CertainTeed's highly solar-reflective, granulated, torch-applied, APP-modified bitumen cap sheet, Flintlastic® GTA CoolStar(R) is valued for its quick melt and decades of consistent quality while delivering increased occupant comfort and energy savings. This 160 mil membrane is manufactured with a resilient polyester reinforcement, offering exceptional durability and resistance to weathering while reducing thermal heat gain, improving building comfort and reducing energy cost. CRRC Product Identification 0668-0133a. Flintlastic® GTA CoolStar can be used to comply with the 2019 California Title 24 Part 6 Cool Roof Requirements. 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,...See Moreespecially in the West and South. Ask any experienced roofing contractor, and they will tell you that a properly installed, high-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 CoolStar(R). See Less