Often, for wall finishing, consumers choosewallpaper. After all, the assortment of this decorative material in stores is great. Wallpapers are of different colors and textures, differ in price and material. But that the coating served for a long time and pleased the eyes, it is necessary to properly prepare the walls for wallpapering. 
Before you paste new wallpaper you need to removeold and prepare the wall. The most crucial point in repair is the preparation of the walls before gluing. If you follow the instructions, you can achieve a remarkable result. Since repairs are done in new buildings, in old wooden blocks and wooden houses, it is worth remembering that the preparation of these surfaces is different and has certain characteristics.
Preparing walls in a new building
Often, the owners of new apartments believe thatyou will need a minimum of effort and investment during the repair. But the quality of finishing modern apartments is far from perfect, so you will have to be patient and buy the necessary materials. Prepare the walls for gluing in a newly built house can be in 3 stages:
Spray is a liquid plaster, which is applied to the wall by a layer 3-9 mm thick. 
In the new building, the walls are sprayed andprimer. It depends on the original flatness of the concrete surface. The solution is very elastic and has a consistency of thick sour cream. This allows you to hide the roughness, cracks and other irregularities. When the spray completely dries, you can proceed to the second stage - priming. The basic plaster is usually applied with a layer of no more than 6 mm. But with uneven walls, you can repeat the priming several times. The final stage is the covering - this is the application of the finish primer to the concrete base. The thickness of this layer is 2-3 mm. To smooth the surface, it is necessary to treat it with fine sandpaper. Back to contents</a>
Repair in the old house
It will be more difficult to prepare concrete surfaces forwallpaper gluing in the old house. After all, in the beginning it will be necessary to remove the old coating. Some use for these purposes a special wash for wallpapers, but you can do with improvised tools. To remove old wallpaper from the wall you need: 
Removal of old wallpaper is done with a spatula and water.
- putty knife;
- water;
- atomizer or roller;
- vinegar or dishwashing detergent.
To wallpaper better away from the wall, you need toFirst, wet them thoroughly with hot water from a spray gun or a wet roller. When the paper is soaked, you can safely remove it with a spatula. Vinegar or any crockery will help dissolve the glue, thereby facilitating the work. These compounds should be immediately added to the water. If earlier the walls were painted, it must also be carefully removed. Water-based paint should be washed off with plain water or applied a special primer on which the wallpaper will fit perfectly. Back to contents</a>
Removing paint from walls
Paint from the walls are removed with a spatula or specialattachment to the drill. If the wall is enameled, you need to remove the spatula and sand it with a spatula. It happens that the paint does not leave the wall, then you will have to resort to the help of a construction hair dryer. It heats the paint, which can then be removed with a spatula. There is also a special wash for solvent based formulations. But in no case it is impossible to proceed to gluing the wallpaper without carrying out the above described stage. After the wall is cleaned of paint, it is necessary to carefully sand the surface and apply a putty on it. It is she who will hide all the roughness and roughness. Then follow the steps that are carried out in a new building to prepare the base for wallpapering. After applying the finish plaster, wait until the substrate dries completely. Sometimes, before you start to wallpaper the wallpaper of a thin material, cover the wall with a special white or tinted primer. In this case, the surface will not shine through. If the walls are covered with plasterboard, plastering is not required. It is only necessary to close the joints of the GKL with a special tape and proceed to gluing the wallpaper. As already mentioned above, if the wallpaper is thin, you will need a preliminary primer. In this way, you can easily understand how to prepare the walls for wallpapering. All the stages of the process are very simple, but they require time and physical strength. If the surface is prepared correctly, the wallpaper on it will lie just perfectly and will serve for a very long time.
