CertainTeed FlintPrime SA is a quick-dry, easy to apply, water-based primer used to prepare surfaces and promote adhesion when installing self-adhering roofing membranes such as Flintlastic SA. FlintPrime SA primer is suitable for use over wood, plywood, gypsum board, metal and concrete surfaces. FlintPrime SA primer is a ready to use, light-bodied coating that seals pores and creates a sound, adhesion-promoting surface. Blue color; dries transparent.