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Asphaltic Roofing Materials
Roofing material categories in the asphaltic family.
APP Modified Bitumen
A modified-bitumen membrane in which the asphalt is modified with atactic polypropylene (APP), giving a plastic-like, heat- and UV-resistant sheet typically torch-applied. Distinct from SBS modified bitumen, which uses a rubber-like elastomeric modifier better suited to cold-flex applications.
Asphalt 3-Tab Shingle
Single-layer asphalt shingles with a flat, uniform appearance and cutouts forming three tabs per strip. The economy tier of asphalt roofing.
Asphalt Architectural Shingle
Multi-layered laminated asphalt shingles that create a dimensional, textured appearance. The most common residential steep-slope roofing in North America.
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.
Modified Bitumen
Asphalt-based low-slope membrane reinforced and modified with polymers (SBS or APP), installed in rolls by torch, hot mop, cold adhesive, or self-adhered.
Solar Shingle
Building-integrated photovoltaic roofing in which the solar cells are part of the roof covering itself rather than racked panels mounted above it. Nailable solar shingles integrate into an asphalt shingle field to both weatherproof the roof and generate electricity.