CertainTeed Flintlastic Ultra Poly SMS Base Sheet is designed for use as a base sheet for both hot and cold applied SBS modified bitumen or built-up roofing systems. It is suitable for use in the construction of various types of roof membrane assemblies for both new construction and reroofing, over a variety of substrates. Flintlastic Ultra Poly SMS Base Sheet will provide additional strength when used as the first ply over nailable, non-nailable and insulated substrates. In addition, it will perform as a venting base sheet when spot mopped over approved insulations. Also suitable as a mid ply in multi-layer systems or as a torched-down base sheet over a gypsum coverboard.
CertainTeed Flintlastic Ultra Poly SMS Base Sheet is manufactured using a high performance, non-woven polyester mat which is impregnated and coated with a superior grade modified bitumen compound.
CertainTeed Flintlastic Ultra Poly SMS Base Sheet may be mechanically attached or applied in either hot asphalt or approved cold adhesive such as CertainTeed's FlintBond or torched over approved substrates, depending on system design and selection. Rolls should be stored upright, off ground, completely protected from the weather. Roof decks shall be structurally sound, dry, smooth and meet or exceed minimum requirements of the deck manufacturer, local code and CertainTeed.