Nothing protects quite like a roof.
That's why millions of Americans live, work, and play under quality products from North America's largest roofing manufacturer.
More homes and businesses in the U.S. are protected by a GAF roof than by any other product. We are the leading roofing manufacturer in North America, with plants strategically located across the U.S. A member of the Standard Industries family of companies, GAF is part of the largest roofing and waterproofing business in the world.