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Permitting Authorities / Lower Salford Township - Building & Zoning Department

Do you need a permit to replace a roof in Township of Lower Salford, PA?

Adopted code

Lower Salford Township - Building & Zoning Department

Yes, a permit is required to replace a roof in Township of Lower Salford, PA, issued by Lower Salford Township - Building & Zoning Department. Lower Salford Township's Building & Zoning Department lists roof repair and replacement as permit work. The department's Permits page (read October 7, 2026), under "Permits are required, but not limited to:", lists "Roof - Repair & Replacement" with "Payment Due At Time Of Application Submittal," and the department's Permit Applications page offers a "Roofing, Accessory Buildings, Fences & Signs" application, whose first item is a "ROOFING/SIDING PERMIT FEE CALCULATION." The Township's fee schedule (Version: January 2026) has a building fee line "(w) Roofing and Siding Replacement on Existing Structures (All Uses)": $50.00 for 1 to 10 squares and $50.00 plus $2.50 per square over 10. Chapter 58 of the Township Code, the Township's Uniform Construction Code ordinance (Ordinance No. 2004-4), names no roof work either way. Section 58-6 keeps in force provisions the Township adopted on or before July 1, 1999 that equal or exceed the code, deletes two of the state regulation's permit exemptions ("Delete Subpart (iv) of Section 403.62(c)(1) in its entirety" and the same for Subpart (xvii)), cited at an earlier numbering of the regulation, and adds permits for driveway and sidewalk expansions and for "the installation of all uncovered decks and patios." Chapter 115 (Ordinance No. 98-9, adopted June 3, 1998) adopts the "1995 CABO One- and Two-Family Dwelling Code" for one- and two-family buildings; that code's text is not published with the chapter and was not read for this record. Under state law, Act 45 says the Act "shall not apply to" "Alterations to residential buildings which do not make structural changes or changes to means of egress, except as might be required by ordinances in effect pursuant to section 303(b)(1) or adopted pursuant to section 503" or to "Repairs to residential buildings, except as might be required by ordinances in effect pursuant to section 303(b)(1) or adopted pursuant to section 503" (section 104(b)(5) and (6)), and of a municipal ordinance that adds to the code, section 503(c) says "An ordinance under this subsection shall not be effective nor enforceable unless subsections (d), (e), (f), (g), (h) and (i) have been satisfied." This record does not decide whether the municipality's requirement is one adopted under section 503 or kept in effect by section 303(b)(1). In practice, expect the Township to require a permit for a house reroof, with the fee paid when the application is filed; the department's pages say "Fees for Projects Started Without A Permit In-Hand Are Doubled!" and Section 58-8 makes a violation of the code a summary offense with "a fine of not more than $1,000 and costs." Roofing applications must be filed with payment and cannot be emailed, the homeowner must sign the application, and proof of the contractor's workers' compensation coverage is required. The office is open 8:30 a.m. to 4:30 p.m., Monday through Friday, at 215-256-8087. Read for this answer: Chapter 58 of the Township Code, Building Construction, in full, which is the Township's Uniform Construction Code ordinance with its amendments; Chapter 115, One- and Two-Family Dwellings; Chapter 84, Fees, whose building permit fee section is reserved, fees being set by resolution; the Floodplain Conservation District article of Chapter 164, Zoning; every page of a search of the whole Township Code for "roof" and for "reroofing"; the department's Building & Zoning, Permits, Permit Applications and Permit Fees pages; the roofing application; and the January 2026 fee schedule.

Roof code checklist: Township of Lower Salford, PA

ItemAnswerCode citeSourceVerified
Permit to replace a roofYeslowersalfordtownship.org2026-10-07
Repair permit thresholdPublishedpacodeandbulletin.gov2026-10-07
Layer limit / roof-overPublishedR908.3.1.1pacodeandbulletin.gov2026-10-07
Deck & sheathingPublishedR905.2.1pacodeandbulletin.gov2026-10-07
Drip edgeNot published
Ice & water shieldNot published
Mid-roof inspectionNot published
Impact-resistant (Class 4) roofingNot published
Wind design criteriaNot published
Adopted codePublishedSec. 58-1pacodeandbulletin.gov2026-10-07
Contractor license / registrationYespalegis.us2026-10-07
Sales & use taxPublishedpa.gov2026-10-07

Each row comes from the sourced record on this page; full wording is in the table below. "Not published" means no official source for that item was found when the record was last verified.

