Stone is mainly composed of polymer, natural color stone sand and related additives, dry cured as hard as stone, looks like a natural real stone. Lacquer with fire prevention, waterproof, acid and alkali resistance, pollution. Non-toxic, tasteless, strong adhesion, never fade, can effectively prevent the adverse external environment on the building erosion, prolongs the service life of buildings, the stone has the good adhesion and resistance to freezing and thawing; therefore particularly suitable for use in cold area. Lacquer has simple construction, easy to dry and time-saving, convenient construction etc.. According to the physical properties of the surface is the construction material, divided into the sand stone and rock face lacquer two.