If the area of the ceiling in the space of the room is initially covered with whitewashing, but it must be covered with paint, the white whitewashed layer must be removed and preferably completely. If it is not possible to remove the old whitewashing layer, the surface of the ceiling should definitely be primed. In order to get soil, it is necessary to use the usual PVA glue, which is diluted with specialized water on the basis of water. At the same time, it is necessary to withstand the proportion of 2: 2: 06, respectively.