Jurisdiction
Township of Lower Salford, Pennsylvania
Jurisdiction type
city
Address
379 Main Street, Harleysville, PA 19438
Contact
  • url: https://www.lowersalfordtownship.org/departments/building-zoning/
  • phone: 215-256-8087
Roofing permit required
Required
Contractor registration required
Required
Permit process note
Lower Salford Township's Building & Zoning Department lists roof repair and replacement as permit work. The department's Permits page (read October 7, 2026), under "Permits are required, but not limited to:", lists "Roof - Repair & Replacement" with "Payment Due At Time Of Application Submittal," and the department's Permit Applications page offers a "Roofing, Accessory Buildings, Fences & Signs" application, whose first item is a "ROOFING/SIDING PERMIT FEE CALCULATION." The Township's fee schedule (Version: January 2026) has a building fee line "(w) Roofing and Siding Replacement on Existing Structures (All Uses)": $50.00 for 1 to 10 squares and $50.00 plus $2.50 per square over 10. Chapter 58 of the Township Code, the Township's Uniform Construction Code ordinance (Ordinance No. 2004-4), names no roof work either way. Section 58-6 keeps in force provisions the Township adopted on or before July 1, 1999 that equal or exceed the code, deletes two of the state regulation's permit exemptions ("Delete Subpart (iv) of Section 403.62(c)(1) in its entirety" and the same for Subpart (xvii)), cited at an earlier numbering of the regulation, and adds permits for driveway and sidewalk expansions and for "the installation of all uncovered decks and patios." Chapter 115 (Ordinance No. 98-9, adopted June 3, 1998) adopts the "1995 CABO One- and Two-Family Dwelling Code" for one- and two-family buildings; that code's text is not published with the chapter and was not read for this record. Under state law, Act 45 says the Act "shall not apply to" "Alterations to residential buildings which do not make structural changes or changes to means of egress, except as might be required by ordinances in effect pursuant to section 303(b)(1) or adopted pursuant to section 503" or to "Repairs to residential buildings, except as might be required by ordinances in effect pursuant to section 303(b)(1) or adopted pursuant to section 503" (section 104(b)(5) and (6)), and of a municipal ordinance that adds to the code, section 503(c) says "An ordinance under this subsection shall not be effective nor enforceable unless subsections (d), (e), (f), (g), (h) and (i) have been satisfied." This record does not decide whether the municipality's requirement is one adopted under section 503 or kept in effect by section 303(b)(1). In practice, expect the Township to require a permit for a house reroof, with the fee paid when the application is filed; the department's pages say "Fees for Projects Started Without A Permit In-Hand Are Doubled!" and Section 58-8 makes a violation of the code a summary offense with "a fine of not more than $1,000 and costs." Roofing applications must be filed with payment and cannot be emailed, the homeowner must sign the application, and proof of the contractor's workers' compensation coverage is required. The office is open 8:30 a.m. to 4:30 p.m., Monday through Friday, at 215-256-8087. Read for this answer: Chapter 58 of the Township Code, Building Construction, in full, which is the Township's Uniform Construction Code ordinance with its amendments; Chapter 115, One- and Two-Family Dwellings; Chapter 84, Fees, whose building permit fee section is reserved, fees being set by resolution; the Floodplain Conservation District article of Chapter 164, Zoning; every page of a search of the whole Township Code for "roof" and for "reroofing"; the department's Building & Zoning, Permits, Permit Applications and Permit Fees pages; the roofing application; and the January 2026 fee schedule.
Adopted code
The 2021 International Residential Code, as adopted by the State in the Pennsylvania Uniform Construction Code (UCC). 