Putty is called paste or powder from a mixture of chalk, gypsum and astringent. Used when leveling walls and other surfaces. And during repair work it is necessary to clean the walls of the old putty layer. In order to make high -quality cleaning you will need a grinding machine, spatula, chisel, coarse -grained sandpaper and starch. Unnecessary newspapers, film and roller will also come in handy. The process of removing the old putty layer is simple, but at the same time very dusty and dirty. Therefore, it is advisable to start working in a mask and gloves, remove furniture, and cover the floors with old newspapers.