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CertainTeed's workhorse granulated, torch-applied, APP-modified bitumen cap sheet, Flintlastic® GTA is valued for its quick melt and decades of consistent quality. This 160-mill membrane is manufactured with a resilient polyester reinforcement, offering exceptional durability and resistance to weathering. GTA is available in eight 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-quality torch system creates a multi-layered barrier that wil...See More

Features & Benefits

Quick Specs
• APP-modified • Polyester reinforcement • 103 lbs • 1 square • 4.0 mm (160 mils)
• Meets or exceeds ASTM D6222 Grade G, Type I • High UV stability • Excellent elongation/recovery
Why Buy
• Robust base ply allows for extended warranties
• Standard asphaltic membrane warranty durations between ten and twenty-five years • Credentialed Contractors can increase warranty durations by 25% with an Integrity Maintenance Agreement • Product and Product/Workmanship options: Limited Warranty on Materials, Integrity Roof System® Limited Warranty, and Integrity Roof System No Dollar Limit (NDL) Limited Warranty Warranty durations are based on a combination of system specification and product selection.

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