34 Pa. Code 403.21(a)(7) adopts "The 'International Residential Code of 2021,' except that:" followed by the State's list of exclusions and modifications, effective January 1, 2026 (55 Pa.B. 7701). None of the State's changes touches Chapter 9, Roof Assemblies, or Section R803, Roof Sheathing, so those apply as the International Code Council publishes them. Work on existing buildings is also pointed to the State's existing-building code: "The repair, alteration, change of occupancy, addition and relocation of existing buildings must comply with Chapter 34 of the 'International Building Code of 2021' or with the 'International Existing Building Code of 2021'" (34 Pa. Code 403.21(f)). The UCC is the minimum everywhere in the state: "no municipality may propose or enact any ordinance which is less than the minimum requirement of the Uniform Construction Code" (Pennsylvania Construction Code Act, Act 45 of 1999, section 503(b)). The Act also lists work it "shall not apply to", including "Alterations to residential buildings which do not make structural changes or changes to means of egress" or to "Repairs to residential buildings," in each case "except as might be required by ordinances" kept in force under section 303(b)(1) or adopted under section 503 (Act 45 section 104(b)(5) and (6); 34 Pa. Code 403.1(b)(8) and (9)). The Act defines a repair as "The reconstruction or renewal of any part of an existing building for the purpose of its maintenance." So whether the code's roofing rules reach a given house reroof depends on the municipality's own ordinances. Everything above is Pennsylvania state law, the same in every municipality. Locally, Lower Salford Township administers the code itself: Section 58-1 of the Township Code says "Lower Salford Township hereby elects to administer and enforce the provisions of the Pennsylvania Construction Code Act," and the Township's Building & Zoning Department, at 379 Main Street, Harleysville, takes the permit applications; its staff directory lists a Director of Building & Zoning, a Code Administrator, permit clerks and a third-party inspector. Section 58-2 adopts the Uniform Construction Code as the building code of Lower Salford Township, and Section 58-5 A keeps in force building code ordinances adopted on or before July 1, 1999 that equal or exceed the code. Chapter 58 changes nothing in the code's roofing provisions. Chapter 115 of the Township Code adopts the "1995 CABO One- and Two-Family Dwelling Code," Section 58-2 adopts the Uniform Construction Code "as amended from time to time," and the department's pages name no code edition; this record has not read the 1995 CABO code's text and does not decide which edition the Township applies to a house.
Repair permit threshold
Lower Salford Township's Building & Zoning Department lists roof repair and replacement as permit work and charges a roofing permit fee. The department's Permits page (read October 7, 2026), under "Permits are required, but not limited to:", lists "Roof - Repair & Replacement" with "Payment Due At Time Of Application Submittal," and the department's Permit Applications page offers a "Roofing, Accessory Buildings, Fences & Signs" application, whose first item is a "ROOFING/SIDING PERMIT FEE CALCULATION." The Township's fee schedule (Version: January 2026) has a building fee line "(w) Roofing and Siding Replacement on Existing Structures (All Uses)": $50.00 for 1 to 10 squares and $50.00 plus $2.50 per square over 10. Chapter 58 of the Township Code, the Township's Uniform Construction Code ordinance (Ordinance No. 2004-4), names no roof work either way. Section 58-6 keeps in force provisions the Township adopted on or before July 1, 1999 that equal or exceed the code, deletes two of the state regulation's permit exemptions ("Delete Subpart (iv) of Section 403.62(c)(1) in its entirety" and the same for Subpart (xvii)), cited at an earlier numbering of the regulation, and adds permits for driveway and sidewalk expansions and for "the installation of all uncovered decks and patios." Chapter 115 (Ordinance No. 98-9, adopted June 3, 1998) adopts the "1995 CABO One- and Two-Family Dwelling Code" for one- and two-family buildings; that code's text is not published with the chapter and was not read for this record. Under state law, Act 45 says the Act "shall not apply to" "Alterations to residential buildings which do not make structural changes or changes to means of egress, except as might be required by ordinances in effect pursuant to section 303(b)(1) or adopted pursuant to section 503" or to "Repairs to residential buildings, except as might be required by ordinances in effect pursuant to section 303(b)(1) or adopted pursuant to section 503" (section 104(b)(5) and (6)), and of a municipal ordinance that adds to the code, section 503(c) says "An ordinance under this subsection shall not be effective nor enforceable unless subsections (d), (e), (f), (g), (h) and (i) have been satisfied." This record does not decide whether the municipality's requirement is one adopted under section 503 or kept in effect by section 303(b)(1). In practice, expect the Township to require a permit for a house reroof, with the fee paid when the application is filed; the department's pages say "Fees for Projects Started Without A Permit In-Hand Are Doubled!" and Section 58-8 makes a violation of the