular and structural architectural skylights, roof hatch skylights, fall protection skylights and solar tunnels.
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ATAS International
A family-owned manufacturer of metal roofing, wall cladding, ceilings, and accessories in aluminum, steel, zinc, stainless steel, and copper. Headquartered in Allentown, Pennsylvania.
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Atlas Roofing Corporation
A manufacturer of asphalt shingles, polyiso insulation, and underlayments, known for Scotchgard-protected shingles and the StormMaster impact-resistant line.
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Attic Breeze, LLC
A Gatesville, Texas maker of solar-powered attic ventilation fans and their accessories, currently the UltraBreeze roof-mount series with attached or detached solar panels, the low-profile AeroBreeze roof-mount series, the GableBreeze gable-mount series and Breeze Mate controls. The company says it manufactures in the USA from domestic and foreign materials in a 60,000 sq. ft. facility in the Central Texas Hill Country powered by a 23 kW grid-tied solar array, and it backs its fans with a residential lifetime and commercial 25-year limited parts warranty. Its warranty page also names a Cardinal Ventilation SolarPRO line.
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Aztec Washer Company
A Poway, California maker of the Master Flash line of pipe flashings (roof jacks) for metal roofs, residential roofs, solar and electrical penetrations, HVAC, square pipes and retrofit work, and of Master Seal bonded sealing washers in stainless steel, galvanized steel and aluminum, EPDM rubber washers and P36 saddle washers. Master Flash flashings pair an EPDM, silicone or fire-resistant polymer sleeve with a flexible aluminum base that conforms to profiled metal panels.
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Babcock-Davis
A Brooklyn Park, Minnesota maker of commercial building access and safety products that states it has designed and produced such products since 1906. Its rooftop line covers personnel, equipment, security, daylighting and thermally broken roof hatches, automatic smoke vents with metal, translucent or acoustically rated covers, an automatic roof hatch opener, and OSHA-oriented safety railings, grab bars and ladder safety posts for hatches and vents; it also makes access doors, floor doors and entrance mats and grilles. It sells through a North American network of distributors and manufacturers' representatives.
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Barricade Building Products
A maker of exterior building-envelope products, a member of INDEVCO North America with its office at 10351 Verdon Road in Doswell, Virginia, which says it has worked since 1986 and runs manufacturing plants across the USA. Its range covers building wraps, structural and structural insulated sheathing, EPS and GPS rigid foam, window and door flashing, seam tape and lumber wrap; its one roofing line is the Barricade UDL Pro synthetic roof underlayment.
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Bartile
A family-owned maker of extruded concrete roof tile based in Centerville, Utah, which describes itself as a roof tile manufacturer since 1942 offering slate, split timber (shake), Sierra Mission and European profiles in over 700 colors, each backed by a 75-year warranty. Its extruded concrete roof tiles are the subject of ICC-ES Evaluation Report ESR-2778, which states they comply with ASTM C1492.
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BEMO USA Corporation
BEMO USA Corporation, established in 1999, is the headquarters for BEMO's US operations and is based in Mesa, Arizona, with associated companies in Europe, Qatar, Singapore, Brazil and the United Kingdom. It makes standing seam metal roof and wall systems in aluminum, steel, stainless steel, zinc, copper and titanium. Its roof panels are roll-formed on self-contained BEMO-Mobile Factory Mills housed in shipping containers, which allows on-site panel manufacturing.
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Benchmark Foam, Inc.
Benchmark Foam, Inc. is a manufacturer of expanded polystyrene (EPS) foam and other specialty plastics at 401 Pheasant Ridge Drive in Watertown, South Dakota, and states it took its name in 1988. Its EPS products serve building envelope applications, including tapered and flat EPS roofing insulation boards and eps360, a rigid board molded from 100% recycled post-consumer EPS. It publishes EPS technical data to ASTM C578 and reports quarterly third-party plant inspections by Twining Inc.
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Benjamin Obdyke Incorporated
A manufacturer of ridge ventilation and rainscreen products, including the Cougar LP, Rapid Ridge, Shark Vent and Xtractor Vent shingle-over ridge vent lines and the rolled Roll Vent ridge vent, alongside housewrap, rainscreen and roof/wall ventilation mat products such as Cedar Breather and AeroNet. Headquartered in Horsham, Pennsylvania.
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Berger Building Products
A Feasterville Trevose, Pennsylvania manufacturer, operating since 1874, of roll-formed sheet-metal roofing accessories, roof drainage, gutter protection and snow retention products, including drip and roof edges, valley flashing, step flashing, gutter apron, apron and dormer flashing and kick-out diverters in aluminum, galvanized steel, copper and stainless steel.
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Berridge Manufacturing Company
A manufacturer of architectural metal roof and wall panels, painted coil and flat sheet, and portable roll-forming equipment. Headquartered in San Antonio, Texas.
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The BILCO Company
A New Haven, Connecticut maker of roof access hatches and automatic roof smoke vents. Its guide specifications and size tables cover single-leaf ladder, ship-stair and service-stair roof hatches, dome-covered daylighting hatches, single- and double-leaf equipment hatches, thermally broken aluminum hatches, and double-leaf automatic smoke vents with metal, translucent polycarbonate or acoustically rated covers, all mounted on 12 in. insulated curbs with integral capflashing for tying in the roofing. Its specifications state a quality system registered to ISO 9001 and a standard five-year warranty against defects in material and workmanship.
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BITEC
A manufacturer of modified bitumen roofing membranes founded in 1986 by Bruce Shealey to introduce European roofing technologies to the U.S. market. Its lines include the Advanced Bitumen Technology SBS and APP cap and base sheets, the Imperflex self-adhered SBS system introduced in 2000, and, through its 2024 acquisition of Viking Products Group, Viking asphalt and coal tar pitch built-up roofing, alongside single-ply, coating and repair products.
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Blue Ridge Fiberboard
A wood-fiberboard manufacturer with its plant at 250 Celotex Drive in Danville, Virginia, which makes Celotex-branded products including Structodek roof insulation and cover board, SoundStop sound-deadening panels and Premium Insulating Sheathing, plus fiberboard for bulletin boards, partitions, furniture and packaging. Its low-slope roofing line is STRUCTODEK HD with Primed Red Coating, the Structodek-based Cant Strip and Tapered Edge, and the STURDY-DEK asphaltic cover board.
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Brava Roof Tile
A manufacturer of premium composite roofing that replicates cedar shake, natural slate, and Spanish barrel tile using recycled, recyclable polymer. Founded in 2008, its tiles are Class 4 impact rated, available in Class A or Class C fire-rated configurations, and carry a 50-year limited warranty.
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Buckeye Metal Sales
Buckeye Metal Sales is a family-owned metal roofing and siding supplier based in Frankfort, Ohio, founded in 2004. It roll-forms its own Standing Seam, Buckeye Wave and Standard 5-Rib steel panels, including on-site roll-forming of standing seam, and also sells trim, fasteners and other building supplies. It serves contractors and homeowners within about 100 miles, including Columbus, Dayton and parts of Kentucky and West Virginia.
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Bullet Boots LLC
A Fort Myers, Florida company, founded by John Leonard, that makes patented one-piece plastic pipe flashings and roof vents meant to replace the lead pipe boots and metal vents common on Southern Florida roofs. Its lines are the Bullet Boot TPE pipe flashing, the Bullet Boot TPO pipe flashing for TPO membrane roofs, the Bullet Vent gooseneck exhaust vent and the Bullet Stealth off-ridge vent. The company says it manufactures these products, sells only through authorized distributors, and backs them with a 35-year limited warranty.
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Butler Manufacturing
Butler Manufacturing was founded in Kansas City in 1901 and makes pre-engineered metal building systems, including roof, wall, structural framing and insulation systems sold through its Butler Builder network. Its roof systems include the MR-24 standing seam roof, introduced in 1969, the Butlerib II through-fastened roof and the VSR II architectural standing seam roof. BlueScope Steel Limited acquired the company in 2004, and it is a division of BlueScope Buildings North America, Inc.
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Caliber Metal LLC
Caliber Metal LLC is a metal roofing and steel building supplier in Cameron, Texas, founded in 2017, that states it manufactures and supplies metal, steel and hardware for Central Texas. It roll-forms custom-length roof and wall panels to order, including PBR, AG (classic rib) and standing seam profiles, and also bends trim. Its panels are offered in over 20 standard and 30 premium colors with a Valspar paint finish.
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Camara Slate
A family-run Vermont slate quarrier and fabricator based in Fair Haven, Vermont, producing natural roofing slate alongside flagstone and pavers, floor tile and countertops. Its site says its quarries in the Green Mountains have been worked since the mid 1850s and that it quarries, fabricates and distributes its own products. It also buys used roofing slate across the Northeast, sorts it in Vermont and resells it by the piece or pallet for repairs and historic work.
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Campbell River Shake & Shingle
A family-run cedar shake and shingle maker and roofing installer at Campbell River on Vancouver Island, British Columbia, opened in 1983 by Albert Lafleur, who began as a shake packer at 15, and now run with his son Jeremy. From a former forestry property it makes cedar roofing products by hand for companies across North America and installs roofs in the Campbell River area. It states it is certified with the Cedar Shake and Shingle Bureau and regularly inspected for grade, and it also buys in shingles when an order calls for them.
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Carlisle SynTec Systems
A leading manufacturer of commercial single-ply roofing systems - TPO, EPDM, and PVC membranes - and a business of Carlisle Companies Incorporated.
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Ceco Building Systems
Ceco Building Systems engineers and fabricates metal building projects and has served the commercial building industry since 1947, when C. L. Mitchell founded it. Its history page states that Robertson-Ceco Corporation was sold in 2006 to NCI Building Systems, now known as Cornerstone Building Brands. Its roofing line is metal roof panels for its buildings: standing seam panels (Double-Lok, BattenLok HS, SuperLok, Ultra-Dek) and the ribbed PBR panel. Its contact sheet gives its address as 100 Red Iron Rd., Rocky Mount, North Carolina.
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CeDUR
A Colorado-based manufacturer of lightweight synthetic cedar shakes made with polyurethane-based technology and molded from natural cedar. Products are Class 4 impact rated, standalone Class A fire rated, made in the United States, and backed by a 50-year limited warranty. Headquartered in Aurora, Colorado.
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Central States Manufacturing
A 100%-employee-owned manufacturer of metal roofing and siding panels, metal building packages, and metal building components, rebranded from "Central States Manufacturing" to "Central States" on its consumer-facing site while continuing to use the original name in its own corporate and legal copy (photo-release language, Facebook page @CentralStatesMfg). Its metal roofing line spans exposed-fastener panels (5V, R-Loc, M-Loc, Panel-Loc Plus) and standing seam panels (Central-Loc, Central Snap), manufactured and distributed from multiple U.S. plants.
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CENTRIA
CENTRIA is a manufacturer of architectural metal wall and roof systems, including insulated metal panels, rainscreen and exposed-fastener panels and structural standing seam roof panels, and is a Nucor company. Its site footer lists its office at 700 State Highway 121 Bypass in Lewisville, Texas, and it sells through sales representatives. Its roof systems include the SRS 3, SDP 175 and SDP 200 standing seam panels and the Versapanel insulated metal roof panel.
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CertainTeed
A major North American building-products manufacturer and a subsidiary of Saint-Gobain, known for its Landmark line of laminated asphalt shingles.
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Chem Link
A formulator and manufacturer of moisture-cured sealants and adhesives, now branded Chem Link by SOPREMA, whose roofing line includes the E-Curb penetration seal system that replaces metal pitch pans, the 1-Part pourable sealant used to fill it, and M-1 and DuraLink sealant/adhesives. Its About page says it combines its product heritage with the manufacturing and resources of SOPREMA. Its data sheets give its address as 353 E. Lyons Street, Schoolcraft, Michigan.
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Cheney Flashing
A sheet metal fabricator of custom flashing, roofing and masonry products, founded in 1928 by Allan Cheney, whose Sawtooth through-wall flashing its history page says was used on the Empire State Building. Its current catalog covers masonry flashings (drip plates, corners and end dams, counter flashing and reglets, custom rigid flashing, termination bars), stone anchors and dowels, and roofing items including batten and flush panels, copings, gravel stops, snap lock roof edge, gutters, scuppers and soffit panels. It gives a mailing address in Beltsville, Maryland, and its product pages say its corners and end dams are fabricated in Beltsville and Houston, Texas.
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Chief Buildings
Chief Buildings is a metal building manufacturer and part of Chief Industries, a family-owned company founded in 1954 in Grand Island, Nebraska. It sells metal building systems through Chief Independent Builders, along with steel roof and wall panels, including the MSC and STC 24-inch standing seam roof panels, the MVF and MVP 16-inch vertical-leg roof panels, and the 36-inch CS panel for roof or wall use.
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Coelho da Silva
A Portuguese family maker of fired clay roof tile, which says it has made roof tile in Portugal since 1927 and has been run by three generations of the same family. It sells in the United States through CS Clay Tile, its exclusive partner in Palm Coast, Florida, which stocks three profiles (Tecno, Plasma and Plasma TX5) with matching clay fittings and publishes a 50-year limited warranty for them. Miami-Dade County Notices of Acceptance for Tecno and Plasma name the manufacturer, spelled Coelha da Silva, in Juncal, Portugal, and CS Clay Roof LLC as the distributor.
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Columbia Green Technologies
A Portland, Oregon maker of green roof and amenity deck systems, including interlocking recycled polypropylene green roof trays (pre-grown and planted-in-place), layered extensive, semi-intensive and intensive vegetative roof systems, rooftop container planting assemblies and regionally blended growing media, alongside pavers, pedestals, foams and plants it supplies for roof decks. Its green roof systems page says its products are made in the USA and support stormwater rules, LEED and Living Building Challenge requirements, and its tray technical sheets list a manufacturing location in Washougal, Washington. The contact page gives its address as 79 SE Taylor Street, Suite 201, Portland, while its technical information sheets print Suite 102 at the same street address.
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Columbia Skylights
Columbia Skylights (Columbia Manufacturing Co. Ltd.) is a skylight manufacturer incorporated in 1955 and based at 4575 Tillicum Street, Burnaby, British Columbia, where it states all its products are made. It makes fixed and venting curb-mount, self-flashing and flat-roof skylights in glass and acrylic, commercial integrated-curb and circular dome skylights, roof access doors and sun tubes. It ships to the United States and abroad, and separately distributes FAKRO roof windows and skylights in Canada.
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Conklin
A manufacturer of acrylic, polyurethane, and silicone liquid-applied roof coating and restoration systems, along with spray polyurethane foam (SPF) roofing, primers, and fabric-reinforced membrane systems, sold under the Conklin Roofing Systems brand. Its product data sheets state the company address as Conklin Company Inc., and its website footer lists its current address as 3951 N Kimball Drive, Kansas City, Missouri.
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Cor-A-Vent, Inc.
A manufacturer of roof and rainscreen ventilation products, including the V-600 and V-300 shingle-over ridge vent lines, the S-400 and PS-400 continuous soffit strip vents, and the RS-400 Raft-A-Vent bird-block intake vent for open-rafter eaves. Its products are made from crush-resistant polypropylene. In business over 35 years as of 2026, headquartered in Mishawaka, Indiana.
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Creative Composites Group
Creative Composites Group is the group of U.S.-based fiber reinforced polymer (FRP) composite companies within Hill and Smith Holdings PLC, including Enduro Composites, Creative Pultrusions, Composite Advantage, Kenway Composites and United Fiberglass. Its roofing products are the TuffSpan and DuroSpan FRP roofing, siding and insulated panels made by Enduro Composites in Houston, Texas.
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Crown Roof Tiles
A concrete roof tile manufacturer trading as Crown Roof Tiles, with U.S. manufacturing at its Arcadia, Florida plant (Crown Building Products of Florida, LLC) supplying the Florida Signature Series, and a second plant in Monterrey, Mexico supplying the Texas Signature Series through a Pharr, Texas distribution yard. Its affiliate Russell Roof Tiles, founded in Great Britain in 1892 and making concrete roof tile since 1965, was acquired in November 2011.
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Crystal Structures
Crystal Structures is a Wichita, Kansas maker of sloped glazing that lists metal-framed skylights, glazed structures, translucent walls and roofs, canopies, greenhouses and commercial glazing among its products. Its skylight product data sheets name the company as manufacturer at 3333 N Mead, Wichita, KS, and cover aluminum-framed skylight systems and a factory-assembled unit skylight. The company also operates a residential brand, Sunshine Rooms.
