Ram Quick Flash PMMA Membrane is a two-part polymethyl methacrylate membrane designed to be used in a fully reinforced Ram Quick Flash PMMA cold fluid applied roofing system, as well as a flashing material in conjunction with RamTough 250 and/or Black Pearl® Membranes. (Applied before the installation of RamTough 250 and/or Black Pearl.) Due to its UV-stability, it can be left exposed to the elements as a waterproof coating.