code a summary offense with "a fine of not more than $1,000 and costs." State law sets no square-footage or percentage threshold for roof work; any threshold is set locally. The Uniform Construction Code "does not apply to" "Alterations to residential buildings which do not make structural changes or changes to means of egress, except as required by ordinances in effect under sections 303(b)(1) or 503 of the act" or to "Repairs to residential buildings, except as required by ordinances in effect under sections 303(b)(1) and 503 of the act" (34 Pa. Code 403.1(b)(8) and (9)), and "A permit is not required for the exceptions listed in § 403.1(b) (relating to scope) and the following, if the work does not violate a law or ordinance" (34 Pa. Code 403.62(c)). For houses the regulation adds: "An ordinary repair does not require a permit." Its list of work that is not an ordinary repair names cutting away a load-bearing wall, "The removal or cutting of any structural beam or load-bearing support," changes to a required means of egress, and new or relocated piping, wiring or mechanical work (34 Pa. Code 403.62(d)); roofing is not named. A municipality may require more: under Act 45 section 503(c) it "may enact ordinances pursuant to this section which adopt additional code requirements for alterations or repairs to residential buildings," after a public hearing and after filing the proposed ordinance with the Department of Labor and Industry. These rules concern a "Residential building," which the regulation defines as "Detached one-family and two-family dwellings and townhouses which are not more than three stories above grade plane in height with a separate means of egress and their accessory structures" (34 Pa. Code 401.1). Everything above is Pennsylvania state law, the same in every municipality. Locally, Lower Salford Township administers the code itself: Section 58-1 of the Township Code says "Lower Salford Township hereby elects to administer and enforce the provisions of the Pennsylvania Construction Code Act," and the Township's Building & Zoning Department, at 379 Main Street, Harleysville, takes the permit applications; its staff directory lists a Director of Building & Zoning, a Code Administrator, permit clerks and a third-party inspector. The department lists roof repair and replacement as permit work and prices the permit by roofing squares, starting at the first square; no Township text sets an area or cost threshold below which roof work needs no permit.
Roof layer limit / recover
Two layers at most where the state code reaches the job. Pennsylvania adopts the 2021 International Residential Code without changing its reroofing section, R908 (34 Pa. Code 403.21(a)(7); the State's list of changes names no Chapter 9 section). Section R908.3.1.1 says "A roof recover shall not be permitted where any of the following conditions occur," and the third condition is "Where the existing roof has two or more applications of any type of roof covering." So one existing layer may be covered once, and a roof that already has two layers is torn off to the deck. The same section also bars a recover "Where the existing roof or roof covering is water soaked or has deteriorated to the point that the existing roof or roof covering is not adequate as a base for additional roofing" and "Where the existing roof covering is slate, clay, cement or asbestos-cement tile." The existing-building code the State also adopts, the 2021 International Existing Building Code (34 Pa. Code 403.21(f)), carries the same three conditions in Section 705.2.1.1. These rules bind work the Uniform Construction Code reaches. The Act does not apply to "Repairs to residential buildings" or to alterations that make no structural change, "except as might be required by ordinances" (Act 45 section 104(b)(5) and (6)), so whether R908 binds a particular house reroof turns on that exclusion and on the municipality's own ordinances. Everything above is Pennsylvania state law, the same in every municipality. Locally, Lower Salford Township administers the code itself: Section 58-1 of the Township Code says "Lower Salford Township hereby elects to administer and enforce the provisions of the Pennsylvania Construction Code Act," and the Township's Building & Zoning Department, at 379 Main Street, Harleysville, takes the permit applications; its staff directory lists a Director of Building & Zoning, a Code Administrator, permit clerks and a third-party inspector. Chapter 58 of the Township Code changes nothing in the code's reroofing provisions, and the department's pages say nothing on roof layers; the department requires a permit for roof replacement. Chapter 115 of the Township Code adopts the "1995 CABO One- and Two-Family Dwelling Code," Section 58-2 adopts the Uniform Construction Code "as amended from time to time," and the department's pages name no code edition; the text above is the 2021 edition's, and the 1995 CABO code's reroofing text was not read for this record.
