Step one: regularly for the gypsum ceiling dust, according to the survival of the environment to determine the frequency of dust.
Step two: every two to three years to polish the plaster ceiling, or ask the experts to polish. When you realize that the plaster ceiling has begun to fade, it needs to be polished again.
Step three: repair plaster ceiling on the depth of scratches, experts repair, once the invention to promptly deal with. Quiet tan, with a plaster ceiling ceiling, decorative gypsum ceiling can not be excluded, because its appearance is not coated, and the texture is very deep. If the plaster ceiling is dirty, the pace is to use a vacuum cleaner brush attachment carefully cleaned.