GAF is the largest roofing manufacturer in North America. Founded in 1886, they are known for both residential and commercial roofing systems.
What GAF offers:
- Residential: Asphalt shingles, luxury shingles, roofing accessories, underlayments, ventilation, gutters
- Commercial: TPO, PVC, EPDM membranes, modified bitumen, roof coatings, insulation
- Systems: Complete roofing systems backed by warranties up to 50 years
- Certified Contractor Network: Extensive network of factory-certified roofing contractors across the US for installation
GAF is part of Standard Industries and is headquartered in Parsippany, NJ. They focus on innovation, weather protection, and energy-efficient roofing products.
Popular brands: Timberline HDZ Shingles, Roofing Accessories, EverGuard TPO