Deck & sheathing requirements
State rules from the base code, where the state code reaches the job. Pennsylvania adopts the 2021 International Residential Code without changing Section R803, Roof Sheathing (34 Pa. Code 403.21(a)(7); the State's changes to Chapter 8 are to ridge framing and attic ventilation). Lumber roof sheathing follows Table R803.1: over rafters or beams 24 inches apart it must be at least 5/8 inch net thick. Wood structural panels "shall be identified for grade, bond classification and performance category by a grade mark or certificate of inspection issued by an approved agency," and their spans "shall not exceed the values set forth in Table R503.2.1.1(1) or APA E30." For shingles, "Asphalt shingles shall be fastened to solidly sheathed decks" (R905.2.1), and on any reroof "The structural roof components shall be capable of supporting the roof covering system and the material and equipment loads that will be encountered during installation of the roof covering system" (R908.2). These rules bind work the Uniform Construction Code reaches; the Act does not apply to "Repairs to residential buildings" or to alterations that make no structural change, "except as might be required by ordinances" (Act 45 section 104(b)(5) and (6)). Act 45 section 104(b)(5) excludes alterations "which do not make structural changes or changes to means of egress" and says only that "a structural change does not include a minor framing change needed to replace existing windows or doors"; 34 Pa. Code 403.62(d)(2) lists "The removal or cutting of any structural beam or load-bearing support" as not an ordinary repair. Neither names roof sheathing; this record does not decide whether replacing it is either. Everything above is Pennsylvania state law, the same in every municipality. Locally, Lower Salford Township administers the code itself: Section 58-1 of the Township Code says "Lower Salford Township hereby elects to administer and enforce the provisions of the Pennsylvania Construction Code Act," and the Township's Building & Zoning Department, at 379 Main Street, Harleysville, takes the permit applications; its staff directory lists a Director of Building & Zoning, a Code Administrator, permit clerks and a third-party inspector. Chapter 58 of the Township Code changes nothing in the code's roof sheathing provisions, and the department's pages draw no separate line for roof sheathing. Chapter 115 of the Township Code adopts the "1995 CABO One- and Two-Family Dwelling Code," Section 58-2 adopts the Uniform Construction Code "as amended from time to time," and the department's pages name no code edition; the text above is the 2021 edition's, and the 1995 CABO code's sheathing text was not read for this record.
Sales & use tax
6% Pennsylvania sales and use tax, with a local tax added on purchases made in Allegheny County (1%) and Philadelphia (2%). On a reroof the roofer pays the tax on the materials and does not add it to the homeowner's bill. The Department of Revenue says: "The Pennsylvania sales tax rate is 6 percent. By law, a 1 percent local tax is added to purchases made in Allegheny County, and 2 percent local tax is added to purchases made in Philadelphia." Roof work is a construction activity: the rule's list of items "presumed to become a permanent part of real estate" includes "Roofing (repairs)" (61 Pa. Code 31.11). For construction activities, "A contractor shall pay tax upon the purchase price ... of all property, including materials, equipment, components and supplies, which he furnishes and installs" (61 Pa. Code 31.12(a)(1)), and the rule's example says the contractor "does not charge sales tax on this transaction to his customer. The contractor may include the tax he must pay in his bid proposal but not as a separately stated item." Apart from limited exceptions set out in the rule, the same holds on jobs for tax-exempt owners: "a contractor erecting a building, repairing a roof, replacing a door for a governmental agency, ... school district, charitable or religious organization, and the like, shall pay tax upon the property which he consumes" (61 Pa. Code 31.13(a)). Everything above is Pennsylvania state law, the same in every municipality. Lower Salford Township is in Montgomery County. The Township's permit pages and fee schedule say nothing on sales tax.

