Drythane is a 100% Solids, two component Polyurethane Coating system that contains no solvents, noxious smells and is non-flammable. It has been formulated specifically as a high performance waterproofing membrane. Drythane provides lifelong protection to concrete and other masonry. Once coated, the surface is completely impervious to water. With Drythane, you can create cool green roofs of your dreams with gardens, vegetation, water bodies, swimming pools etc. Applied as a thick film (1.50 ÃÂÃÂ¢ÃÂÃÂÃÂÃÂ 2.00 mm), this premium, high performance product has an expected service life of more than 25 years.