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CUPA PIZARRAS
A Spanish quarrier and processor of natural slate for roofing and rainscreen cladding, which describes itself as the world leader in the production and distribution of natural slate and states that one of every two natural slates installed worldwide comes from it. It reports 24 owned quarries and 29 processing plants in Galicia and Castile and Leon, dates its first mining development to 1892 while its company page also prints 1968 as its founding year, and markets its roofing slates in the United States with a 100-year manufacturer's guarantee. Its roofing range includes the CUPA-numbered natural slates and the READYSLATE pre-assembled slate panel system.
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Custom-Bilt Metals
A maker of metal roofing, gutter, wall and soffit systems for the Western United States and Hawaii. Its About page states it was founded in 1980 and says it makes metal roofing and gutter systems; its roofing listing describes its CB Series standing seam as field roll-formed on the jobsite to exact length, and its locations page lists nine locations with onsite roll forming (Chino, McClellan, San Jose and Van Nuys, California; Lakewood and Spokane, Washington; Portland, Oregon; Phoenix, Arizona; and Honolulu, Hawaii). Its own line covers concealed-fastener standing seam (CB-2000, CB-150, CB-100), snap-lock (SL-1750, SL-150, SL-100, SLZ-1000), a batten-style CS-100, Vintage standing seam and exposed-fastener TFR-36, PBR and corrugated panels; its aluminum and steel shingle and shake category is labelled with the Isaiah Industries name. The site footer carries the copyright of Custom Bilt Holdings, LLC and an address at 3001 N Skyway Circle, Irving, Texas.
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Danpal
Danpal designs, manufactures and distributes translucent polycarbonate daylighting systems for facades, cladding, roofs, skylights, shading, interior and outdoor applications, and originated the Danpalon translucent panel standing seam system. Its roof and skylight systems are built from Danpalon multicell polycarbonate panels joined by dry-glazed standing-seam connectors. In the United States and Canada it operates as Danpal North America, with an office in Waukegan, Illinois.
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DaVinci Roofscapes
A manufacturer of premium synthetic slate and shake roofing tiles molded from engineered polymer, rated UL 2218 Class 4 for impact. A Westlake Royal Building Products brand.
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Davlin Coatings
Davlin Coatings is a California coatings manufacturer established in 1968 and based in Berkeley, California. It makes architectural and industrial coatings, including the Acrylastic line of water-based elastomeric waterproofing coatings introduced in 1975. Its roofing products include the Acrylastic UltraRoof acrylic roof coating system, the Sunshield reflective top coat and the RoofSeal silicone roof coating system.
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DCI Products
A Clifton Heights, Pennsylvania manufacturer of roof and attic ventilation products and gutter guards, which says it has been manufacturing and developing products for the roofing industry since 1990. Its lines include the SmartVent under-shingle intake vent, the SmartRidge I and SmartRidge II ridge vents, FasciaVent, US RoofVent and standing seam metal roof vents, plus SmartBaffle insulation baffles and the Flo-Free leaf guard. Since 2017 its SmartVent, SmartRidge and ValleyVent products have also been distributed nationally as part of the IPS Roofing Products line, while DCI remains the technical support source for products made in its own facility.
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DEKS
DEKS was established in Melbourne, Australia in 1947 and makes the Dektite rubber roof pipe flashing, which it describes as the first and original rubber roof flashing. Its US entity, DEKS North America, Inc., was established in 2010 in Elk Grove Village, Illinois, and sells Dektite flashings for metal, tile and clay, shingle and membrane roofs, Dektite solar flashings and DekStrip linear metal roof flashings. DEKS has a European entity in the UK (2003) and is part of the Skellerup Group.
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Delta Metals
Delta Metals is a metal roofing and siding manufacturer founded in 2008 in Western Colorado, with its Colorado plant at Delta, serving Western and Central Colorado and Eastern Utah. A sister rollforming operation, Delta Metals Iowa, was founded in 2013 in Leon, Iowa, moved to a 56,000 sq. ft. facility in Lamoni, Iowa in 2022, and acquired rollformer Richmond Metals of Richmond, Missouri in 2023. It rollforms concealed-fastener standing seam panels and exposed-fastener rib and corrugated steel roof and wall panels.
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Dimensional Metals, Inc.
A manufacturer of architectural metal roof and wall panel systems and fabricated architectural sheet metal. Its About page states that since 1988 the company has specialized in this manufacturing, with in-house CNC-operated fabrication equipment, an engineering department producing project shop drawings, field technical inspectors and Total System Watertight Warranties. Its contact page lists its Ohio headquarters at 58 Klema Drive North, Reynoldsburg, with a further facility in Columbus. The roof line comprises mechanically seamed structural panels (Span-Lock, Tee-Lock, Double-Lock, Inter-Lock, Ultra-Lock), snap-together panels (Snap-On-Seam, Nail-Strip, Batten-Seam) and curved and tapered variants, sold with its DynaClad 70 percent PVDF paint finish.
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Dörken Systems Inc.
The North American division of Ewald Dörken AG of Herdecke, Germany (a family company founded in 1892), based at 4655 Delta Way in Beamsville, Ontario, where Dörken opened a plant in 1995 and expanded it in 2022. It sells DELTA-brand air and moisture barriers in the USA and Canada; its roofing lines are the DELTA-TRELA structured underlayment for metal roofs, the DELTA-FLORAXX garden-roof drainage board and the DELTA-FLEXX-BAND sealing tape, alongside wall barriers, foundation dimple sheets and drainage composites.
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Drexel Metals
A manufacturer and distributor of engineered metal roofing systems, wall panels, edge metal and roll-forming equipment. Its About Us page states that Drexel Metals Corporation was founded in 1985, that Drexel Metals Inc. was formed as a successor company in 2009, and that it acquired the custom fabricator Met-Fab Manufacturing two years later. It operates sales, fabrication and distribution locations across the United States and extends fabrication through its Drexel Metals Plus network of authorized fabricators, certified installers and distributors. Its roof panel line spans mechanically seamed, snap-lock and batten standing seam profiles (DMC 100SS, 150SS, 175S, 200S, 250T, 450SL, 550S) and an exposed-fastener 5V panel.
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Duchesne
Duchesne is a manufacturer and distributor of building materials based in Yamachiche, Quebec, in business since 1927 and selling throughout Canada and the United States. It rollforms steel roofing profiles (TR 5, TR 7, TR 9, TR 80, TR 11 and CRG 7/8 corrugated) and concealed-fastener steel profiles (Authentik, Classik and Majestik), along with steel and aluminum siding, trims, nails, polyethylene film and concrete reinforcement.
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DuPont
A materials science company with its global headquarters in Wilmington, Delaware, whose building-envelope brands include Tyvek, Styrofoam, Great Stuff, Froth-Pak, Thermax and Corian. In steep-slope roofing it makes the Tyvek Protec portfolio of synthetic roofing underlayments, built on an embossed non-woven top layer, sold in three grades (Protec 120, 160 and 200) for slopes of 2:12 and greater.
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Duro-Last
A manufacturer of custom-fabricated PVC single-ply roofing membranes and TPO roll goods for commercial and low-slope buildings, in business since 1978.
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Eagle Roofing Products
A manufacturer of concrete roof tile for residential and commercial steep-slope roofs, offering profiles that emulate clay, wood shake, and slate. Founded in Rialto, California.
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EcoStar
A family-owned manufacturer of synthetic slate and shake roofing tiles made from upcycled and post-industrial recycled materials. Founded in 1993 as an early entrant in synthetic roofing, its tiles carry UL 2218 Class 4 hail impact resistance, UL 790 Class C or A fire resistance, and ASTM D3161 Class F wind resistance.
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EDCO Products
A manufacturer of steel roofing and steel siding, headquartered in Hopkins, Minnesota. Its steel roofing line includes ArrowLine Shake, ArrowLine Slate, Generations HD Shake and Infiniti Textured Shake, each a PVDF-coated steel panel styled to resemble cedar shake or natural slate; EDCO markets these as a lighter-weight, chip/crack/peel-resistant alternative to true stone-coated metal roofing rather than as a stone-coated product itself. It also makes steel siding, soffit, fascia, trim and rainware lines.
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EJOT USA
EJOT Fastening Systems L.P. is the Wixom, Michigan arm of the EJOT Group, a fastening-technology maker whose history goes back to the early twentieth century. For roofing, its US site offers fasteners, stress plates and tools for attaching insulation and waterproofing membrane to flat and slightly sloping roofs, including the EJOT Dabo self-drilling roof screws, the flat roof profile FP rail and flat roofing anchors, plus an imperial "Flat Roof Portfolio" of FRS roofing fasteners and RO plates for steel or wood decks. The site prints two Wixom street addresses for the same company: 46953 Liberty Drive in its page footer and 48679 Alpha Drive, Suite 110 in its imprint.
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Elastochem Specialty Chemicals Inc.
Elastochem Specialty Chemicals Inc. is a privately owned Canadian company based in Brantford, Ontario, founded in 1987, that develops and manufactures polyurethane and epoxy-based materials in its Brantford facility. Its building enclosure divisions make Insulthane spray polyurethane foam and Hygrothane polyurea waterproofing membranes. Roofing products include Insulthane 300R closed-cell roofing foam and the SwiftSeal SRC300 silicone and SwiftSeal AC100 acrylic roof coatings.
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Englert
A manufacturer of metal roofing systems, seamless gutters, and on-site roll-forming equipment, best known for standing-seam metal roof panels. Headquartered in Perth Amboy, New Jersey.
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Enviroshake
A manufacturer of composite roofing tiles that replicate natural cedar shake, cedar shingle, and slate, sold under the Enviroshake, Enviroslate, and Enviroshingle product lines. Founded in 1998, the company manufactures from a proprietary blend of polymers reinforced with natural fibres and elastomers, using 95% post-industrial recycled materials.
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EPDM Coatings
EPDM Coatings LLC makes liquid roof coatings and sealants, and says it has focused on custom manufacturing of roofing sealants for over 30 years and that its products have always been made in the USA. Its roof coating lines include Butyl Liquid Rubber, EPDM Silicone 100%, Superior Coat Premium Acrylic and TPO Base Coat. It lists a North East sales office in Shelton, Connecticut and a Mid West office in Urbandale, Iowa, and sells to consumers, contractors, roofers and building owners.
- Manufacturer
Epilay
A manufacturer of woven and non-woven technical textiles for the building industry, including the Epistik line of self-adhered peel-and-stick roofing underlayments and the ProtecTite line of synthetic roofing underlayments, headquartered in Carson, California, with over 30 years in the polymer industry.
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Euroshield Roofing
A manufacturer of recycled-rubber roofing products made primarily from recycled tire rubber, with about 95% recycled content. All Euroshield rubber roofs carry the highest UL 2218 Class 4 impact rating. Manufactured by G.E.M. Inc. in Calgary, Alberta, Canada.
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Everest Systems
A Houston, Texas manufacturer of elastomeric roof coatings and sealants for commercial roofing, making acrylic, silicone (sold as Silkoxy), PVDF and urethane coatings, primers, sealants, repair products and spray polyurethane foam, installed through a network of approved commercial contractors. The company states it has over 30 years of experience in the coatings industry and that its acrylic and silicone liquid-applied membranes are designed for warranty periods of up to 20 years. Its site and data sheets give its address as 16601 Central Green Blvd., Suite 100, Houston, Texas.
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Evergreen Slate Company
A producer and supplier of natural Vermont roofing slate since 1916, sourcing from approximately two dozen quarries and offering a broad range of natural colors, sizes, textures, and pre-selected color blends for roofing, evaluated to applicable ASTM testing standards.
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Everlast Roofing
Everlast Roofing, Inc. is a Pennsylvania manufacturer of light-gauge steel and aluminum roofing and siding panels, trim and accessories for residential, post-frame, commercial and agricultural buildings, sold through distributors. Its history page says it incorporated in 1996, ran its first panels in Ephrata, Pennsylvania in 1997 and later moved to Lebanon, Pennsylvania; it lists locations in Lebanon, Pennsylvania; Howe, Indiana; Orwell, Ohio and Bridgton, Maine. Its panel range includes the Everlast II and Everdrain exposed-fastener panels, PBR, the aluminum Twin Rib, and the Everloc and Everseam concealed-fastener panels.
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Everroof
Everroof is a US maker of roof coatings that says it historically manufactured products under private label before selling under its own brand, at five manufacturing facilities in California and Texas. Its catalog covers Ever-Crylic acrylic, Ever-Silic silicone and Ever-Thane urethane roof coatings, liquid flashings and a range of roof coating primers. The site states that Everroof is part of the American Polymers Network of Companies.
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ExSteel Building Components
ExSteel Building Components is a manufacturer of steel building components based in Aylmer, Ontario, and part of Ardent Industries, the family-owned group that also includes Steelway Building Systems. Since 2004 it has manufactured cold-formed structural sections, steel roof and floor decking, steel roof and wall cladding, trims and flashings, and roofing retrofit systems for projects across North America. Its roof panels include the StormSeal, StrucSeal, VersaSeal and DiamondSeal exposed-fastener profiles and the RTL-24 standing seam roof system.
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F-Wave
A manufacturer of REVIA premium synthetic residential roofing shingles made from a commercial-grade polymer with no asphalt and no granules, in single-piece construction. Lines include Designer Slate, Classic Slate, and Hand-Split Shake, all Class 4 hail rated and Class A fire rated with a 50-year WeatherForce Advantage Warranty.
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Fabral
A maker of metal roofing and wall panel systems for architectural, commercial, industrial, residential and agricultural buildings. Its About page states the company was founded in 1967 and describes it as a supplier of metal post-frame materials and metal cladding. Its contact page lists plants in Lancaster, Pennsylvania, Jackson, Georgia and Ft. Worth, Texas, and its product listings name further manufacturing locations in Gridley, Illinois, Marshfield, Wisconsin, Salt Lake City, Utah, Spokane, Washington and St. Joseph, Minnesota. Its roof line runs from mechanically seamed structural standing seam (Stand 'N Seam, PowerSeam II, IP Seam) and snap-lock panels (Horizon S100, 1 1/2 inch SSR 150) to exposed-fastener rib panels (Grandrib 3, FabRib).
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FAKRO America LLC
The United States arm of FAKRO, a roof window maker that co-founder and president Ryszard Florek started in Poland in 1991 and that now describes 11 manufacturing companies worldwide, 17 distribution companies including one in the USA, and roughly a 15% share of the global roof window market. Its US range covers deck-mounted and curb-mounted residential skylights (fixed, manual, electric and solar venting), triple-glazed PDX and PDS skylights, flat roof skylights, a flat roof access skylight and metal hatch, a walkable skylight, roof windows, an egress roof access window and factory-made aluminum flashings, alongside attic ladders. FAKRO America LLC issues the US skylight warranty from 39 West Factory Road, Addison, Illinois.
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Flex Membrane International
A thermoplastic single-ply roofing manufacturer trading as Flex Roofing Systems, established in 1990 per its own About page, which says it pioneered modified PVC single-ply membranes incorporating DuPont Elvaloy KEE. It markets three membrane systems, Flex Elvaloy (KEE), Flex PVC and Flex TPO, with accessories, adhesives and fasteners, installed through certified installers. Its data sheets give its address as 5103A Pottsville Pike, Reading, Pennsylvania.
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FlexxPoint Gutter Covers
A family-owned maker of FlowGuard aluminum gutter covers that sells direct to contractors and homeowners. Its home page says every FlowGuard cover is made in-house at its facility in Huron, Ohio, that the company was founded by a Vietnam veteran and that its covers are on more than 250,000 homes; its About page dates the company to 2010, when the founder and his sons rebuilt a 1945 surplus machine to produce the first covers, and says it now runs four CNC-controlled production lines. The line covers 5 inch residential, 5 inch high clearance, 6 inch commercial and universal slip under shingle profiles, each backed by a 50-year material and workmanship warranty.
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Forma Steel
Forma Steel is a family-owned manufacturer of steel roofing, siding and trim in Fort Macleod, Alberta, founded in 1992 as a sister company of Structural Truss Systems. It rollforms exposed-fastener roof and wall panels (FC-36, I/9, FR and 7/8 inch corrugated) and concealed-fastener standing seam panels (FormaLoc, Nail Strip, Mechanical Loc and ClipLoc), along with trim, soffit and cladding. It also sells Wakefield Bridge steel shingles, which are manufactured by Ideal Roofing Company Limited.
