Putty is strong enoughmaterial, so if its application has been carried out in compliance with all the rules, then this coating can serve for a very long time. In some cases, the old putty should be removed from the walls. 
To remove a thick layer of putty, usescraper. This is done when it is crumbling, swollen, damp or cracked. Work to remove it is very laborious and dusty, so you need to know the rules of how to remove the putty. During the repair in all cases from the walls have to remove coatings of various types. It can be whitewashing, painting or putty. The putty is a material that is used for facing surfaces. Its purpose is to level the surface. Its removal can be either complete or partial. 
Before starting work, cover all the furniture with foil. Before the beginning of the repair work, first remove the finishing materials, wallpaper, painting. After this, it is necessary to remove the putty. How to remove the putty? First you need to check the surface, inspect the entire surface. If the putty leaves only in some places or is partially cracked, then the problem areas are cleaned with a scraper. Then these places are covered with a primer and again covered with putty. This process is called resuscitation of the surface. The old coating can not always be removed only in certain areas, for example, if there are many deformations and cracks on the surface, the filler must be completely removed. An excellent way to check the surface for durability is tapping the walls with a spatula handle. If there is a sonorous sound when tapping, it means that the cover holds well. If - on the contrary, then you need to remove this cover.
The technology of removing old putty
Materials and tools:
- scraper;
- putty knife;
- chisel;
- perforator;
- Bulgarian;
- a hammer;
- sandpaper;
- protective glasses;
- protective gloves;
- special clothes.
Before removing the putty from the walls, firstit is eliminated in the usual way with a scraper or spatula. After that, if it is not removed, use a puncher. Before removing the coating, it is necessary to prepare the base of the walls. 
Methods of removing putty: a - Using a paste; b - Using a spatula. First remove the finish and decorative coatings. The base is then prepared. During work, a lot of dust and debris of construction materials are formed, so you need to protect from dirt floor. It needs to be covered with paper or cellophane. Removal is carried out in protective gloves, goggles, clothing for construction work. Then you need to prepare a solution for the treatment of walls. It is performed as follows. First, in a container pour a liter of water, it dissolves 2 tablespoons of potato starch. This solution must be mixed. Then he must stay. After that, the solution is placed in an atomizer, sprayed onto the base. You can also apply the solution with a brush. This solution covers the walls until the surface becomes loose. Only after this, with the spatula begin to remove the putty. When the main part of the layer is removed, it is necessary to process the intertight seams. The treatment is carried out with a hammer and a chisel. Preliminary it is necessary to tap inter-part stitches. In the end, all must be treated with sandpaper to eliminate small pieces. Back to contents</a>
How to remove the putty, if the first method does not help
Materials and tools:
- a hammer;
- chisel;
- perforator;
- Bulgarian;
- sandpaper;
- primer;
- protective glasses, gloves, clothing.
Sometimes it is not possible to remove the putty firstway. Usually this happens if its thickness is more than one centimeter or it was applied long enough. In these cases, you can use a hammer and chisel. It is necessary to apply the chisel to the plane at an angle of 45 degrees, then you need to use the hammer to strike the chisel. 
A paste is prepared from the calculation of two tablespoons of starch onliter of water. It is necessary to start the process from there, where there is the greatest amount of deformation. In this way, you can delete one area after another. If a chisel is not used, it is possible to use a puncher or a Bulgarian. It is necessary to put a blade into the puncher and turn it into the impact mode. First of all, perform a small notch on the surface, then begin to grind the old coating. The puncher or bulgarian should be held so that the blade or disk is parallel to the base. This method can quickly and reliably handle the entire coating. This method is very dusty. Therefore, when performing work, wear protective goggles, gloves and special clothing. Protective goggles during work are necessary to prevent dust from entering the eyes. If dust gets into your eyes during work, rinse them immediately with plenty of clean, warm water. When performing work, it is necessary to ventilate the room. After removing the main layer of filler, sand the whole surface. This is necessary to remove fine coating residues. After that, the base is primed. The primer is selected according to the type of material of the base of the walls. This completes the work on removing the putty. The next coating, leveling the surface, gluing the wallpaper, applying paint or other wall finishing is performed after the completion of these works. Thus, to remove the putty from the walls can be independently by all rules. </ ul>
