How to remove old plaster: what you need to know Removing the old layer of plaster is required when there is a large number of cracks, shedding and exfoliation of the coating on the coating. The reason for removing plaster is the appearance of dampness.

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The work is laborious and dusty, so you should decide whether to remove the entire layer or it is enough to clean only individual sections.

Problem areas are partially cleaned for further coating repair. Small volumes of work are performed by a spatula. During the repair work, it will take the use of a primer, which will allow the dust and increase the adhesion of the new composition to the base and a strong layer of plaster.

Large -scale work is performed using a mechanized tool: a grinder, a perforator with a spatula, a drill with a grinding nozzle. Unknown to processing power tools are cleaned by a chisel or spatula. In the process of working with a power tool, a lot of dust is formed, so the furniture and floor remaining in the room must be thoroughly covered with a film.

If the plaster is removed poorly, it is recommended to moisten the surface with a solution of starch in ordinary water. Within 15 minutes, the plaster will become loose and is simply removed by a metal spatula. The strongest layer of plaster is usually in the corners, to clean up these areas, you will need to use a chisel. The remaining putty is cleaned with sandpaper and washed off with warm water.