CertainTeed's granulated, torch-applied, APP-modified bitumen cap sheet with fire resistant additives, Flintlastic® GTA-FR is valued for its quick melt and decades of consistent quality, when a Class A fire rating is required. This 160 mil membrane is manufactured with a resilient polyester reinforcement, offering exceptional durability and resistance to weathering. GTA-FR is available in two true-blend colors designed to complement popular shingles as well as CoolStar® highly solar-reflective surfacing. Torch-down roofing technology has only strengthened since first coming on the scene in the 1970’s. CertainTeed modifies roofing asphalt with plasticizing atactic polypropylene (APP) polymers to enhance product toughness, especially in environments with elevated UV exposure. These APP modified bitumen products are staples of the torch roofing community, especially in the West and South. Ask any experienced roofing contractor, and they will tell you that a properly installed, high...See More-quality torch system creates a multi-layered barrier that will protect a building for decades to come. Reach out to your local CertainTeed Territory Manager to request a sample and demonstration of Flintlastic® GTA-FR See Less