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Fry Reglet Corporation
A manufacturer, founded on its namesake SPRINGLOK reglet-and-flashing system, of roll-formed reglet and counter-flashing systems for parapet-wall moisture protection on low-slope roofs, along with architectural metal trim, column covers and wall panel systems. Its reglet and flashing line is manufactured for stucco, masonry, poured-in-place concrete and surface-mounted substrates and is tested to ASTM D3161 wind-uplift resistance.
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G&R Cedar
A cedar shake and shingle mill founded in September 1980 on the edge of the Fraser River at Matsqui, British Columbia, which grew from one machine to ten by 2003 and added a Chilliwack location where it makes sidewall shingles. It sells its roofing and sidewall shakes and shingles under the Choice brand, cut from old-growth Western Red Cedar and Alaskan Yellow Cedar, and keeps a US mailing address in Sumas, Washington.
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Gaco
A manufacturer of liquid-applied silicone, acrylic, and urethane roof coatings, sprayed polyurethane foam (SPF) roofing, and waterproofing and decking systems, marketed under the GacoRoof and GacoFlex brand names. Gaco's own site states it began "70+ years ago." It is now part of Amrize Building Envelope LLC, the North American building-envelope business Holcim spun off as the independent, publicly traded company Amrize in June 2025; Gaco warranty documents are issued in Amrize Building Envelope LLC's name from its Nashville, Tennessee address.
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GAF
North America's largest roofing manufacturer, producing residential asphalt shingles and commercial low-slope systems. A Standard Industries company.
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Gallina USA
Gallina USA is a polycarbonate sheet and panel extruder based in Janesville, Wisconsin. It states that it produces its PoliCarb multiwall sheets and arcoPlus modular multiwall panels in the USA and cites over 50 years of experience extruding polycarbonate. Its arcoPlus and PoliCarb lines are marketed for skylighting, canopies, translucent roofing and vertical glazing.
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Gardner-Gibson
A manufacturer of asphalt-based, rubberized, and siliconized-acrylic liquid-applied roof coatings, roof cements, and underlayments, sold under the Gardner and Sta-Kool brand names. Its product data sheets list its address as Gardner-Gibson, P.O. Box 5449, Tampa, Florida 33675-5449, which matches its own site's contact footer.
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The Garland Company
An employee-owned manufacturer of built-up, modified bitumen, single-ply and metal roofing systems and coatings, founded in 1895 as Garland Refining Company and renamed The Garland Company, Inc. under Ohio law in 1914. Garland introduced StressPly in 1980 as the first high-performance modified bitumen roofing system manufactured in North America and has operated from its Cleveland, Ohio plant since 1919.
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General Coatings Manufacturing Corp.
General Coatings Manufacturing Corp. is a family-owned US company that manufactures spray foam, roof coatings and primers in Texas and California, with facilities in Santa Fe Springs, CA, Arlington, TX and Fresno, CA. Its roofing lines are Ultra-Thane spray polyurethane roofing foam, Ultra-Flex acrylic, Ultra-Guard silicone, Ultra-Shield urethane and Ultra-Tuff polyurea roof coatings, and Ultra-Bond primers.
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GenFlex Roofing Systems
A manufacturer of TPO and EPDM single-ply roofing membranes plus modified-bitumen (APP and SBS) products for commercial low-slope roofs, founded in 1981 in Maumee, Ohio, as one of the first dedicated single-ply roofing manufacturers. GenFlex is now part of the Amrize family of building-envelope brands.
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Geocel
A maker of construction and repair sealants, founded in 1974, whose range includes roofing sealants, brushable leak-repair coatings, a wet-surface roof cement, metal roof sealants, a penetration pocket system and aerosol roof accessory paint, alongside general construction, RV and trailer sealants. Its contact page names it Geocel Products Group, a business unit of The Sherwin-Williams Company, at 2504 Marina Drive, Elkhart, Indiana, while its product data sheets give Geocel Products Group, Cleveland, Ohio. Its about page says it was the first U.S.-based sealant manufacturer to receive ISO 9001 registration.
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Georgia-Pacific Gypsum
The Georgia-Pacific building products business that makes the DensDeck portfolio of gypsum roof boards for commercial low-slope roofing, used as cover boards, thermal barriers, substrate boards and recovery boards: the DensDeck Roof Board, DensDeck Prime Roof Board, DensDeck StormX Prime Roof Board and DensDeck ProFast Prime Roof Board. Georgia-Pacific, headquartered in Atlanta, Georgia, describes itself as part of Koch Industries.
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Gladding McBean
A manufacturer of clay roofing tile, architectural terra cotta, floor tile, and vitrified clay pipe, founded May 12, 1874 in Lincoln, California, where it still manufactures today from company-owned clay and shale reserves. Now operates as a division of Pacific Coast Building Products, under the name Gladding, McBean, LLC; its own IAPMO evaluation report identifies it as a division of Basalite Building Products, LLC.
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Glendyne
A slate quarrier and manufacturer at Saint-Marc-du-Lac-Long, Quebec, which describes its deposit as the largest slate quarry in North America. The deposit was found during construction of the Transcontinental Railway in the early 20th century, worked briefly by Europeans until the First World War, and brought back into operation in 1995 by a group of local entrepreneurs. Glendyne extracts slate blocks, processes them in its nearby plant into roofing slate and decorative slate, and sells through distributors.
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GPI Gutter Products
A designer, manufacturer and distributor of gutter protection systems and accessories based at 3636 N. 222nd Street in Elkhorn, Nebraska. Its brands page groups the portfolio into hooded covers (LeaFree, Leaf Sentry, Leafproof, LeafX), micro-mesh inserts (Grizzly, Aqua Armor), drop-in inserts (Bulldog, GutterRx, Leaf Exterminator), expanded-metal screens (K-Screen, Zip Screen), the Boss Hanger J2 gutter hanger, the Zip Hinge downspout hinge and the Zip Channel mounting channel; Leaf Sentry, Grizzly, Bulldog and K-Screen are sold only through Lansing Building Products. The home page dates the company to 2005, and its site footer states that its products meet Class A fire performance under ASTM standards without naming the test.
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Green Tree Metals
Green Tree Metals is a Georgia supplier of metal roofing and siding with locations in Hartwell and Winterville, and states that it manufactures its metal roofing and siding in Georgia. It produces exposed-fastener panels (5V Crimp, Tuff-Rib and R Panel/PBR), Cortex Board & Batten, and the Hemloc family of standing seam panels, custom cut to the inch. It also runs an in-house shop that fabricates custom trim.
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GreenGrid Roofs
The maker of the GreenGrid modular green roof system: pre-grown 2 ft x 2 ft vegetated modules in 2.75 in, 4 in, 6 in and 8 in depths that can be mixed on one roof, plus a built-in-place layered green roof system and edging, paver and mineral wool accessories. Its About page says the system was developed by Weston Solutions, Inc. in partnership with ABC Supply in 2001, that it has millions of square feet installed across North America, and that its team offers services from plan review and quoting through pre-growth, delivery, contractor supervision and maintenance, working with waterproofing partners on warranties.
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Greenstone Slate Company
A third-generation, Hill family quarrier and manufacturer of Vermont roofing slate, with quarries and facilities operating in Vermont and New York State. Ernest I. Hill began production at a Poultney, Vermont quarry in 1955; the business was incorporated in 1980 as Quarry Slate Industries and later renamed Greenstone Slate Company, and it has since acquired the Penrhyn Hill quarries in Middle Granville, New York and the Briar Hill Quarries. It manufactures roofing slate in its Poultney facilities and states that all of its slate colors meet the S1 grade of ASTM C406.
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Gulf Coast Supply & Manufacturing
Gulf Coast Supply & Manufacturing is a metal roofing manufacturer that started in 1996 in Horseshoe Beach, Florida, and has its corporate headquarters in Newberry, Florida. It operates four manufacturing locations across Florida, Alabama and South Carolina. Its product catalog lists nine metal roof panel profiles: the GulfLok, GulfSeam, GulfSnap, VersaLoc and MegaLoc concealed-fastener (standing seam) panels and the GulfRib, 5V Crimp, GulfPBR and GulfWave exposed-fastener panels, with trim and accessories.
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GutterBrush
The family business behind GutterBrush, a cylindrical bristle brush that fills the gutter trough so leaves and debris sit on top while water flows through. Its About page says father and son Bob and Randy Schreiber developed the idea after an old brush left in a cabin gutter in Pennsylvania's Allegheny National Forest kept that stretch clear, and that the product was introduced in May 2004 in Ohio and Rhode Island before spreading to contractors and retailers. Its guarantee page says all GutterBrush is made in the USA, ships from a distribution facility in Massachusetts, and carries a 10-year material and workmanship guarantee.
- Manufacturer
Gutterglove
A manufacturer of stainless-steel micro-mesh and all-aluminum gutter guards, incorporated in 2000 after growing out of a Northern California gutter-cleaning business founded in 1996. Gutterglove states its products are engineered, tested and manufactured in Franklin, Tennessee, and that it holds a patented portfolio of gutter-guard technologies (V-Bend, Z-Bend and RiserStep) supplying its own brand and a family of retail-exclusive brands.
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Henry Company
A North American manufacturer of building envelope products, including roofing underlayments, roof coatings, mastics/cements, waterproofing, and air/vapor barriers. Henry has been an industry leader in building products since 1933 and became a Carlisle Companies brand in 2021, now operating as the flagship brand within Carlisle Weather Technologies (CWT).
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Hilltop Slate
A quarrier and producer of natural slate for roofing and architectural applications, established in 1948, which owns and operates its own quarries in New York and Vermont and machines raw slate into finished products in its own manufacturing facilities. Besides roofing slate it produces slate tiles for flooring, paving and landscaping, and it sells across the United States and to the UK, Ireland, Europe and Australia. Its main office is in Middle Granville, New York.
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Elevate
A manufacturer of commercial low-slope roofing and building envelope systems, including RubberGard EPDM and UltraPly TPO. Formerly Firestone Building Products; became "Elevate," the premier commercial brand of the Holcim Building Envelope division, in 2022. Holcim spun off its North American business as an independent, publicly traded company named Amrize in June 2025, and Elevate's homepage now states it is "Now Part of Amrize" and that, "Under Amrize, our Elevate brand will continue delivering the trusted products and services you know and rely on." The legacy holcimelevate.com domain no longer resolves; the live site is elevatecommercialbp.com.
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Huber Engineered Woods
An engineered-wood panel maker, part of the family-owned J.M. Huber Corporation (founded in 1883), with customer support at 10925 David Taylor Drive in Charlotte, North Carolina. It makes ZIP System sheathing and tapes, AdvanTech subflooring and sheathing and EXACOR magnesium oxide panels; its roof lines are ZIP System roof sheathing, with an integrated water-resistive layer and optional radiant barrier, taped at the seams to form a sealed roof deck, and AdvanTech roof and wall sheathing.
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Hunter Panels
A manufacturer of polyisocyanurate (polyiso) insulation for roof and wall applications, including roof insulation boards, high-density cover boards, nail base and vented nail base composite panels and tapered insulation, with wall products sold as Hunter Xci. Its About Us page states it has led in thermally efficient polyiso insulation since 1997, is headquartered in Portland, Maine, and makes product at eight facilities in New York, Illinois, Missouri, Florida, Texas, Utah, Washington and Pennsylvania; the site footer gives 15 Franklin Street, Portland, Maine. The company states its products contain no HFCs, CFCs or HCFCs.
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Hy-Tech Thermal Solutions
Hy-Tech Thermal Solutions, LLC makes insulating paints, coatings and ceramic microsphere additives for paint, and states that its products are manufactured and distributed in East Central Florida. Its technical data sheets give its headquarters as 159 Park Hill Blvd., West Melbourne, Florida. Its roof products include Roof Guard #2050, an acrylic/urethane elastomeric roof coating, and the Bond-It #SR1220 primer it specifies under that coating.
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IB Roof Systems
A manufacturer of PVC and TPO single-ply commercial roofing membranes, coatings and accessories, making PVC membranes for over four decades and offering both a standard PVC line and a ChemGuard KEE-blended PVC line targeted at chemical-exposure applications such as industrial and restaurant roofs.
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Ideal Roofing
Ideal Roofing is a family-owned manufacturer of steel roofing and siding founded in Ottawa, Ontario in 1929, with its head office in Ottawa, manufacturing facilities in Brampton, Ontario and Moncton, New Brunswick, and a regional office in Quebec City. It roll-forms exposed-fastener and concealed-fastener steel roof panels and presses Wakefield Bridge steel shingles and Monteciano steel roofing tiles, along with siding, steel deck and trim. The company states it serves clients across Canada and the United States.
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IKO
A family-owned multinational manufacturer of asphalt shingles and commercial low-slope roofing, known for the Dynasty and Cambridge shingle lines.
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IMETCO
IMETCO (Innovative Metals Company) is a Georgia manufacturer of architectural and structural metal roof and wall cladding, coping and fascia, rainscreen and roof deck systems. Its anniversary page dates the company to 1994, when it was formed from the architectural metal division of MM Systems, Inc., and records later acquisitions including Merchant & Evans, Inc. in 2021, which brought the ZIP-RIB standing seam system and a plant in Burlington, New Jersey. Its contact page lists headquarters in Norcross, Georgia and plants in McClellan, California and Burlington, New Jersey.
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Imperial Shake Co.
A Western Red Cedar shake and shingle sawmill established in 1998, which moved in 2006 to its current, modernized facility at Maple Ridge, British Columbia. It manufactures handsplit and resawn shakes, tapersawn shakes, sawn shingles, hip and ridge caps and sidewall shingles, offers kiln drying, CCA preservative treatment and fire-retardant treatment, and states its production is overseen by in-house quality controllers and third-party inspectors to UBC 15-3, UBC 15-4, CSA0118.1-08 and CSSB-97. Its products are PEFC chain-of-custody certified (PEFC/26-31-19).
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Inland Coatings
A manufacturer of fluid-applied roof coating systems in four chemistries, SEBS thermoplastic rubber, silicone, polyurethane and acrylic, along with mastics, sealants, primers, cleaners and accessories for commercial roof repair and restoration. Its about page says it has made coatings since 1978 and describes itself as serving the country from the heartland of Iowa, while the contact address printed in its site footer and on its technical data sheets is 1320 Litton Drive, Salisbury, North Carolina. Its data sheets carry the name Inland Coatings, Inc.
- Manufacturer
Interlock Metal Roofing
A family-owned maker of lifetime aluminum metal roofing systems, in business since 1998, with Interlock Roofing Ltd. based in Delta, British Columbia, and quotes and installation handled by local Interlock installers across North America. Its homepage advertises UL 2218 Class 4 impact resistance and a lifetime limited, 50-year transferable warranty, and it sells aluminum Slate, Cedar Shingle, Shake, Mediterranean Tile and Standing Seam profiles, with solid copper also available.
- Manufacturer
Intertape Polymer Group
A packaging and protective-solutions manufacturer headquartered in Sarasota, Florida, which develops, manufactures and sells pressure-sensitive and water-activated tapes, stretch and shrink films, protective packaging, woven and non-woven products and packaging machinery. Its ECP division markets steep-slope roof underlayments under two lines: the NovaSeal mechanically attached synthetics and the Palisade synthetic and self-adhered underlayments, the latter carrying its Stronghold Skid Resistant Technology walking surface.
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IPS Corporation
A Collierville, Tennessee manufacturer of solvent cements and primers, rough plumbing products, and roofing products, selling roofing accessories under its Water-Tite and IPS Roofing Products brands. Its Water-Tite division acquired the Perma-Boot roof vent flashing line from Manning Building Products LLC in 2025 (announcement dated August 22, 2025).
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Isaiah Industries
A manufacturer of residential metal roofing, including aluminum and steel shingles and standing seam systems, founded in 1980. Its brands include Classic Metal Roofing Systems, Kassel & Irons, and Green American Home.
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ITW Buildex
ITW Buildex, established in 1967, is a division of Illinois Tool Works Inc. manufacturing Teks self-drilling screws, Dektite pipe flashings, and related fastening products for the commercial construction industry, including screws purpose-built for attaching metal roof panels and roof clips and for weather-tight sealing of roof and wall penetrations, with a proprietary Climaseal corrosion-resistant coating. It operates today as part of ITW Commercial Construction, alongside the Red Head anchoring and Ramset fastening brands, with manufacturing and distribution centers in Roselle, Itasca, and Elgin, Illinois.
