Products / DuraFlex G4FRTG SBS

U.S. Ply's fire-resistant, granule-surfaced, torch-applied SBS (Styrene-Butadiene-Styrene) modified bitumen cap sheet with a fiberglass mat. The data sheet lists a 3.8 mm (150 mil) thickness, 105 lb rolls of 39-3/8 in x 32 ft 9 in, and classification under ASTM D6163 Type I, Grade G. It states the product is UL Classified, FM Approved, and listed under Florida Building Code FL-8077 and Texas Department of Insurance RC-123. An Ultra White granule version has its own data sheet, which describes it as CRRC rated with an initial SRI of 106.