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Lower Salford Township's Building & Zoning Department, at 379 Main Street, Harleysville, issues building permits, and its Permits page lists roof repair and replacement among work that needs a permit. The Pennsylvania Uniform Construction Code applies statewide, but Act 45 section 104(b) lists "Repairs to residential buildings" and alterations that make no structural or egress change among work it does not apply to, "except as might be required by ordinances in effect pursuant to section 303(b)(1) or adopted pursuant to section 503."

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Sources

Roofing questions: Township of Lower Salford, PA

Do you need a permit to replace a roof in Township of Lower Salford, PA?

Yes, a permit is required to replace a roof in Township of Lower Salford, PA. Lower Salford Township's Building & Zoning Department lists roof repair and replacement as permit work and charges a roofing permit fee. The department's Permits page (read October 7, 2026), under "Permits are required, but not limited to:", lists "Roof - Repair & Replacement" with "Payment Due At Time Of Application Submittal," and the department's Permit Applications page offers a "Roofing, Accessory Buildings, Fences & Signs" application, whose first item is a "ROOFING/SIDING PERMIT FEE CALCULATION." The Township's fee schedule (Version: January 2026) has a building fee line "(w) Roofing and Siding Replacement on Existing Structures (All Uses)": $50.00 for 1 to 10 squares and $50.00 plus $2.50 per square over 10. Chapter 58 of the Township Code, the Township's Uniform Construction Code ordinance (Ordinance No. 2004-4), names no roof work either way. Section 58-6 keeps in force provisions the Township adopted on or before July 1, 1999 that equal or exceed the code, deletes two of the state regulation's permit exemptions ("Delete Subpart (iv) of Section 403.62(c)(1) in its entirety" and the same for Subpart (xvii)), cited at an earlier numbering of the regulation, and adds permits for driveway and sidewalk expansions and for "the installation of all uncovered decks and patios." Chapter 115 (Ordinance No. 98-9, adopted June 3, 1998) adopts the "1995 CABO One- and Two-Family Dwelling Code" for one- and two-family buildings; that code's text is not published with the chapter and was not read for this record. Under state law, Act 45 says the Act "shall not apply to" "Alterations to residential buildings which do not make structural changes or changes to means of egress, except as might be required by ordinances in effect pursuant to section 303(b)(1) or adopted pursuant to section 503" or to "Repairs to residential buildings, except as might be required by ordinances in effect pursuant to section 303(b)(1) or adopted pursuant to section 503" (section 104(b)(5) and (6)), and of a municipal ordinance that adds to the code, section 503(c) says "An ordinance under this subsection shall not be effective nor enforceable unless subsections (d), (e), (f), (g), (h) and (i) have been satisfied." This record does not decide whether the municipality's requirement is one adopted under section 503 or kept in effect by section 303(b)(1). In practice, expect the Township to require a permit for a house reroof, with the fee paid when the application is filed; the department's pages say "Fees for Projects Started Without A Permit In-Hand Are Doubled!" and Section 58-8 makes a violation of the code a summary offense with "a fine of not more than $1,000 and costs." State law sets no square-footage or percentage threshold for roof work; any threshold is set locally. The Uniform Construction Code "does not apply to" "Alterations to residential buildings which do not make structural changes or changes to means of egress, except as required by ordinances in effect under sections 303(b)(1) or 503 of the act" or to "Repairs to residential buildings, except as required by ordinances in effect under sections 303(b)(1) and 503 of the act" (34 Pa. Code 403.1(b)(8) and (9)), and "A permit is not required for the exceptions listed in § 403.1(b) (relating to scope) and the following, if the work does not violate a law or ordinance" (34 Pa. Code 403.62(c)). For houses the regulation adds: "An ordinary repair does not require a permit." Its list of work that is not an ordinary repair names cutting away a load-bearing wall, "The removal or cutting of any structural beam or load-bearing support," changes to a required means of egress, and new or relocated piping, wiring or mechanical work (34 Pa. Code 403.62(d)); roofing is not named. A municipality may require more: under Act 45 section 503(c) it "may enact ordinances pursuant to this section which adopt additional code requirements for alterations or repairs to residential buildings," after a public hearing and after filing the proposed ordinance with the Department of Labor and Industry. These rules concern a "Residential building," which the regulation defines as "Detached one-family and two-family dwellings and townhouses which are not more than three stories above grade plane in height with a separate means of egress and their accessory structures" (34 Pa. Code 401.1). Everything above is Pennsylvania state law, the same in every municipality. Locally, Lower Salford Township administers the code itself: Section 58-1 of the Township Code says "Lower Salford Township hereby elects to administer and enforce the provisions of the Pennsylvania Construction Code Act," and the Township's Building & Zoning Department, at 379 Main Street, Harleysville, takes the permit applications; its staff directory lists a Director of Building & Zoning, a Code Administrator, permit clerks and a third-party inspector. The department lists roof repair and replacement as permit work and prices the permit by roofing squares, starting at the first square; no Township text sets an area or cost threshold below which roof work needs no permit.

Can you roof over an existing roof in Township of Lower Salford, PA?