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Jay R. Smith Mfg. Co.
A maker of engineered plumbing and drainage products, in business since 1926, whose roof drain range includes general purpose and adjustable roof drains, combined roof and overflow drains, scupper drains, siphonic roof drains and green roof drains, alongside floor drains, fixture supports and other plumbing specialties that are not roof products. It states it moved from New Jersey to Montgomery, Alabama in the late 1970s and is a member of Morris Group International.
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Johns Manville
A Denver-based manufacturer of commercial and industrial roofing systems, insulation, and engineered products, and a leading full-line supplier of low-slope roofing membranes in North America. A Berkshire Hathaway company.
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Kalwall Corporation
A Manchester, New Hampshire maker of insulated, translucent fiberglass-reinforced polymer sandwich panels, which it states it manufactures at its factory headquarters there. Its roof daylighting products are skylights (S-Lines, Pyramids and Geo-Roofs) and skyroofs (pre-engineered and custom), and it also makes translucent wall systems and canopies. The company was founded by Robert R. Keller, Sr., and names Structures Unlimited, Inc. as a strategic partner for single-source clearspan skyroof structures.
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Karnak Corporation
A family-owned manufacturer of roof coatings, cements, sealants, and other waterproofing and building-envelope repair products for commercial low-slope roofing, founded in 1933 and headquartered in Clark, New Jersey.
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Karp Associates, Inc.
Karp Associates, Inc. is an access door manufacturer based in Melville, New York, that makes access doors for walls and ceilings, floor doors and roof hatches. The company states it manufactures 100% of its products in the United States and finishes them with an EPA approved electrostatic powder paint system. Its roof access products are the KRHG galvanized and KRHA aluminum roof hatches.
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Kemper System America
The North American arm of Kemper System, a German maker of cold liquid-applied, fleece-reinforced waterproofing, roofing and surfacing membranes sold under the KEMPEROL brand, including polyurethane, PMMA and hybrid acrylic roof resins and coatings. Its corporate history states the group was founded in Vellmar, Germany in 1957, that its first international subsidiary, Kemper System, Inc., was established in the USA in 1990, that Kemper System America, Inc. started production in West Seneca, New York in 2010, and that it acquired STS Coatings, Inc. in 2017. Its technical data sheets give its address as 1200 North America Drive, West Seneca, New York.
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Kennedy Skylights
A Sanford, Florida manufacturer of residential skylights and solar ventilation: self-flashing and curb-mount glass skylights, self-flashing and curb-mount polycarbonate skylights, K Series tubular skylights for pitched, flat and curb-mounted roofs, roof, curb and gable mount solar attic fans, and pre-built aluminum skylight curbs. The company says the Kennedy brand has made traditional skylights since 1964, that it has manufacturing facilities in Florida and Arizona, that its glass and polycarbonate skylights are made in America, and that most of its products carry Florida Building Code approval, with four skylight models also holding Miami-Dade Notices of Acceptance.
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Kingspan Insulated Panels
Kingspan Insulated Panels is the North American insulated metal panel business of the Kingspan group, headquartered in DeLand, Florida. Its US catalog covers insulated panel systems for roofs and walls, architectural panel and facade systems, and controlled-environment panels. Its insulated roof panels are the KingRib trapezoidal and KingSeam standing seam systems, both with PIR insulation cores.
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Kingspan Insulation LLC
Kingspan Insulation LLC is the North American rigid insulation business of the Kingspan group, based in Atlanta, Georgia. Its published US catalog includes roof insulation and roof cover boards such as the AEROROOF EPS boards, the GreenGuard roofing cover boards and protected-membrane XPS boards, and the OPTIM-R vacuum insulation panels.
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Kingspan Light + Air
The North American daylighting and natural ventilation business of the Kingspan group, headquartered in Lake Forest, Illinois, with Solatube as a brand partner. It makes custom skylight systems (QuadSpan polycarbonate, GridSpan FRP, KlearSky glass and Continuous Vault acrylic), Series 1100 to 2200 unit skylights, smoke vents, roof safety products, translucent wall systems and canopies, and states that its North American products are manufactured in the USA.
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Kirsch Building Products
Kirsch Building Products, LLC is the maker of the Sharkskin family of mechanically-attached and self-adhered synthetic roof underlayments, woven-polypropylene sheets developed in California beginning in 2001 as a replacement for asphalt-saturated felt under concrete/clay tile, metal, slate and asphalt shingle roofing. Its products are named report subjects on ICC-ES ESR-1708 ("Kirsch Building Products, LLC") and carry Miami-Dade NOA and Florida Building Code product approvals for use in the High Velocity Hurricane Zone. The company markets under the Sharkskin brand and states its underlayments are manufactured in the USA.
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Klauer Manufacturing Company
A Dubuque, Iowa manufacturer of residential flashing, roof edge, siding and rainware products, offering what it calls the most complete line of residential flashing in the industry in both steel and aluminum, including roof edges, drip edges, gutter aprons, gravel stops, reglet and counter flashing, angle flashing, kick-out flashing, and formed and roll valley metal.
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Kool Seal
A manufacturer of reflective acrylic elastomeric, 100% silicone, and asphalt-aluminum roof coatings, plus roof basecoats, primers, patch cements, and repair tapes, sold under the Kool Seal brand. Its own history page traces the brand to 1906 (Acorn & Refining, later renamed KST) with the Kool Seal brand introduced in 1920, and states KST Coatings was acquired by Sherwin-Williams in 2005; its contact page lists its address as 1 Sherwin Way, Cleveland, Ohio, the Sherwin-Williams headquarters address.
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La Escandella
A Spanish maker of ceramic clay roof tile, roof accessories and tile-integrated photovoltaic systems, operating as Cerámica La Escandella S.A. in Agost, Alicante. In the United States its Planum, Selectum, Curved and Mixed Large S tiles are sold through Santafé Tile Corporation, and Miami-Dade County Notices of Acceptance name Agost as the place of manufacture.
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Lane-Aire Manufacturing Corp.
Lane-Aire Manufacturing Corp. is a manufacturer based in Corona, California that produces domed skylights, architectural glass skylights, roof hatches, smoke vents and flashings for commercial, industrial and residential buildings. Its site states it has made these products since 1963 and that they are manufactured and assembled in the United States.
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Leland Industries
Leland Industries Inc. is a privately held Canadian manufacturer of bolts, nuts and screws, founded in 1984 in Markham, Ontario, whose metal-roofing and post-frame lines include Master Grippers metal-to-wood screws, Master Drillers self-drilling screws, Master One Steppers thermal expansion fasteners and Colormate nylon-headed fasteners. The company states that its manufacturing plant and head office are in Toronto, Ontario, and that it runs sales branches and warehouses in Canada and the United States, including an office and warehouse in Tulsa, Oklahoma.
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Lifetime Tool & Building Products, LLC
A Winchester, Virginia manufacturer of proprietary roofing accessories, best known for the Ultimate Pipe Flashing compression-seal pipe boot. The product line has expanded to include pipe flashing accessories, snow guards, and the Ultimate Bath/Dryer Vent.
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LiveRoof
A maker of pre-vegetated hybrid green roof modules and green roof accessories, including RoofStone integrated pavers, RoofEdge aluminum edge restraint, RoofBlue stormwater retention and detention risers and the WindDisc module connector. LiveRoof describes itself as a division of Hortech, Inc., and states that LiveRoof Global, LLC was formed in 2006. Its modules are grown to maturity by a network of licensed growers in the United States, Canada, Mexico and New Zealand, and it states that its plastic modules, concrete pavers and aluminum edging are manufactured in the United States. The company says its systems are compatible with most waterproofing membranes rather than supplying a membrane of its own.
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LMCurbs
LMCurbs is a supplier of metal building and metal roofing accessories based at 827 Fisher Rd. in Longview, Texas. Its product lines include roof curbs, snow retention, roof walks, louvers, exhaust fans and solar mounts, along with roof hatches, smoke vents and skylights that mount on its own roof curbs. It also sells S-5! attachment products for standing seam, exposed-fastened, trapezoidal and corrugated metal roofs.
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Lomanco, Inc.
A manufacturer of residential and light-commercial attic and crawlspace ventilation products, including static roof (box/turtle) vents, ridge vents, power ventilators, gable vents, and turbines. Its main manufacturing facility is centrally located in Jacksonville, Arkansas, with a second plant in Kingman, Arizona.
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LP Building Solutions
The building-products brand of Louisiana-Pacific Corporation, headquartered in Nashville, Tennessee, with siding and OSB mills across North and South America. Its roof-deck products are OSB sheathing panels: LP TechShield radiant barrier sheathing, LP WeatherLogic air and water barrier panels for roofs and walls, and the LP SilverTech Premium and Everyday Series radiant- barrier roof sheathing for sheds, alongside LP SmartSide siding, fire-rated and fire-retardant-treated sheathing and subflooring.
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Ludowici Roof Tile
An American manufacturer of architectural terracotta clay roof tile, floor tile, and wall cladding, made in New Lexington, Ohio. Known for long-life, handcrafted clay tile used on landmark buildings. Its roots trace to the 1888 Celadon Terra Cotta Company.
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Luma Solar
A maker of building-integrated solar roofing that pairs 100-watt solar shingles with non-solar metal shingles in a single roof system installed like conventional metal roofing. Luma Solar says it developed the first fully integrated solar rooftop shingle system in North America, that its shingles are designed by roofing experts with more than 50 years of installation experience, and that its system is the only upgradeable solar shingle system. Its home page quotes press coverage naming Robert and Gary Allen as its founders, and its About page points readers to Allen Brothers Inc. under the heading Developed by Roofing Experts. Its product flyer is issued by Luma Resources, LLC of Rochester Hills, Michigan, and systems are installed through a network of certified installers.
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MAC Metal Architectural
MAC Metal Architectural designs and manufactures pre-painted steel siding and roofing profiles in Quebec, with its address at 5975 chemin de la Savane in Saint-Hubert. Its roofing lines are concealed-fastener vertical steel profiles (MS 1 and MS 2, MS 1 Modular, MS 3 and MS 4, and MS Authentic) that are also used as wall cladding. The Bill S-211 report published on its site names Mac Architectural Metals Inc. in a joint statement with Cornerstone Building Brands Canada Inc., a wholly owned subsidiary of Cornerstone Building Brands Inc.
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Malarkey Roofing Products
A family-owned asphalt shingle manufacturer that pioneered polymer-modified (SBS rubberized) asphalt and NEX smog-reducing granule technology in residential shingles.
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Marathon Roofing Products
An Orchard Park, New York maker and distributor of commercial roof drains, roof vents, roofing equipment and accessories, and adjustable paver pedestals. It was started in Buffalo in 1966 as a small-scale manufacturer of copper drains and moved to a 30,000 square foot facility in Orchard Park in 2008. Its drain line covers spun-aluminum, copper and stainless steel retrofit drains installed from the roof surface, PVC and cast iron new-installation drains, and scupper drains; the company describes itself as privately held.
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Marco Skylights
Marco Skylights is a family-owned skylight manufacturer at 6135 Northdale, Houston, Texas, which states it has been in business since 1969 and also trades as Marco Plastics. It builds custom-size curb-mount and self-flashing skylights with aluminum frames and acrylic, impact modified acrylic, polycarbonate, multiwall polycarbonate or Low E insulating glass glazing, in dome, pyramid, flat and specialty shapes, and makes replacement domes. It states it ships across the continental United States.
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Maxim Skylights
Maxim Skylights (Maxim Industries, Inc.) manufactures aluminum-framed unit skylights at its plant at 201 Longhorn Drive, Fort Worth, Texas, and runs a Florida distribution center in Lake Worth. The company states it was started in 2003 to meet the Florida Building Code's impact and wind requirements. Its roof skylights are curb-mount and self-flashing units glazed with polycarbonate or impact-modified acrylic double domes and pyramids, dome-over-multiwall polycarbonate, or impact-resistant laminated insulated glass, carrying Miami-Dade NOA, Florida Product Approval and Texas Department of Insurance approvals, with blast-rated and custom circular, polygon and tandem versions.
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Mayco Industries
A Birmingham, Alabama maker of lead products, founded in 1938, whose processes include casting, rolling, machining, extruding and coating and which says it supplies only U.S.-produced material. Its roofing and plumbing lines include lead roof flashings (multi-pitch, custom, tile and MayCoat polymer-coated), Auto Caulk and Neo-poly pipe flashings, sheet lead squares and rolls, lead wool and solder, alongside radiation shielding, ballast and ammunition products. The about page describes a lead alloy mill in Birmingham and a shot tower in Granite City, Illinois, and gives two counts of its sites: two manufacturing facilities and four distribution centers in one passage, three manufacturing plants and five distribution centers in another. Santa Rosa Lead Products, a wholesaler of roof flashings, is named as a sister company.
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Maze Nails
A manufacturer of hot-dip galvanized and stainless steel nails, including the STORMGUARD double hot-dipped galvanized roofing nail line for asphalt and fiberglass shingle applications, manufactured at its plant in Peru, Illinois.
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MBCI
A manufacturer of metal roof and wall panels whose own locations page lists Houston, Texas as its main office, and whose home page states that it has supplied metal roof and wall products since 1976. Its site footer identifies it as part of Cornerstone Building Brands, Inc. Its metal roofing line spans exposed-fastener panels (PBR, PBU, 5V Crimp) and standing seam panels (Double-Lok, BattenLok HS), manufactured at plants across the United States.
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MBTechnology
A Fresno, California manufacturer of SBS modified bitumen roofing and underlayment systems for residential and commercial application, founded in 1983. Its lines include the foil-surfaced MetalflexSBS cap sheet, the FastorchSBS, FireguardSBS, SupercapSBS and Ecotorch torch and cap membranes, LayflatSBS and LayfastSBS base sheets, Selfstick SA Cap and the Ice & Moisture Block SBS self-adhered underlayments, applied by cold adhesive, heat welding, hot asphalt or self-adhesion. Its website states that MBTechnology is now a part of Henry, a Carlisle company.
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MCA Clay Roof Tile
MCA (Maruhachi Ceramics of America, Inc.) makes clay roof tile from its corporate office in Corona, California, citing nearly a century of experience behind the MCA label. Its standard profiles include One Piece "S" Mission, Classic "S" Mission, Straight Barrel Mission, Corona and Classic Tapered Mission, Roman Pan, Turret Tile, Oriental-Japanese, MF108 Flat and Improved "S", offered in Natural Red terra cotta and flashed or glazed colors, with lead-free colors and a 50-year limited warranty available on all MCA tiles.
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McElroy Metal
An employee-owned (ESOP) manufacturer of metal roofing and wall systems, including standing seam and exposed-fastener panels, founded in 1963.
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Metacrylics
A California maker of acrylic and silicone roof coating systems for restoring commercial roofs, selling top coats, base coats, primers, acrylic and silicone gels for liquid flashing, polyester reinforcing fabrics and tile and walkway sealers through distributors nationwide. Its home page says it has made roof coatings in America since 1976, and its technical data sheets give its address as 365 Obata Court, Gilroy, California.
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Metal America
Metal America is a family-owned steel coil processing facility and maker of metal roofing and siding, founded by brothers Shawn and Justin Sternberg, with locations in Post Falls, Idaho and Spokane Valley, Washington. It states that it rolls steel at its Post Falls facility and that all of its panels and trim are manufactured there. Its roof panels include concealed-fastener standing seam profiles (QuickLoc, 1.5 and 1.75 inch Snap Lock, Mechanically Seamed) and exposed-fastener profiles (Tuff Rib, PBR, 7/8 inch Corrugated and 7.2 Panel).
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Metal-Era
A Waukesha, Wisconsin manufacturer of prefabricated perimeter edge metal for commercial low-slope roofs, founded as a small manufacturing plant there in 1980. Its catalog covers snap-on fascia, coping, gravel stop and drip edge, expansion joints, counterflashing, gutters, downspouts and scuppers, metal wood-nailer alternatives and sloped-roof ventilation, sold under the Anchor-Tite, Perma-Tite, Edge Systems One, Creative Design Series, Seal-Tite and Hi-Perf family names. The company describes itself as the largest maker of edge metal systems in North America and states that 75% of its products meet ANSI/SPRI, Miami-Dade and Florida Product Approval requirements.
