Flintlastic® SA Cap is designed for use as a cap membrane in multi-ply self-adhered systems. It is suitable for use in the construction of various roof membrane assemblies over a variety of substrates. It is intended for use over Flintlastic® SA NailBase, Flintlastic® SA PlyBase or Flintlastic® SA MidPly. CertainTeed Flintlastic® SA roofing membrane is a premium, self-adhering SBS modified bitumen roofing material suitable for use in accordance with CertainTeed specifications for most low-slope roof system applications.