Facade plaster is destroyed both from damage and from moisture. When exfoliating the plaster from brickwork, it begins to swell and break off. It is necessary to knock down the plaster with a hammer or a scarf, which exfoliated, conducting the processing of the damaged area towards entire edges and removing the entire volume of retired plaster. Then they sweep dust, moisten the area that is repaired with clean water and fill the hole with plaster. The holes on the walls with a plastered crate are closed in the same way as on the drywall surfaces. In the case when the drywall of the same thickness as the plastered crate is not available, a new crate is nailed to the racks so that the thin gypsum cardboard is located flush or slightly lower than it.
A falcon with plaster at an angle of 45 degrees is pressed against the wall. Having collected a small amount of plaster to the cell, and moving the kelm from the bottom up, the plaster is applied to the site that is repaired. The cell must be kept to the wall at an angle so that the plaster does not fall out. Plaster, you need to fill out the entire hole. The plaster is leveled along the wall using a wooden rail, in which the wiso are parallel edges, and the length of which exceeds the width of the renovated area. The rail is pressed against the wall and moved from the bottom up, making zigzag -like movements from side to side. To get a flat surface for painting, the plaster must be allowed to dry, then carefully clean it with fine sandpaper, wrapping it around a wooden rail.
Often the plastered walls have damage to the outer angles. To eliminate them, plaster is applied using a spatula. When it grabs, you need to draw a wet finger along the corner, smoothing it, because sharp corners are more easily damaged.