Start repair of plaster on the walls should be determined by determining its strength. Plaster is tapped in order to identify places where it requires replacement. At the same time, in the places where the plaster holds well, a deaf knock turns out well, and where it is bad – a sonorous. In these places, the old plaster is knocked down and cleaned with a spatula.
After that, befitted the tag of the old plaster so that the new one does not exfoliate. Also do with the remains of wallpaper and glue if they are.
Then the prepared surface is thoroughly moistened with water with a sponge or painting brush.
After that, the place for plastering is filled with a special mixture. It can be purchased in a store, or you can cook it yourself from cement and lime or sand, mixing these components in the necessary proportions.
After the plaster is laid, it is leveled with a spatula. Giving slightly, but not completely, dry the plaster is wiped with a grater. In this case, it is necessary to hardly rub the joints of the old sections with new. The grater must be constant to moisten with water and monitor that the surface is wiped without joints and hollows.
If cracks appear, they are rubbed again. First, they are moistened with water and closed again with plaster, using similar to the previous solution.
It should be remembered that it is impossible to put the walls close to wooden structures. Leave the space somewhere in 3-5 cm and then fill it with gypsum solution. This will prevent the destruction of plaster from expansion or drying of a tree. You can also use special nets for joints for this purpose.
