North America's largest roofing manufacturer | Greystar Preferred Supplier

GAF, a Standard Industries company, is the leading roofing and waterproofing manufacturer in North America. GAF's products include a comprehensive portfolio of roofing and waterproofing solutions for residential and commercial properties, as well as for civil engineering applications. GAF provides end-to-end support for architects, specifiers, contractors, and property owners seeking high-quality performance and technical guidance. Through its innovative and customer-driven solutions, the company has protected homes, businesses, families, and communities for over 130 years. Learn more at