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Metal Exteriors
Metal Exteriors is a family-owned manufacturer of roll-formed steel roofing and siding panels in Shiloh, Ohio, founded in June 2013. Its roofing profiles include the Elite Rib and Parallel Rib exposed-fastener panels, the Ultra Max and PBR commercial panels and the Metal Loc 1.5 standing seam panel, offered in 24, 26, 28 and 29 gauge where applicable. It also makes more than 30 trim profiles.
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Metal Panels Inc.
Metal Panels Inc. (MPI) manufactures metal roofing, siding, storage components and decking products for the metal roofing, metal building, storage and post-frame trades, and states it has served those industries since 2001. It operates a 181,000 square foot manufacturing facility in Tulsa, Oklahoma and a 34,000 square foot facility in Kansas City, Kansas. Its catalog lists exposed-fastener and concealed-fastener (standing seam) roof panels roll-formed from U.S.-made steel, plus trim, purlins and steel deck.
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Metal Roofing Center
Metal Roofing Center is a locally owned metal roofing manufacturer and distributor in Foley, Alabama, with a second location in Punta Gorda, Florida. It fabricates exposed-fastener and standing seam steel roofing panels (M Panel, PBR Panel, Classic Rib, Cor Span, 5-V Crimp and Standing Seam) at its Foley plant and runs an on-site trim fabrication shop. It also distributes other roofing products and components.
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Metal Sales Manufacturing Corporation
One of the largest manufacturers of metal roofing, wall, and building panels in the United States, producing exposed-fastener and standing-seam metal systems from plants nationwide. Headquartered in Louisville, Kentucky.
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Metl-Span
Metl-Span, a Nucor company, is a North American manufacturer of insulated metal panels for institutional, commercial and industrial buildings, headquartered in Dallas, Texas, with manufacturing plants across the United States and Canada. Its insulated roof products are the CFR insulated standing seam roof panel, the LS-36 exposed-fastener insulated roof and wall panel, and the TerraVue insulated roof deck system, which takes a field-applied TPO or PVC membrane.
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MFM Building Products Corp.
A manufacturer of self-adhering waterproofing and roofing underlayment membranes, including the IceBuster and StormStopper granular-surfaced ice-and-water barrier lines and the Wind & Water Seal and Premium HT film-surfaced lines, founded in 1961 and headquartered in Coshocton, Ohio.
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MIFAB
A Chicago maker of commercial and industrial plumbing and drainage products, which says it serves the USA, Canada, Australia and the Middle East and offers siphonic drainage design alongside its drain lines. Its specification drainage catalog includes cast iron roof drains: standard and large sump drains, a combined roof drain and secondary overflow system, a flow-control drain with an adjustable parabolic weir and a paver roof deck drain. The rest of its catalog, such as interceptors, trench drains, cleanouts and floor drains, is not roofing.
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Milcor
A maker of access products that says it was founded in 1902 and makes interior access doors, roof hatches, floor and sidewalk doors, and heat and smoke vents. Its roof hatch range covers single-leaf personnel hatches for ladder, ship-stair and service-stair access, double-leaf equipment hatches, insulated energy-efficient and thermally broken models, and hatch safety accessories such as a retrofit guardrail and an upright safety bar. It states it is part of the Duravent Group portfolio of brands.
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Miller Shingle Company
A Western Red Cedar manufacturer at Granite Falls, Washington, making cedar products since 1946. Besides roofing shakes, tapersawn shakes and shingles it makes sidewall shingles and a line of cedar gable vents, foundation vents and other exterior accessories.
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MIRO Industries
A manufacturer, established in 1982, of non-penetrating rooftop support products, including pipe supports (pillow block and roller systems), strut and duct supports, mechanical unit and disconnect supports, and rooftop access structures (walkways, ramps, service platforms and crossovers). MIRO states its products are made in the U.S.A. and range from standard non-penetrating supports to fully engineered systems designed to meet wind and seismic requirements.
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Momentive Performance Materials
A silicone manufacturer whose building-products business makes the Enduris line of 100 percent silicone roof coatings alongside GE-branded construction sealants, air and water barrier coatings and architectural coatings. Its own history page traces the business to the General Electric silicone project of 1938 and the first GE roof coatings of the 1960s, and states that Momentive purchased the GE Silicones business in 2006, becoming the exclusive global licensee of GE-branded silicone sealants and coatings. The site states Enduris coatings are backed by warranties of up to 20 years.
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Morin Corporation
Morin Corporation roll forms architectural, heavy gauge, single skin metal wall and metal roof systems. The company was established in the early 1960s in Bristol, Connecticut, and was acquired by Kingspan Group Companies in 2008, and its company address is 685 Middle Street, Bristol, Connecticut. Its roof systems include standing seam, snap-lock and batten seam metal roof panels.
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Mueller, Inc.
Mueller, Inc. manufactures and supplies steel buildings, metal roofing and wall panels, with in-house manufacturing and a network of manufacturing plants and retail stores; its corporate headquarters is in Ballinger, Texas. Its roof panels include exposed-fastener profiles (7.2, SSP, AP, CPB, PBU), concealed-fastener snap-together profiles (CF, CWH, CWP) and clip-attached standing seam profiles (MLK, MSL, MTL). Mueller is part of Cornerstone Building Brands, and Fortify Building Solutions retail stores began moving to the Mueller name on October 1, 2025.
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Mule-Hide Products
A manufacturer of low-slope roofing products - single-ply membranes, modified bitumen, coatings, and cements - marketed to contractors. A subsidiary of ABC Supply Co., Inc., headquartered in Beloit, Wisconsin.
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National Gypsum Company
A gypsum building-products company at 2001 Rexford Road in Charlotte, North Carolina, which acts as the service provider for products made by its affiliates Gold Bond Building Products, LLC and PermaBASE Building Products, LLC. Its roofing line is the DEXcell family of commercial roof boards: DEXcell Glass Mat, DEXcell FA Glass Mat and DEXcell FA VSH Glass Mat gypsum roof boards (made by Gold Bond) and DEXcell Cement Roof Board (made by PermaBASE).
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National Metal Sales
National Metal Sales is a sheet metal fabrication shop and distribution center in Brownstown, Michigan, whose largest lines are formed metal roof and siding panels, trims and accessories, and roof edge systems for commercial roofing. It roll-forms standing seam roof panels on site (the SS100, SS150, SS200, SS210A, SS450 and SS675 profiles) and states that it is an ES-1 UL certified fabricator of shop-fabricated edge metal. Its panel catalog also lists McElroy Metal profiles, such as Medallion-Lok and the curved Maxima, 138T and 238T systems.
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National Nail Corp.
An employee-owned manufacturer and distributor of nails, screws, and collated fasteners, in the American building materials industry for over 50 years. Its roofing-dedicated brand, Stinger, makes hand-drive and coil roofing nails, plastic and steel cap nails and cap staples, and EXO synthetic underlayment; its general fastener brand, Pro-Fit, also packages hand-drive and collated roofing nails; and its CAMO brand makes deck fasteners. Manufacturing and distribution operations are based in Grand Rapids, Michigan, with additional U.S. facilities in Texas, New York, Georgia, and California.
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Nationwide Protective Coating Manufacturers, Inc.
Nationwide Protective Coating Manufacturers, Inc. makes water-based elastomeric ceramic paints and coatings, including acrylic and silicone roof coatings, clear roof sealers, roof primers and roof seam tapes sold under its PERMAKOTE, PERMAGARD and PERMASIL names. The company states it began as a family paint store and manufacturing facility in Southwest Florida in 1964, and its Sarasota, Florida plant produces all of its paints and coatings. It also offers private label and toll manufacturing.
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Natural Light Energy Systems
A manufacturer of solar-powered and remote-panel attic ventilation fans, selling roof-mount, curb-mount and gable-mount solar attic fan models plus a garage exhaust vent add-on kit, under the Solar Attic Fan brand at solaratticfan.com. Fan housings are commercial-grade aluminum, powder coated inside and out.
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NCFI Polyurethanes
NCFI Polyurethanes is a polyurethane foam maker in Mount Airy, North Carolina, operating as a division of Barnhardt Manufacturing Company. It makes spray polyurethane foam systems for construction, geotechnical and OEM uses. Its roofing line is the EnduraTech Premier Roofing System, a closed-cell spray polyurethane foam roof finished with an acrylic elastomeric or silicone coating. The company dates its first 3 lb. roofing foam to 1974.
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NedZink
NedZink is a Dutch producer of rolled titanium zinc for roofing, cladding and facades, and part of Koramic Investment Group and ElvalHalcor S.A. It produces titanium zinc to EN 988 and ASTM B69 in NATUREL, pre-weathered NEO, NOIR and NUANCE, and back-coated Pro-Tec finishes, supplied as sheets and coils. Its US site lists sales agents covering US states and Canada.
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Neogard
A Dallas, Texas maker of fluid-applied building-envelope coatings that describes itself as a part of Hempel, the Danish coatings group. Its roofing range covers urethane, silicone and acrylic roof coating systems for built-up and modified bitumen, concrete, metal, single-ply and spray polyurethane foam roofs, alongside vehicular and pedestrian traffic coatings, seamless flooring and elastomeric wall coatings. Its roof coating page says warranties of up to 20 years are available depending on coating and substrate, and its about page says it has made high-performance coatings for over 60 years.
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Newmont Slate Company
A quarrier and fabricator of natural Vermont roofing slate, operating quarries in Pawlet, Wells, and West Pawlet, Vermont. Incorporated in 1994 as successor to Granville Slate Co., it produces roofing slate graded to ASTM C406 S-1 and the patented QWIK Slate hook-fixing installation system, and states it is the largest roofing slate producer in the United States.
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Norbec
Norbec is a Canadian manufacturer of prefabricated walk-in coolers and freezers, doors, and architectural insulated metal panels for the building envelope. Its roofing product is NorSeam, an insulated standing seam roof panel system with a polyisocyanurate core. Norbec is based in Boucherville, Quebec.
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Northern Elastomeric Incorporated
Northern Elastomeric Incorporated (NEI) was founded in Brentwood, New Hampshire in 1989 to make SBS modified asphalt, self-adhesive roofing and waterproofing products, starting with a residential ice and water protection product. It later added thru-wall flashing, below-grade waterproofing, air barrier and private-label products, and in 1999 became a joint venture with Owens Corning. Its roofing product is the AC Granular Ice and StormSeal self-adhesive roof underlayment.
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Novatik
A European maker of stone-coated steel roof tiles (the Natura range) and pre-painted modular steel roof tiles (the Metal range), sold in the United States direct to homeowners through a US arm in Florida. Its technical data sheets state the panels are manufactured by NOVATIK SRL and distributed by NOVATIK Distribution, LLC, and Miami-Dade Notice of Acceptance 24-0822.01 gives the manufacturing location as Prahova, Romania. The company's about page states it has manufactured since 2004 on four automated lines.
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Nu-Ray Metals
A Washington state roll-former of steel roofing and siding panels, trim, flashing and related accessories, part of the Gibraltar Building Products portfolio of Gibraltar Industries, Inc. Its company page traces the business to a metal roofing machine founder Tim Bankers bought in 1981, growing from a local metal roofing installer into a manufacturer supplying panels to contractors and dealers along the West Coast, with sales staff in Washington and California. Its roofing range covers concealed-fastener clip, snap-lock and mechanically seamed standing seam panels plus exposed-fastener and corrugated panels.
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Nucor Building Systems
Nucor Building Systems is a steel building manufacturer that began in 1987 as a single location in Waterloo, Indiana, and now has plants in Indiana, South Carolina, Texas and Utah, selling through a network of over 1,200 Authorized Builders across North America. Its roof panel systems include the Nucor CFR standing seam roof, the Loc Seam vertical rib standing seam panel and R-Panel, alongside the R-Boost elevated roof insulation system.
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Oatey Co.
A manufacturer of plumbing and roof-flashing products, including the No-Calk line of self-sealing pipe/roof flashings in aluminum, galvanized steel, and thermoplastic bases, sold to residential and commercial plumbing markets.
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O'Hagin
A manufacturer of low-profile, off-ridge and ridge attic vents engineered for asphalt shingle, tile, wood shake, slate and standing-seam metal roofs, including the Pitch Perfect metal ridge vent and the Fire&Ice line of climate-resistant vents built with noncombustible wire mesh for wildfire- prone areas. Headquartered in Rohnert Park, California.
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OMG Roofing Products
OMG Roofing Products is the commercial low-slope roofing division of OMG, Inc., manufacturing roofing fasteners and plates, insulation adhesives, roof drains, and rooftop pipe supports, including Factory Mutual-approved fastener lines, from its Agawam, Massachusetts manufacturing plant.
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Onsite Metals
Onsite Metals is a metal roofing and siding manufacturer based in Edmonton, Alberta, that roll-forms its panels in its Edmonton facility and delivers across the province. Its roof panel profiles are standing seam, snap lock, corrugated/AG and R-Panel/PBR in steel with a Kynar 500 PVDF coating, roll-formed to order in run lengths up to 40 feet. It also makes siding, soffit and fascia panels and brake-formed flashing and trim, and offers installation.
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Owens Corning
A global building-products manufacturer known for its pink fiberglass insulation and its Duration line of laminated asphalt shingles with the SureNail nailing strip.
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PABCO Roofing Products
A family-owned manufacturer of premium asphalt roofing shingles, in business since 1984, and a division of Pacific Coast Building Products.
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Palram Americas
Palram Americas is a subsidiary of Palram Industries, whose parent company was founded in 1963, and makes extruded thermoplastic sheets, panel systems and finished products. Its manufacturing operation is in the Lehigh Valley of Pennsylvania, with its US office on Commerce Circle in Kutztown. Its roofing lines include corrugated polycarbonate panels (SUNTUF, SUNSKY, SUNTOP), corrugated PVC panels (PALRUF) and the SUNGLAZE standing-seam polycarbonate roofing system.
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The Pate Company
A Lombard, Illinois maker of prefabricated rooftop components for mechanical, electrical, plumbing and roofing contractors: conventional and metal building roof curbs, pipe penetration products (pipe cap packages, pipe hoods, pipe portals and custom pipe boxes), equipment supports, expansion and control joint curbs, pipe and duct supports, equipment bases and sound curbs. The company says it has more than 60 years of experience, manufactures in the USA, engineers most products to order while stocking standard sizes, and sells through a nationwide network of manufacturer's representatives.
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Penn Slate
A slate quarrier and fabricator headquartered in Slatington, Pennsylvania, which operates two quarries in Pennsylvania's Slate Belt and mines a blue-gray slate that its quarrymen hand split after extraction. Besides roofing slate it fabricates architectural slate such as flooring, countertops, window sills and mantels, and small slate goods such as turkey calls and quoit boards, selling to distributors, contractors, architects and homeowners. Its mailing address is in Philadelphia.
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Performance Roof Systems
A Kansas City manufacturer of APP modified bitumen roofing membranes sold under the DERBIGUM and DERBICOLOR names, along with base sheets, self-adhered sheets, vapor barriers, liquid-applied and vegetative roofing products. The company traces the DERBIGUM membrane to Imperbel of Brussels, Belgium, which imported APP-modified asphalt membrane technology from Italy in the early 1970s, and states its American manufacturing operation was built in Kansas City in 1980. SOPREMA, Inc. acquired DERBIGUM Americas, Inc. in August 2018, and its name was changed to Performance Roof Systems, Inc., A SOPREMA Group Company, in January 2022.
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Petersen Aluminum
A manufacturer of architectural metal roof and wall panel systems sold under the PAC-CLAD brand, in aluminum and steel. A business of Carlisle Companies Incorporated, headquartered in Elk Grove Village, Illinois.
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PHP Systems/Design
A Houston, Texas manufacturer of non-penetrating rooftop support systems, founded in 1992 by Art and Lynn Valentz. It designs and builds pipe, duct, cable tray and mechanical equipment supports, walkways, crossovers, stairs and platforms that sit on the roof without penetrations, using injection-molded high-density polypropylene bases with a UV additive and hot-dip galvanized steel framing, and it states it was the first to implement zero-penetration roof support systems. Its support systems are offered for seismic and high-wind applications.
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Plasteco, Inc.
