GAF is North America’s largest and most advanced roofing and waterproofing manufacturer. With customer-driven innovation, the company has protected homes, businesses, families and communities for over 130 years. With plants strategically located across the country, more homes and businesses in the U.S. are protected by a GAF roof than any other product. GAF protects what matters most.
Course Library
Bundle Up, It’s Cold Inside!
Rainwater mitigation and insulating goals can both be achieved in low-slope or flat roofs with optim...
Roof assemblies have more roles than simply keeping water out. Understanding control layers is key t...
"Out on the edge you see all the kinds of things you can't see from the center." - Kurt Vonnegut