Two layers at most where the state code reaches the job. Pennsylvania adopts the 2021 International Residential Code without changing its reroofing section, R908 (34 Pa. Code 403.21(a)(7); the State's list of changes names no Chapter 9 section). Section R908.3.1.1 says "A roof recover shall not be permitted where any of the following conditions occur," and the third condition is "Where the existing roof has two or more applications of any type of roof covering." So one existing layer may be covered once, and a roof that already has two layers is torn off to the deck. The same section also bars a recover "Where the existing roof or roof covering is water soaked or has deteriorated to the point that the existing roof or roof covering is not adequate as a base for additional roofing" and "Where the existing roof covering is slate, clay, cement or asbestos-cement tile." The existing-building code the State also adopts, the 2021 International Existing Building Code (34 Pa. Code 403.21(f)), carries the same three conditions in Section 705.2.1.1. These rules bind work the Uniform Construction Code reaches. The Act does not apply to "Repairs to residential buildings" or to alterations that make no structural change, "except as might be required by ordinances" (Act 45 section 104(b)(5) and (6)), so whether R908 binds a particular house reroof turns on that exclusion and on the municipality's own ordinances. Everything above is Pennsylvania state law, the same in every municipality. Locally, Lower Salford Township administers the code itself: Section 58-1 of the Township Code says "Lower Salford Township hereby elects to administer and enforce the provisions of the Pennsylvania Construction Code Act," and the Township's Building & Zoning Department, at 379 Main Street, Harleysville, takes the permit applications; its staff directory lists a Director of Building & Zoning, a Code Administrator, permit clerks and a third-party inspector. Chapter 58 of the Township Code changes nothing in the code's reroofing provisions, and the department's pages say nothing on roof layers; the department requires a permit for roof replacement. Chapter 115 of the Township Code adopts the "1995 CABO One- and Two-Family Dwelling Code," Section 58-2 adopts the Uniform Construction Code "as amended from time to time," and the department's pages name no code edition; the text above is the 2021 edition's, and the 1995 CABO code's reroofing text was not read for this record.

Do roofing contractors need a license or registration in Township of Lower Salford, PA?

Yes.

What building code does Township of Lower Salford, PA use?

The 2021 International Residential Code, as adopted by the State in the Pennsylvania Uniform Construction Code (UCC). 34 Pa. Code 403.21(a)(7) adopts "The 'International Residential Code of 2021,' except that:" followed by the State's list of exclusions and modifications, effective January 1, 2026 (55 Pa.B. 7701). None of the State's changes touches Chapter 9, Roof Assemblies, or Section R803, Roof Sheathing, so those apply as the International Code Council publishes them. Work on existing buildings is also pointed to the State's existing-building code: "The repair, alteration, change of occupancy, addition and relocation of existing buildings must comply with Chapter 34 of the 'International Building Code of 2021' or with the 'International Existing Building Code of 2021'" (34 Pa. Code 403.21(f)). The UCC is the minimum everywhere in the state: "no municipality may propose or enact any ordinance which is less than the minimum requirement of the Uniform Construction Code" (Pennsylvania Construction Code Act, Act 45 of 1999, section 503(b)). The Act also lists work it "shall not apply to", including "Alterations to residential buildings which do not make structural changes or changes to means of egress" or to "Repairs to residential buildings," in each case "except as might be required by ordinances" kept in force under section 303(b)(1) or adopted under section 503 (Act 45 section 104(b)(5) and (6); 34 Pa. Code 403.1(b)(8) and (9)). The Act defines a repair as "The reconstruction or renewal of any part of an existing building for the purpose of its maintenance." So whether the code's roofing rules reach a given house reroof depends on the municipality's own ordinances. Everything above is Pennsylvania state law, the same in every municipality. Locally, Lower Salford Township administers the code itself: Section 58-1 of the Township Code says "Lower Salford Township hereby elects to administer and enforce the provisions of the Pennsylvania Construction Code Act," and the Township's Building & Zoning Department, at 379 Main Street, Harleysville, takes the permit applications; its staff directory lists a Director of Building & Zoning, a Code Administrator, permit clerks and a third-party inspector. Section 58-2 adopts the Uniform Construction Code as the building code of Lower Salford Township, and Section 58-5 A keeps in force building code ordinances adopted on or before July 1, 1999 that equal or exceed the code. Chapter 58 changes nothing in the code's roofing provisions. Chapter 115 of the Township Code adopts the "1995 CABO One- and Two-Family Dwelling Code," Section 58-2 adopts the Uniform Construction Code "as amended from time to time," and the department's pages name no code edition; this record has not read the 1995 CABO code's text and does not decide which edition the Township applies to a house.