Products / DuraFlex 250S TG SBS

U.S. Ply's smooth-surfaced, torch-applied SBS (Styrene-Butadiene-Styrene) modified bitumen membrane reinforced with a heavy-duty non-woven polyester mat. It is used as a base sheet or interply sheet in torch-applied SBS roof systems. The data sheet lists a 3.0 mm (120 mil) thickness, 88 lb rolls of 39-3/8 in x 32 ft 9 in, and classification under ASTM D6164 Type II, Grade S. It states the product is UL Classified, FM Approved, and listed with Texas Department of Insurance RC-123.