CertainTeed's Flintlastic APP Base T is designed for use as a base sheet for APP modified bitumen roofing systems. It is suitable for use in the construction of various types of membranes for both new construction and reroofing, over a variety of substrates. Flintlastic APP Base T will provide additional strength and improved handling and pliability when used as the first ply over nailable, non-nailable and insulated substrates.
CertainTeed's Flintlastic APP Base T is produced with a high quality fiberglass mat that receives a coating of superior-grade APP modified bitumen compound.
Flintlastic APP Base T is intended for mechanically fastened and heat-weld applications only and should not be exposed to adhesives or solvent-based materials. 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.