First of all, it is necessary to carry out all the dismantling work, for example, such as the blurry of the ceiling from the old chalk (if the stream was originally whitewashed with chalk), the removal of old wallpaper from the surface of the walls, dismantling the old floor flooring, tiles or tiles in the bathrooms. After completing the work done, it will be possible to calculate the approximate consumption of the material that will be required to carry out repairs.