CertainTeed's workhorse smooth, torch-applied, APP-modified bitumen cap sheet, Flintlastic® STA is valued for its quick melt and decades of consistent quality. This 150-mill membrane is manufactured with a resilient polyester reinforcement, offering exceptional durability. STA offers some application forgiveness compared with its granulated counterpart, GTA, with a precise selvage edge and lap line. Coat Flintlastic® STA with SMARTCOAT reflective roof coatings for Integrity Roof System Limited Warranties. 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,
Features & Benefits
• APP-modified • Polyester reinforcement • 86 lbs • 1 Square • 3.8 mm (150 mils)
• Meets or exceeds ASTM D6222 Grade S, Type I • Excellent elongation/recovery
• Tried and true modified bitumen protection • Quick melt and granule-free surface for speedy application
• 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.