The GL-6400/6800 Sealer/Topcoat System is a 3-Coat System that is tinted and colored using the highest quality, UV absorbing colorants available on the planet! They are then enhanced by the use of additional UV absorbers and stabilizers. It is a fast-drying system that is exceptionally healthy for the environment and can even be cleaned up with water unless, of course, it is dried. When dry, it exhibits barrier properties to the harshest environmental conditions to keep your exterior surfaces beautiful for years to come.