The base should provide a solid coup with a plaster solution and hold it for a long time. To do this, on the surface designed for plastering, they make, notch, carefully clean them, and washed with water. If there are hillocks and influxes on the processed surface, then they are cut down. When cutting down, it is necessary to carefully refer to the hog under the ceiling and in the corners of the rooms, so the wiring may be there.














