Products / CertainTeed Flintlastic SA NailBase

Nailable, fiberglass-reinforced SBS-modified bitumen base sheet in the Flintlastic SA self-adhered roof system, for low-slope roofs over nailable substrates such as wood. It is 1.5 mm (60 mils) thick, weighs 82 lbs per roll and covers two squares, with a top film that bonds the self-adhered plies above it. CertainTeed lists it as meeting ASTM D4601 Type II, and it is listed in a Miami-Dade underlayment systems approval.