A Houston, Texas maker of architectural, commercial and industrial skylights, melt-out heat and smoke vents, and skylight fall-protection screens sold under the FallGuard name. Its roof daylighting line covers standard unit skylights in dome, pyramid, circular and octagonal shapes, pre-glazed tandem and grid modular units, vaulted and barrel-vault skylights, and structural pyramid, ridge, polygon and circular dome skylights, glazed in acrylic, polycarbonate or glass.
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Polyglass USA
A manufacturer of modified-bitumen roofing and waterproofing membranes and roof coatings for low- and steep-slope roofs, known for self-adhered ADESO technology. Part of the Mapei Group, headquartered in Deerfield Beach, Florida.
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Polyguard Products
A maker of moisture, water and corrosion barriers founded in 1953 in Oklahoma, based in Ennis, Texas since 1978 and wholly owned by an employee stock ownership plan since 2014. Its divisions cover architectural air barriers, flashings and below-grade waterproofing, pipeline coatings, mechanical insulation jacketing, termite barriers and residential membranes; its roofing line is the Deckguard HT self-adhered high-temperature roof underlayment.
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Polysand
A Canadian manufacturer of composite roofing tiles that replicate natural slate and clay tile, sold under the Polysand SyntheticSlate and Polysand Roman Tile product lines. Tiles are made from virgin polymers combined with specially engineered lightweight recycled fillers, manufactured in Vaughan, Ontario.
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Portals Plus
A commercial roofing accessory brand, founded in 1977, that makes pipe portal systems, roof penetration flashings (Alumi-Flash, Plasti-Flash, Deck-Mate and pipe boots), roof drains and scuppers, equipment rails and expansion joint covers for architects, contractors, engineers and building owners. Portals Plus is part of the Duravent Group portfolio of brands, alongside the RPS roof curb brand; its customer service and support office is listed at 4460 44th Street S.E., Grand Rapids, Michigan.
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PrimeSource Building Products, Inc.
A specialty branded building-products company headquartered in Irving, Texas, supplying fastening solutions, building materials, and outdoor living products through nationwide fulfillment centers. Its brand portfolio includes Grip-Rite, Pro-Twist, and Wolf Home Products; Grip-Rite is its flagship fastener brand and the grip-rite.com site states the mark is a trademark of PrimeSource Building Products, Inc.
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Progressive Materials
Progressive Materials LLC is a silicone roof coating manufacturer headquartered in New Albany, Indiana. It manufactures silicone roof coatings, primers and accessories for commercial roof coating restoration, and its technical resources also list acrylic roof coatings, an acrylic mastic and a spray polyurethane foam. It sells through regional managers in the United States and through distribution partners internationally.
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Protecto Wrap Company
A manufacturer of waterproofing membranes since 1952, based at 1955 South Cherokee Street in Denver, Colorado, whose product lines span residential weather barriers, flashing and building tapes, flooring underlayments, pipeline and bridge-deck products and commercial building-envelope membranes. Its roofing solutions include the Jiffy Seal Ice & Water Guard family of self-adhered underlayments and the Rainproof-40 and Rainproof-60 self-adhered roof underlayments, several of which are listed in IAPMO UES evaluation report ER-0390 as alternatives to the code-required ice barrier.
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ProVia
ProVia is an Ohio manufacturer of entry and storm doors, windows, vinyl siding, manufactured stone and stamped steel metal roofing sold through dealers. Its contact page lists corporate headquarters and entry door production at its Walnut Creek facility in Sugarcreek, Ohio, and vinyl siding and metal roofing production in Booneville, Mississippi. Its metal roofing is a line of 26-gauge galvanized steel shake, slate and barrel tile panels with a Kynar 500 based finish, installed by trained installers.
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Quarrix Building Products
A maker of attic, roof and wall protection products and a lightweight composite roof tile system, including ridge and soffit vents, pipe flashing, roof battens and a high-density polyethylene double Roman tile with its own hip, ridge, rake, flashing and fastener components. Quarrix states it was founded in 1985, is headquartered outside Minneapolis, Minnesota, and is a brand within the Liberty Plastics, Inc. business unit of the Liberty Diversified International (LDI) family of companies; its warranty gives its address as New Hope, Minnesota.
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QuietCool
QuietCool is the brand of QC Manufacturing, Inc., a Temecula, California maker of whole house fans and attic fans that says it has manufactured its products in house in the USA since 2015 and moved into a 162,000 square foot building in Temecula in 2019. Its roof-side line is the AFR family of roof mount attic fans, in solar (with an AC/DC inverter), smart (app-controlled ECM) and traditional (PSC motor) versions, each shipped with primary flashing for 3:12 to 8:12 roofs and offered with separately sold curb flashing for flat roofs and secondary flashing for tile roofs.
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RainDrop Gutter Guard Systems
The maker of the RainDrop Gutter Guard, a black UV-stabilized polypropylene gutter guard sold through registered installing contractors, along with matching end caps, miter connectors, a wide mouth gutter outlet and a downspout clean-out. Its About page states the product is manufactured in the United States by Contractor Nation, which it describes as founded in 1990 by Larry Janesky and headquartered on a corporate campus in Seymour, Connecticut, as the operator of a contractor network that includes Basement Systems, Dr. Energy Saver and Klaus Roofing Systems. Its gutter guard page states RainDrop was first installed in the spring of 2000.
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Reinke Shakes
A maker of tightly corrugated aluminum and solid copper roofing shingles, produced in Hebron, Nebraska since 1976. Its current Reinke Shakes LT (Life-Time) shingle, introduced in 2019, replaced the smaller, thinner shingle it made from 1976 to April 2019. The company's site describes it as a division of Jame Kari LLC, a family-owned company.
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Remington Solar
Remington Solar, Inc. is a Garland (Dallas), Texas company selling American-designed solar powered attic fans with brushless DC motors and built-in thermostat/humidistat controls, in roof-mount, Builder Series, gable-mount and turbine-retrofit models, alongside pool ionizers and attic insulation. Its site describes the business as trusted since 2006 and says all its attic fans carry a lifetime warranty on parts only, not labor, for the registered original owner.
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RHEINZINK
RHEINZINK is a producer of titanium zinc, founded in 1966, that makes its material at its headquarters in the Ruhr region of Germany (Datteln) and exports it worldwide; it is a subsidiary of the Grillo Group. Its program covers roofing, facade cladding and roof drainage. Its zinc roof systems are double lock standing seam, angled standing seam, click roll cap and flat lock tiles, offered in bright rolled, prePATINA ECO ZINC, GRANUM and PRISMO surfaces, and its North American documents are issued by RHEINZINK America, Inc.
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Riverside Mills
A Sutherland family cedar shake and shingle maker in British Columbia, owned and operated by the family for four generations since it entered the shake and shingle business in 1927. Riverside Mills mills timber salvaged from British Columbia forests and coastal waters, such as storm windfall, wood left behind by commercial harvesting and logs broken in transport, into tapersawn shakes and perfection shingles in Western Red Cedar and Alaskan Yellow Cedar, and sells them to customers in the United States and Canada.
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R.M. Lucas Co.
R.M. Lucas Co. is a US maker of coatings, sealants and adhesives for the roofing and waterproofing trades, founded in Chicago, Illinois in 1912 by Robert M. Lucas. Its corporate headquarters, research and manufacturing facility is in Alsip, Illinois, with a second plant in Chicago. Its roofing lines include silicone, acrylic, aluminum, thermoplastic and asphalt roof coatings, asphalt flashing and roof cements, mastics, primers and a single-ply adhesive.
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ROCKWOOL North America
The North American arm of ROCKWOOL A/S, trading as Roxul Inc from its head office at 8024 Esquesing Line in Milton, Ontario, with stone wool insulation plants in Byhalia, Mississippi; Grand Forks, British Columbia; Milton, Ontario; Ranson, West Virginia; and Wallula, Washington. Its roofing line is the Toprock family of stone wool low-slope roof insulation: Toprock DD, Toprock DD Plus, and Toprock tapered, flute filler and cant strip components.
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Rocky Mountain Snow Guards
A snow retention company founded in 2010 by Lars Walberg and based in Englewood, Colorado, that designs and sells its own snow guard and snow fence lines (Rocky Guard, Yeti, SnowTrapper, Everest Guard, CorGard, Drift, No-Flash and Rocky Fence) for metal, shingle, slate, shake, tile and single-ply roofs, and prepares project-specific snow retention layouts. The company states it is focused solely on snow retention products and is also the largest distributor of S-5! snow retention systems in the western United States.
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Roof Products and Systems
A US maker of prefabricated rooftop products founded in 1963, whose line covers conventional, metal-building, expansion and wall, kitchen-ventilation and special-application roof curbs, curb adapters and extensions, equipment rails, and pipe and duct mounting pedestals, along with roof flashings and pipe portal systems. It states its products are made in the US and that it is part of the Duravent Group portfolio of brands; its contact page gives a Grand Rapids, Michigan customer service address, while its older submittal forms print a Carol Stream, Illinois address and a Hart & Cooley copyright.
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Roofit.Solar
Roofit.Solar is an Estonian company, founded in 2016, that makes building-integrated solar roof panels combining a steel roof covering and a photovoltaic module in one product. Its data sheets are issued by Roofit Solar Energy OÜ of Tallinn, Estonia. Its lines are the Velario and Velario Slim double-seam panels and the NuClick 2.0 click-seam panel. Its contact page states its products are available in Europe, the United States and Canada.
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S-5!
A manufacturer of engineered attachments for metal roofs, including non-penetrating clamps for standing seam roofs, brackets for exposed-fastened profiles, snow retention systems, and solar PV mounting. The company says it created the category of engineered, manufactured metal roof attachments in 1992; its founder and CEO, Rob Haddock, was a metal roofing contractor and consultant. S-5! says its products are made in the U.S.A. at its own plant in Iowa Park, Texas, and its site names Metal Roof Innovations, Ltd. as the manufacturer of its products. Its corporate headquarters is in Colorado Springs, Colorado.
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Santafé Tile
The U.S. subsidiary of Ladrillera Santafé, a Colombian maker of clay roof tile and brick, with corporate offices in Medley, Florida and yards in Florida, Texas and California. It sells clay roof tile made by its parent in Bogotá, Colombia, handmade tile made in Cúcuta, Colombia, and, as distributor, the Planum, Selectum, Curved and Mixed Large S tiles of Cerámica La Escandella of Spain. Its site states that Ladrillera Santafé created the international branch in 1990 and advertises a 100-year product warranty.
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Sashco
A Colorado family-owned maker of caulks, sealants, log-home chinking and wood stains that says it has been in business since 1936, with its address at 14802 Grant St., Thornton, Colorado. Its one roofing line is Through the Roof!, a co-polymer rubber roof sealant sold in cartridge and brush grades.
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Scotia Metal Products
Scotia Metal Products is a roll-formed steel roofing and siding manufacturer in the Burnside Industrial Park, Dartmouth, Nova Scotia, which has manufactured steel roofing products there since 2007. It makes metal roofing and siding panels from Galvalume (zinc and aluminum alloy coated) steel for residential, commercial, industrial and agricultural buildings, including the Majestic, Atlantic and Portland nail-strip standing seam roof profiles and the Burnside wall panel, in 24 colours.
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Seaman Corporation
A privately held, multi-generational family-owned manufacturer of high-performance coated fabrics, founded in 1949 in Canal Fulton, Ohio as Modern Textile & Plastics Company and now headquartered in Wooster, Ohio. Its FiberTite division manufactures KEE (Ketone Ethylene Ester) single-ply commercial roof membranes, introduced in 1979, built on a proprietary woven-fabric-reinforced construction rather than the loosely constructed scrim used in conventional TPO and PVC membranes.
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Sempergreen
Sempergreen is a grower and supplier of green roof, living wall and ground cover systems that says it has worked from its horticultural roots since 1996, with nurseries on five continents. Its head office is in Odijk, the Netherlands, and its US arm, Sempergreen USA, is based in Culpeper, Virginia. Its US green roof range covers the Sedum Original, Flowergreen, Solargreen, Pitchedgreen and Purple-Roof systems, supplied as a complete build-up with protection fleece, drainage, substrate and its own pre-grown vegetation blankets.
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SENCO
SENCO makes pneumatic and cordless fastening tools and the nails and staples they drive, and states that many of its fasteners are made at its 500,000-square-foot facility in Cincinnati, Ohio, drawn from US-made steel rod into finished wire in-house. Its company history dates its first Cincinnati manufacturing facility, producing paper-taped framing nails and coil nails, to the 1960s. Its roofing fasteners include smooth shank roofing coil nails and cap staple packs for roof felt and house wrap.
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Senox Corporation
A producer of seamless gutter materials and rainware sold directly to gutter contractors: painted aluminum, copper and Galvalume Plus gutter coil for on-site roll forming, downspouts, elbows and offsets, hangers, end caps, miters, gutter guards and seamless gutter machines. Its About Us page names A.B. Walters as founder, who entered the seamless gutter industry with his first gutter machine in 1972, and carries the slogan "Gutters. That's All We Do." Its home page lists corporate headquarters and the Austin central plant at 15409 Long Vista Drive, Austin, Texas, an east plant in Mesquite, Texas, and 24 branches across the Central and Southeastern United States, and states its gutter coil is rolled, painted and slit in the USA from American-milled aluminum.
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SFS Group USA
SFS Group USA, Inc. makes fasteners and building components for roofing and cladding, including the Dekfast line of low-slope roofing fasteners and stress plates, the isoweld induction-welding system for attaching TPO and PVC/KEE membranes without penetrating them, and ZAC and Woodgrip screws for attaching metal roof panels. Its North American construction division lists its corporate headquarters, service center and plants in Wyomissing, Pennsylvania, with further plants in Reading, Pennsylvania.
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Sheldon Slate Products
A family-owned slate quarrier and manufacturer, owned and operated by third, fourth and fifth generation slate quarriers of the Tatko family, with operations at Monson, Maine and Middle Granville, New York. It states it mines and manufactures its own slate products from its own quarries in the United States and dates its work in slate to 1917. Besides custom-made roofing slate it produces honed slate for flooring, kitchens and baths, architectural and landscape work.
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Sieger Snow Guards
A family-run maker of cast snow guards for slate, shingle, flat-panel metal and standing seam roofs, sold through distributors and installers in the United States and Canada. Its About page says founder Henry Sieger of Slatington, Pennsylvania, began with three snow guards in 1906 and that the company, now more than twelve styles, is based in Leesport, Pennsylvania, and run by the Reiger family. Its products page lists cast aluminum, cast bronze and cast galvanized iron snow guards and marks them made in the USA.
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Sika Sarnafil
The commercial roofing business of Sika, marketed as Sika Roofing & Waterproofing, manufacturing Sarnafil PVC and Sikaplan thermoplastic single-ply membranes for low-slope commercial roofs. US roofing operations are headquartered in Canton, Massachusetts.
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Simplex Nails
A manufacturer of the "Original" capped roofing nail, plastic and steel cap nails for insulation, masonry, and base-sheet attachment, and the Tube-Lok and Zanchor hammer-driven fastener lines used to secure base sheets, insulation, and asphalt, aluminum, slate, and tile roof coverings to wood, masonry, and structural-concrete substrates. Its data sheets state the company's headquarters as Americus, Georgia, while several individual product data sheets on the same site print an older Lawrenceville, Georgia address, apparently unupdated since a prior relocation.
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Siplast
A manufacturer of commercial roofing, waterproofing, and building enclosure materials, including SBS-modified bitumen membranes (Paradiene, Parafor, Veral, Teranap), PMMA liquid-applied flashing and roof membranes (Parapro), PVC and TPO single-ply membranes (Parasolo), lightweight insulating concrete, and air barriers. Siplast says it developed the first foil-faced asphaltic membrane (Veral) in 1958 and, with Royal Dutch Shell, unveiled Paradiene, the first SBS roofing membrane, in 1965. It incorporated in the United States in 1979, opened a manufacturing facility in Arkadelphia, Arkansas in 1981, where it also runs its RISE storm testing center, and says it joined forces with Standard Industries in 2016. The site says it manufactures more than 100 products.
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Skyland USA
Skyland USA, founded in 2005, produces the rooflite line of engineered green roof growing media and states that green roof media is its only core business. Its standardized rooflite soils, blended from porous lightweight aggregates and compost through a network of more than 20 regional production sites in the Americas, cover extensive, semi-intensive, intensive, intensive base and agricultural media plus a granular drainage aggregate. It is based in Landenberg, Pennsylvania.
