Clean the original surface with Phong is dropped or is all the chalk powder (do not use a wire brush) using water.Clean and scrub with a brush, plastic drop leaves the surface dry completely and decorate the surface with capillary cracks before painting.
Clean the surfaces with peeling or blistering paint deterioration powdered chalk out. (Do not use a wire brush) using a clean and scrub with a plastic brush. Allow the surface to dry completely. And a porous surface finishing. Cracks before painting
Clean surfaces with color Phong, peeling, or deteriorate the powder of chalk out (do not use wire brush) using water .Clean and polish with plastic brush Surface exposed to dry and porous surface crack completely painted .