Products / CertainTeed Flintlastic GTA

CertainTeed's granulated, torch-applied APP-modified bitumen cap sheet for commercial low-slope roof systems, with polyester reinforcement. The base member of the Flintlastic GTA cap-sheet family (distinct from the fire-rated GTA-FR and solar-reflective GTA CoolStar variants), it meets ASTM D6222 Grade G, Type I and is paired with hot-asphalt or torch-applied base sheets in a homogenous roof system. Standard asphaltic membrane warranties run ten to twenty-five years depending on system specification and product selection, through Limited Warranty on Materials, Integrity Roof System, or Integrity Roof System No Dollar Limit coverage.