The roofing reference
Every roofing material, product, and code — in one sourced place.
A structured, provenance-disciplined reference for homeowners, contractors, and adjusters. Every entry is backed by a cited, dated source.
- MaterialsShingles, membranes, metal, tile23
- ProductsNamed lines by manufacturer42
- ManufacturersGAF, Owens Corning, CertainTeed…22
- SuppliersDistributors & branch locations5
- Trade OrganizationsNRCA, ARMA, MRA, TRI…9
- Permitting AuthoritiesColorado jurisdictions46
// popular entries
- Material
Class 4 Impact-Resistant Shingle
Asphalt (often SBS-modified rubberized) shingles that pass UL 2218 Class 4, the highest impact rating, resisting a 2-inch steel ball dropped from 20 feet without cracking.
- Product
GAF Timberline AS II
GAF's SBS-modified, impact-resistant architectural shingle in the Timberline family, engineered with a rubberized asphalt for flexibility and passing the UL 2218 Class 4 impact test.
- Permitting
City and County of Denver - Community Planning and Development
The permitting authority for the consolidated City and County of Denver. Community Planning and Development issues building permits, including residential and commercial reroofing permits, and licenses contractors.
- Material
TPO Membrane
A single-ply thermoplastic polyolefin membrane with heat-welded seams, widely used on low-slope commercial roofs. Typically white and highly reflective (cool roof).
// browse by attribute
Roofing by city
Per-city hubs: local permit rules, roofing suppliers, and hail materials for Colorado cities.
Roofing materials by attribute
Class 4 impact-resistant, by slope, by material family, and Class A fire-rated.
Roofing suppliers by city
Distributors and supply houses by their Denver-metro and Front Range branch cities.