Products / DuraWeld 4M APP

DuraWeld 4M APP is a granule-surfaced APP (atactic polypropylene) torch-applied cap sheet reinforced with a non-woven polyester mat saturated and coated with non-blown asphaltic bitumen and APP resins. U.S. Ply also offers it with a high reflective Ultra White granule. The product data sheet lists a thickness of 4.1 mm (161 mils), a roll weight of 105 lbs, and approximately 3.2 percent recycled content by weight, and states it is UL Classified, Factory Mutual Approved, listed with the Florida Building Code as RC-123 and Miami-Dade County Approved.