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Skyline Sky-Lites
A Colorado Springs, Colorado skylight maker that states it has built skylights locally since 1973. It makes three product lines: aluminum-framed unit skylights (acrylic dome, acrylic pyramid and flat glass, in rectangular, circular and octagon shapes), continuous skylights, and custom-engineered metal-framed structural skylights such as pyramids, polygons, ridges, barrel vaults, walkways and segmented domes. It also supplies replacement glazings for skylights of any original make.
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Sno Gem
A manufacturer, founded in 1994, of snow retention systems for standing seam metal, membrane and other roof types, including clamp-to-seam bar and fence systems, individual seam-mount clamps, polycarbonate pad-style snow guards and membrane-coated deck-mount bar systems. Sno Gem states its products draw on over 50 years of combined architectural sheet metal and roofing experience and uses its own patent-pending WaveLock non-penetrating seam-attachment technology across its clamp-to-seam lines.
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SnoBlox-Snojax
A family-run maker of snow retention and metal roof accessory products, trading as SnoBlox-Snojax, whose About page names IceBlox, Inc. as the company behind its SnoBlox designs. The About page traces the line to the Snojax clear polycarbonate snow guard, developed from a 1976 prototype, and lists later products including the adhesive-mounted Snojax II (1984 to 1985), SnoBlox Ace and Deuce (2000), VentSaver vent protectors (2002), the stainless steel SnowCatcher (2006), SnowBreaker and RoofClamp (2010) and the aluminum SnoCleat family (2019); it states IceBlox, Inc. acquired the assets of Action Manufacturing, including the SnoBar, ColorBar, RoofClamp and WindBar lines, in 2016. The site describes its products as made in America and gives an address at 671 Willow Street, Lemoyne, Pennsylvania.
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SnowGuard Direct
A family-operated designer and maker of injection-molded polycarbonate snow guards for metal roofs, sold direct and through retailers. Its home page says it is part of Advantage Plastics, Inc., an injection molding company started in 1998 by Tim Cox Sr. and located in Johnstown, New York, that it designs and manufactures its snow guards in house, and that all its products are made in the USA; the same page also carries the line "Made in Mountain City, TN USA". Its guards are built around a patent-pending channel that holds its Perfect Seal gasket in place of silicone.
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Solar Innovations
Solar Innovations, Inc. was formed on April 15, 1998 and makes aluminum architectural glazing systems, including doors, windows, greenhouses, conservatories, sunrooms and skylights. It states it operates a corporate office and manufacturing campus in Pine Grove, Pennsylvania. Its roof products are custom aluminum-framed skylights, including the SI5000 fixed skylight series, which its data sheet says is designed and manufactured in the U.S.A.
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Solar Royal
Solar Royal, LLC is an Austin, Texas company that develops and sells solar powered attic ventilation fans, led by its SR1800 Series solar attic fan and the SolaVent solar gable fan, which it says were developed, designed and engineered in the USA. The company describes founder Roy Stocker developing the SR1800 while remodeling his own home, and markets a patent-pending two-piece design in which the fan hood lifts off its aluminum base without disturbing the flashing seal.
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Solatube International, Inc.
A Vista, California designer and manufacturer of tubular daylighting devices (tubular skylights) and ventilation products, including solar attic fans and whole-house fans, sold through a network of dealers and distributors. Its commercial daylighting lines are the 10 in. and 14 in. Brighten Up Series, the 14 in. and 21 in. SolaMaster Series and the 29 in. SkyVault Series, each mounted with Solatube roof flashings or curb caps. The company lists a global headquarters at 2210 Oak Ridge Way and a manufacturing plant at 2325 Cousteau Court in Vista, and describes itself as a Kingspan Light + Air company.
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SOPREMA
A manufacturer of SBS-modified bitumen membranes (SOPRALENE), PVC single-ply membranes (SENTINEL), and liquid-applied roofing and waterproofing (ALSAN). Founded in France in 1908; its US operations are headquartered in Wadsworth, Ohio.
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Spectra Gutter Systems
A family-owned manufacturer and distributor of rainware based in Atlanta, Georgia, founded in St. Petersburg, Florida in 1978 and relocated to Atlanta in 1992. Spectra paints, slits, roll-forms and stamps its own products, including pre-painted aluminum and copper seamless gutter coil in its True Coat paint system, trim coil, end caps, miters, outlets, downpipe, hangers, gutter guards and seamless gutter machines, and describes itself as the largest producer and distributor of rainware products in the United States, with 38-plus locations. Its product certification letters are issued in the name Spectra Metal Sales, Inc. The home page pairs "Since 1978" with "50+ Years of Continuous Innovation in Gutter Manufacturing."
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Superior Products International II, Inc.
Superior Products International II, Inc., trading as SPI Coatings, is a coatings manufacturer based in Shawnee, Kansas. Its site describes it as a global manufacturer of commercial and industrial coatings, including ceramic thermal insulation coatings, corrosion coatings, fire coatings and base coats. Its roof products include the Super Therm and Sunshield ceramic roof coatings, SP Liquid Membrane and the Super Base/HS roof base coat.
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Stabilit America Inc.
Stabilit America Inc. makes fiberglass reinforced plastic (FRP) and polycarbonate panels, with business units including Glasteel and Resolite. Its corporate office and manufacturing plant are in Moscow, Tennessee, with distribution centers in Eagan, Minnesota; Goshen, Indiana; and Grand Prairie, Texas. Its roofing products include translucent and opaque corrugated FRP roof and siding panels sold under the Resolite name (Tred-Safe, FS25A/CRFS25A, RFM, Poliacryl) and the AcrylitGC and Polylit light-transmitting panels.
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Star Building Systems
A custom-engineered metal building manufacturer whose own history page states it began in Oklahoma City in 1927 as Star Manufacturing Company and was later renamed Star Building Systems. Its site footer identifies it as part of Cornerstone Building Brands, Inc. Its roof systems include standing seam roof panels (BattenLok HS, Double-Lok, SuperLok, Ultra-Dek) and exposed-fastener roof and wall panels (PBR, PBC, PBD, PBU), sold through its authorized builder network.
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Star Lumber
A third-generation, family-owned group of building product companies with operations in British Columbia and Washington, which operates a Western Red Cedar shake and shingle mill in Mission, British Columbia. Its families have been in the shake and shingle business for over sixty years, and it states that all its production facilities are committed to full fiber recovery. It sells cedar shakes and shingles for roofing and sidewall shingles under the Star Lumber, Black Hawk and Green River names.
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Steel Tile Co.
Steel Tile Co. is a metal roofing producer in Innisfil, Ontario, founded in 1986 as a family-owned business, which describes itself as the largest tile-profiled metal panel producer in Canada. It roll-forms galvanized steel roof panels in tile, slate and shake profiles (Slate Shake, Elite, Katech, Katola), ribbed panels (Muskoka, Summit) and 1-1/2 inch standing-seam panels for residential, agricultural and commercial roofs. Its published SMP paint warranty is a limited 40-year warranty from Steel Tile Co., a division of 1326111 Ontario Limited.
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Sun-Tek Skylights
A privately owned American skylight manufacturer whose headquarters and factory are in Orlando, Florida. It makes residential insulated glass skylights, polycarbonate dome skylights, self-flashing and curb-mount tube skylights, commercial curb-mount and self-flashing skylights, and an Extreme Weather line of impact and Miami-Dade units for high-wind zones, in self-flashing and curb-mounted versions. It also sells skylight sealants and coatings and solar attic fans. Its 2026 catalog says it has made skylights since 1979.
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SunStyle
A Swiss maker of building-integrated photovoltaic roofing in which diamond-shaped glass solar tiles, laid in an overlapping pattern modeled on alpine slate roofs, form the structural roof and the energy-generating surface at once. SunStyle offers a 745 mm tile and an 870 mm tile, the latter marked on its site as available in the USA, Mexico, Canada and France, in black, grey and terracotta colorways with matching inactive tiles. Its About page states the company is based in Bern, Switzerland, established SunStyle International SAS in Paris with Akuo Energy, expanded its headquarters to the United States, and formed a strategic partnership with CertainTeed to broaden its U.S. offerings; its datasheets give the address of SunStyle AG in Bolligen, Switzerland, and its contact page lists a U.S. office in Malvern, Pennsylvania. SunStyle sells through installation partners, who handle warranty claims.
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Super Sky Products
Super Sky Products Enterprises, LLC is a Mequon, Wisconsin manufacturer that designs, fabricates and installs custom extruded aluminum skylight systems for commercial and residential buildings. Its published systems include aluminum-framed glass skylights (with hurricane/impact rated and blast resistant options), point supported glass skylights and building integrated photovoltaic skylights, in pyramid, ridge, dome, vault, single pitch and special configurations. The company traces its skylight division to 1929, when founder Walter Belau added it to Super Steel Products, and says it has completed more than 11,000 projects.
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SureCoat Systems
SureCoat Systems is a California company that sells its own line of single-component, low-VOC, fluid-applied restoration products, including roof coatings, wall coatings, concrete sealers and restoration detergents. Its roofing line centers on the SureCoat Roof System, a fabric-reinforced elastomeric coating system for flat and low-slope roofs built from SureCoat, SureSet and Poly-Mesh, and it also offers Shingle Saver for asphalt shingle and cap sheet roofs. The company sells direct to the roofing and waterproofing trade and issues manufacturer's material warranties through approved contractors.
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S&W Forest Products
A family-owned mill specializing in the manufacturing of Alaskan Yellow Cedar and Western Red Cedar shakes and shingles for roofing and siding, which states it has produced and exported cedar shakes and shingles since 1964. Products are marketed under the Cedar Shake and Shingle Bureau's Certi-Split, Certi-Sawn, Certi-Grade, Certi-Groove, and Certi-Cut brands.
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SWD Urethane
SWD Urethane is a spray polyurethane foam manufacturer founded in 1972 in Mesa, Arizona, where it remains headquartered. It makes the QUIK-SHIELD line, which includes open-cell and closed-cell spray foam insulation for walls and the QUIK-SHIELD 155 closed-cell spray-applied polyurethane roofing foams. Its roofing products also include QUIK-SHIELD silicone and acrylic roof coatings and an acrylic patching compound.
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TAMKO Building Products
A family-owned American manufacturer of asphalt shingles, cements and coatings, and waterproofing, best known for its Heritage line of laminated shingles.
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Tarco
One of the largest independently owned manufacturers of roofing and building envelope products in North America, producing roofing underlayments, self-adhesive membranes, traditional roll roofing, and waterproofing materials since 1978 from its Little Rock, Arkansas headquarters.
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Taylor Metal Products
A West Coast manufacturer of metal roofing and siding panels whose About page states it has made metal roofing and siding since 1985 and serves the western United States from multiple branches, listing Salem, Oregon; Sacramento and Riverside, California; and Auburn and Spokane, Washington. Its product pages state which branch roll-forms each profile. Its roof line spans snap-lock and mechanically seamed standing seam panels (Easy-Lock, StreamLine, Versa-Span, Slim-Lock) and exposed-fastener panels (PBR, Tuff Rib, Classic 7/8 inch Corrugated and others), and it operates its own delivery fleet.
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The Teal-Jones Group
A family-owned British Columbia timber harvester and lumber manufacturer, in continuous operation since 1946, that makes western red cedar and Alaskan yellow cedar shakes and shingles under the Teal Cedar name alongside lumber and tonewood. It describes itself as the largest privately owned timber harvesting and primary lumber manufacturing company in British Columbia, with its own forest tenures and sawmills, and states that all Teal Cedar products are third-party inspected by the Quality Auditing Institute.
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Tefute USA
A supplier of stone-coated steel roofing tiles in tile, shake and shingle profiles, sold to homeowners and professionals through roofing partners. ICC-ES Evaluation Report ESR-4036 names Tefute USA, Inc. as report holder for its steel roofing tiles, pressure-formed from AZ50 aluminum-zinc coated steel with a stone granule top surface. Its contact page gives an address in Fort Worth, Texas.
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Tejas Borja
A Spanish maker of ceramic clay roof tile, trim pieces and tile-integrated solar and insulation systems, based in Llíria, Valencia, where it says it runs four production lines for roof tiles and accessories. It dates its roof tile manufacturing to 1899 and states that it has been part of the French Edilians Group since December 2021. Its product pages print imperial dimensions alongside metric ones, and the pages for its flat, S-interlocking and barrel tiles link Miami-Dade County Notices of Acceptance and ICC-ES evaluation report ESR-2111, which name Tejas Borja S.A.U. as the manufacturer and Laterizi, Inc. as the distributor in the Miami-Dade notices.
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Texas Refinery Corp
Texas Refinery Corp is a family-owned manufacturer of lubricants and protective coatings, chartered in Texas in 1922 as Panther Oil and Grease Manufacturing Company and based in Fort Worth, Texas. Its Protective Coatings Division makes cold-process asphalt roof coatings and primers under the MIGHTYPLATE name, asphalt-based aluminum roof coatings, an elastomeric copolymer roof coating, modified bitumen roofing membranes and roofing reinforcement fabrics. The company states it has built a new manufacturing facility in Mansfield, Texas.
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Thaler Metal Industries
A Mississauga, Ontario maker of metal roof penetration products for low-slope and sloped roofs, including STACK JACK vent stack flashings, exhaust vent flashings, mechanical and electrical flashings, split flashings, relief vents, gravity air vents, architectural and mechanical roof supports, roof drains, fall arrest roof anchors and horizontal lifeline systems. Its catalog lists a U.S. phone line alongside the Canadian one, and its specification text gives a New Braunfels, Texas number for U.S. orders. The company offers CAD drawings, engineered stamped layouts, shop drawings and custom fabrication to specification, and backs its penetration products with a 20-year warranty.
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Thermal Foams, Inc.
Thermal Foams, Inc. is a family-owned company that manufactures molded polystyrene (EPS) foam and engineered insulated panel systems, with locations in Buffalo, Rochester and Syracuse, New York, and Pittsburgh, Pennsylvania. It states it has served the Eastern United States and Canada since 1959. Its roofing products are Tru-R EPS roof insulation in flat and tapered board and Tru-R Nailbase.
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Thybar Corporation
An Addison, Illinois manufacturer of prefabricated sheet-metal roof curbs and pipe-penetration flashing systems used to mount and flash roof hatches, skylights, smoke hatches and mechanical equipment to a roof deck. Its catalog specifies that curbs for roof hatches, skylights and smoke hatches be built as constant-height curbs following the pitch of the roof.
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Tilcor North America
A manufacturer of pressure-formed, stone-coated steel roofing panels in tile, shake and shingle profiles, made from 26-gauge, 55% aluminum-zinc alloy coated steel with an embedded stone granule surface over an acrylic base coat and clear acrylic over-glaze. Operated by Ross Roof Group, whose roofing lineage traces to Ross Roofing/Ross Concrete Products in New Zealand (1942-1946); Ross Roof Group started Tilcor Roofing Systems in 2011 to supply the USA, Canada, Europe, Africa and the Middle East from its New Zealand factory. The North America operating company is legally Ross Roof Group, Inc. DBA Tilcor North America, based in Galt, California.
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Topps Products
A maker of commercial roof restoration and repair products, including rubber elastomeric, water-based and silicone roof coatings, base coats, bleed-through blockers, seam sealers, repair compounds and reinforcing membranes, sold with a certified installer program. Its about page says its management teams work from the Kansas City area and the Canton and Jackson, Mississippi area with a production unit in Cleveland, Ohio, and its data sheets give a mailing address in Stilwell, Kansas. The home page says the company has been trusted since 1958, while the about page says it has supplied roofing solutions for over 30 years.
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TRA Snow and Sun
A snow retention and roof flashing company in American Fork, Utah, founded in 1996 by Terry Anderson as TRA Snow Brackets. It designs Snow Brackets (pad-style snow guards) and snow fence or snow rail systems in clamp-on, deck-mount and single-ply versions for most roof types, lays out each project's snow retention plan, and also sells flexible aluminum and copper roof flashings and tile roof ventilation products such as TileVent, TileSeal and VersaFlash. The company states its snow guards and snow rail systems were tested to a fail point by Brigham Young University's Engineering Department, with the resulting data used to build bracket-count charts by roof pitch and snow load.
