Wall putty are for indoor and outdoor concrete wall base leveling, smoothing, and fineness, to cover the unevenness and micro pores in plastered surfaces and to make the walls/ceilings ready for paint ing, there are base coat and skim coat wall putty, both have strong cohesive force with base plane and paint primer. When use, add water only, stirring to be an appropriate and consistent paste form, then apply the mixed paste on the wall by spray gun evenly, smooth and level the wall putty skim coat layer by scraper. The base coat wall putty can be applied to level the cement concrete base and old mosaic wall directly.