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Tree Island Steel
Tree Island Steel is a Canadian steel wire and nail manufacturer that began production in Richmond, British Columbia in 1964. Its nail range includes bulk and packaged roofing nails for asphalt shingles, felts and insulation board, tile nails, neoprene-washered ring shank nails for steel roofing, plastic cap nails and shake nails, alongside K-Lath stucco reinforcement, collated nails and agricultural fencing. Its timeline records the acquisition of the Halsteel nail plant in California in 2000, and its contact page lists its Richmond, BC location first.
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Tremco Roofing
The roofing division of Tremco CPG Inc., manufacturing hot- and cold-applied built-up roofing (BURmastic), SBS and APP modified bitumen membranes (POWERply) and single-ply, liquid-applied and metal roofing systems. Headquartered at 3735 Green Road, Beachwood, Ohio, per the company's own corporate schema markup.
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Tri County Metals
Tri County Metals is a Florida metal roofing company that manufactures and distributes metal roofing panels, trim and accessories, with a production facility in Trenton, Florida and branch locations across the state. Its catalog covers exposed-fastener panels (Ultra Rib, PBR, 5V) and standing seam panels (TCM-LOK, SL-LOK, SS-LOK, MS-LOK) in steel and aluminum, and delivers to Florida and several southern Georgia counties.
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TRUFAST
TRUFAST is the roof and wall fastening brand of Altenloh, Brinck & Co. US, Inc., manufacturing self-drilling screws, insulation and seam plates, pre- assembled fastener-and-plate systems, adhesives, and roof drains for mechanically attaching insulation, cover boards, base sheets, and single- ply and modified-bitumen roof membranes to steel, wood, gypsum, and concrete decks, from its manufacturing plant in Bryan, Ohio.
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Ultra Seam
Ultra Seam is a US maker of metal roofing and siding systems that describes its plant locations as spread across the United States, with plants listed in Alaska, Arizona, California, Hawaii, Kentucky, Louisiana, Michigan, New Jersey, North Carolina, Oklahoma, South Carolina, Tennessee and Texas. Its roof panel line includes mechanically seamed, snap-on, Lok-Seam, Clip-Lok and nail strip standing seam profiles in steel, aluminum, zinc, stainless and copper, alongside wall panels and edge systems.
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Uniflex
A maker of fluid-applied commercial roofing systems, including silicone, acrylic and aliphatic urethane roof coatings, basecoats, primers, roof sealants and repair products, sold with labor and material warranties through a network of authorized contractors. Its own site states that it engineered the industry's first fluid applied roof coating in 1946, that it offers 10-year and 15-year labor and material warranties, and that it is a business unit of The Sherwin-Williams Company, whose distribution network it says numbers over 3,400 locations. Its product data sheets are served from a Sherwin-Williams document service and refer buyers to their Sherwin-Williams representative.
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Union Corrugating Company
A manufacturer and distributor of metal roofing and wall panels operating, per its own about page, "for more than 75 years." Union Corrugating Company is a brand of Cornerstone Building Brands, the same parent company as MBCI, and manufactures and distributes exposed-fastener panels (PBR, MasterRib, 5V) and standing seam panels (SL150, SL175, Advantage-Lok II, Double-Lok) from plants including Fayetteville, NC; Tipp City, OH; Morrison, TN; Ocala, FL; Dunmore, PA; Tifton, GA; and Vicksburg, MS.
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Urethane Polymers International, Inc.
Urethane Polymers International (UPI) is a Fontana, California manufacturer of liquid-applied polyurethane, hybrid polyurea, acrylic and epoxy waterproofing and flooring coatings for pedestrian, vehicular and roof decks. The company states it was established in 1971 and manufactures all of its products in its own facility. Its roofing products include the M-C-THANE urethane roofing systems, the UREA-DEK SYSTEM RC-1 roof surfacing system, Shingle Heal, and the base, intermediate and top coats used in its roof coating systems.
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U.S. Ply, Inc.
A manufacturer of SBS and APP modified bitumen roofing membranes and built-up roofing components under the DuraFlex, DuraWeld, USP 160, TuffCap 190 and RapidGRIP brands, headquartered in Bridgeport, Texas. Its product data sheets state its membranes are UL Classified, Factory Mutual approved, and listed with the Florida Building Code and the Texas Department of Insurance, and are made in the U.S.A.
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USG Corporation
A gypsum and building-materials manufacturer with 70-plus locations and about 8,500 employees across the United States, Canada and Latin America, a subsidiary of the family-owned Knauf Group; its product literature gives its address as 550 West Adams Street, Chicago. Its roofing products are the Securock Brand roof boards (gypsum-fiber, UltraLight glass-mat, UltraLight coated glass-mat and cement cover boards), Securock Gypsum-Concrete Patch for poured gypsum roof decks, and STRUCTO-CRETE Brand structural roof deck panels.
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Vande Hey Raleigh
A manufacturer of handcrafted, custom-made concrete roof tile, founded in 1973 and manufacturing in Little Chute, Wisconsin. Offers standard tile profiles as well as custom color blending, salvaged/discontinued-tile matching for historic restoration, and architectural copper and sheet metal accessories, backed by a limited lifetime warranty on manufactured tile.
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VaproShield
VaproShield is a Gig Harbor, Washington maker of vapor-permeable water resistive barriers, air barriers and accessories for the building envelope that has moved into roofing with self-adhered underlayments and air and vapor barriers, led by SlopeShield Plus SA, a permeable vapor retarder it markets for self-drying roof assemblies. Its roof line also includes the non-asphaltic BlockShield SA Plus air and vapor barrier, the RoofBlock HT high-temperature underlayment, VaproTak primers and flashing products.
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Varco Pruden Buildings
Varco Pruden Buildings is a maker of custom-designed pre-engineered metal buildings and hybrid steel buildings, sold through a network of more than 750 builders, and is a division of BlueScope Buildings North America, Inc. Its headquarters is at 3200 Players Club Circle in Memphis, Tennessee. The company dates its origins to 1948 and took the Varco Pruden Buildings name in 1968, when Varco Steel and Pruden Products were merged. Its roofing systems are the SSR standing seam roof, the SLR II architectural standing seam roof and the Panel Rib exposed-fastener roof panel.
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VB Synthetics
VB Synthetics, founded in 2015, is a USA-owned, privately held company specializing in woven and non-woven synthetic roofing underlayments for sloped and metal roofing, including asphalt shingle, standing-seam metal, synthetic and natural slate, and clay/concrete tile applications. Its own site states its underlayments "meet or exceed ASTM D4869, ASTM D226, ICC-ES AC188, FBC (HVHZ) TAS 103, Miami-Dade 2014 FBC, [and] Texas Department of Insurance" requirements and carry a 50-year limited warranty, with SlipGuard slip-resistant top and bottom surfaces on its mechanically-attached lines.
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VELUX America LLC
The United States arm of the VELUX Group, making residential skylight systems for pitched and flat roofs, including fixed and venting ("Fresh Air") unit skylights in deck-mounted and curb-mounted versions, Sun Tunnel tubular skylights, flat roof skylights and roof windows, together with the engineered flashing kits that pair each skylight with shingle, shake, tile or metal roofing. Its customer service address is PO Box 5001, Greenwood, South Carolina, and its own site describes the VELUX Group as innovating since 1941 and present in America for five decades.
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Ventamatic, Ltd.
A Mineral Wells, Texas maker of fans and ventilation products that traces itself to Butler Engineering, founded in Dallas in 1948, which moved to Mineral Wells in 1956, began selling under the Ventamatic name in 1963, became Butler Ventamatic Corporation in 1974 and Ventamatic, Ltd. in 2001. Its roofing lines are roof-mounted electric and solar power attic ventilators and galvanized steel and polypropylene static roof vents, now sold under the Maxx Air name alongside gable fans, whole house fans and portable fans; earlier brand names include Cool Attic and nuVent. The company describes more than 435,000 sq. ft. in six locations in Mineral Wells and Fort Worth, Texas, with 15 assembly lines.
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Verea Clay Roof Tile
The North American operation of the Spanish clay roof tile maker Verea, selling through authorized distributors from a yard at 7275 NW 61 Street in Miami, Florida. Its site states that Cerámica Verea has been one of Europe's leading roof tile manufacturers since 1967 and that it offers three profiles to the North American market (Spanish S, Barrel and Verea Flat), all conforming to ASTM Grade 1, with a limited lifetime warranty. Miami-Dade County Notices of Acceptance name Tejas Verea, S.A. in La Coruña, Spain as the manufacturer.
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Vermont Structural Slate Company
A family-run producer of custom architectural stone that quarries and fabricates its own Vermont roofing slate, alongside slate, marble, quartzite, granite, limestone and basalt for flooring, paving, cladding and other uses. Its site says it has specialized in custom architectural stone for over 150 years and that it produces roofing slate "on the grain" for strength. It lists a mailing address in Fair Haven, Vermont and a physical address in Whitehall, New York.
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Versico Roofing Systems
A manufacturer of commercial single-ply roofing systems - TPO, EPDM, and PVC membranes - for low-slope roofs. A business of Carlisle Companies Incorporated, headquartered in Carlisle, Pennsylvania.
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VMZINC
VMZINC is a brand of rolled titanium-zinc building products made from an alloy of zinc with controlled amounts of copper and titanium, produced at plants in France and supplemented by plants in Belgium, Germany, Switzerland and Slovakia. Its range covers systems and products for roofing and facades, accessories and flashings, rainwater systems and ornaments, and it offers pre-weathered finishes alongside mill-finish Natural Zinc. In the United States the brand is represented by VM Building Solutions USA Inc. of Cary, North Carolina, whose roofing systems include double lock standing seam zinc panels and the ADEKA pre-formed zinc roof element.
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Waldun Forest Products
A Western Red Cedar shake and shingle mill founded in 1974 by Wynn Walker on the Fraser River in Ruskin, British Columbia, now part of the Waldun Group formed from a union of three mills. Waldun manufactures split and resawn (handsplit) shakes, tapersawn shakes, and shingles from cedar end pieces and salvaged fallen-tree blocks, and is a member of the Cedar Shake and Shingle Bureau.
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Warrior Roofing Manufacturing
An independent manufacturer of asphalt-saturated roofing felt, established in 1978 on the banks of the Warrior River in Tuscaloosa, Alabama, as a one-line felt plant; it runs manufacturing facilities in Tuscaloosa, Alabama and Chambersburg, Pennsylvania. Besides its #15, #30, 15w and 30w saturated felts and building paper, it markets the Elephant Skin and Shield Right synthetic roof underlayments and the Warrior Wrap house wrap.
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Watkins Sawmills
A family-owned Western Red Cedar shake and shingle maker in British Columbia, begun when Bill Watkins built a lumber mill on the Harrison River in 1947 and now run with his son and grandson. Its operations include a cedar shake and shingle mill, a sidewall shingle plant, a fire safety and preservative treatment facility, a logging division, dry kilns, a sidewall painting division and a wholesale and shipping division, employing over 100 people. Besides the certified shakes and shingles it manufactures, it stocks uncertified shakes and shingles from other suppliers, and it sells through dealers across North America with mailing addresses in Mission, British Columbia and Sumas, Washington.
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WeatherBond
A single-ply roofing brand offering EPDM, TPO and PVC membranes with matching flashings, adhesives, fasteners, insulation and cover boards for commercial and residential low-slope roofs, and pitching training and installation resources to contractors and DIY installers. The company says it has been a division of Carlisle Construction Materials, LLC since 2006 and draws on CCM's single-ply manufacturing; its data sheets name Carlisle, PA, Greenville, IL, Tooele, UT and Senatobia, MS as membrane manufacturing locations. It offers material-only and labor-inclusive warranties.
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Western Colloid
A manufacturer of water-based asphalt emulsions, acrylic elastomeric reflective coatings, sealants, primers and polyester reinforcing fabrics used to build Fluid Applied Reinforced Roofing (FARR) systems, which it describes as seamless membranes of asphalt emulsion or acrylic coating reinforced with polyester fabric and applied mostly over existing BUR, modified bitumen, single-ply, metal, sprayed foam and gravel roofs. The company says its founder was a fluid-applied roofing contractor from the 1960s and that the Western Colloid brand began in the 1970s when he built his own manufacturing facilities. Its contact page lists a Los Angeles location and plant, an Oakland location, pick-up locations in Santa Ana and Glendale, Arizona, and a Dallas/Fort Worth location in Alvarado, Texas; it also makes asphalt sealcoats under the ArmorTop pavement name.
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Western States Decking, Inc.
Western States Decking, Inc. was established in 1996 as a distributor of metal decking, later bought its own roll-forming equipment and now does business as Western States Metal Roofing. It manufactures metal roofing and metal siding panels, coil and flat sheets, with a manufacturing facility in Phoenix, Arizona and further manufacturing facilities in the Dallas / Fort Worth area of Texas and Spokane Valley, Washington. Its roof panels include exposed-fastener corrugated, PBR, Western Rib and Ag Panel profiles and standing seam panels.
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Westform Metals
Westform Metals roll-forms prepainted sheet steel roofing and siding panels, cut to length, at plants in Chilliwack, British Columbia and Lacombe County, Alberta. The company traces to a Chilliwack lumber yard founded in 1961 by the Visscher brothers, who opened a metal forming plant in 1975. It makes exposed-fastener rib and corrugated panels and a concealed-fastener panel (Prolok) for agricultural, commercial and residential buildings in BC, Alberta and Saskatchewan, and also sells flashings and installation accessories.
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Westlake Royal Roofing Solutions
The roofing division of Westlake Royal Building Products, offering clay tile (US Tile), concrete tile, stone-coated steel (DECRA), and composite roofing brands. Part of Westlake Corporation, headquartered in Houston, Texas.
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Westman Steel
Westman Steel is a Canadian manufacturer of steel roofing and siding and part of WGI Westman Group Inc., making steel roofing and siding since 1982. It rollforms concealed-fastener standing seam roof panels (SNAP-LOK, Snap Seam, Mechanical Lock and SSR 24) and exposed-fastener roof and wall panels (Tough Rib, 936, Diamond Rib, AWR, Deck Mate, RD36, Rainbow Rib and corrugated profiles) for agricultural, commercial and residential buildings, along with trim, cladding and door systems.
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XeroFlor North America
A supplier of extensive green roof systems built around thin, pre-vegetated sedum mats that roll out like sod, plus a modular tray option and the root barrier, drainage, retention, growing media and edging components used beneath and around them. The company describes the technology as German in origin, used since 1972, and brought to North America in 2002, and says its mats are grown for 9 to 12 months on farms across North America with every component North American-made. It states that XeroFlor set a Guinness world record in 2004 for the largest green roof, on the Ford Rouge plant in Dearborn, Michigan. XeroFlor North America is offered by Bioroof Systems, Inc., which lists offices in New York, New York and Burlington, Ontario.
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A. Zahner Company
A. Zahner Company is a family-owned maker of architectural metalwork, in business since 1897 and headquartered in Kansas City, Missouri, with a second permanent facility in Grand Prairie, Texas. It engineers, fabricates and installs metal surfaces and building-envelope systems. Its roof product is the Inverted Seam roof cladding system, and it also builds custom metal roof systems.
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Zappone Manufacturing
A maker of individual, four-way interlocking metal shingles in solid copper and Kynar-coated or mill finish aluminum, with a concealed nailing flange, sold for roofs, bay window roofs, steeples and vertical wall cladding, along with matching starter, gable, hip and ridge, wall and valley flashings. It is based in Spokane, Washington.
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ZinCo USA
The United States arm of ZinCo, a German maker of green roof system build-ups and components, including Floradrain drainage and water retention elements, Georaster grid elements for sloped roofs, Elastodrain protection and drainage sheets, Zincoblend growing media, root barriers, protection mats and pre-cultivated sedum mats. Its site describes ZinCo as a manufacturer of green roof systems that works through trained installation partners, and publishes extensive, intensive, sloped, rooftop farming, walkway and driveway build-ups. The company history on the site traces ZinCo to a master craftsman shop founded by Walter Zink in Unterensingen, Germany, in 1957, notes the Floradrain FD 60 and FD 40 launch between 1978 and 1983, and lists the founding of ZinCo USA, Inc. in the 2007 to 2018 period. The contact page gives ZinCo USA, Inc. an address in Braintree, Massachusetts, while its older product data sheets print earlier addresses in Rockland and Stoughton, Massachusetts.