After finishing the room with plasterboard for manythe question arises whether it is possible to glue the wallpaper. Some people think that the wall from the GKL is ideally suited for these purposes: smooth, smooth, does not require additional processing. However, not everything is as simple as it seems at first glance. Glue wallpaper on gypsum cardboard, of course, you can, but not on the finishing material itself. It needs additional protection and treatment. 
The correct order of gluing the room with wallpaper.
Why it is not necessary to glue wallpaper on gypsum board without additional processing
If you do not process the GCR, then later you may experience some problems with the walls: 
Types of wallpaper.
On the sheets there are inscriptions that can come through thin paper wallpaper.
Can stitches between the sheets. This is especially noticeable if you apply liquid wallpaper on gypsum board.
Moisture-proof or fire-resistant material coveredpaper, painted in green or red, respectively. When applying glue, you can make a tone and change the color of any, even dense non-woven wallpaper.
The biggest problems will arise when you remove the wallpaper. Drywall can not be strongly damped, otherwise it deforms. And with a dry wall to remove all the wallpaper is almost impossible. In addition, not only they will be removed, but also paper covering the GCR, and even pieces of gypsum. In the end, most likely, you will have to change the walls. And it's impossible to constantly glue wallpapers with layers.
Important! To avoid all these troubles and work comfortably with the walls, they should be puttied before you glue the wallpaper on the drywall. This operation is inexpensive and not difficult, so do not neglect it. Back to contents</a>
Wall Preparation
To smooth the walls and protect against wetting, the following materials and tools will be needed: 
Scheme of puttying gypsum plasterboard joints.
Acrylic primer for gypsum board.
Primer for paving.
Wide brush or roller.
Reinforcing mesh (sickle).
Starting and finishing putty.
A pelvis, a bucket or other container to guide the solution.
Spatulas: narrow and wide.
Plastic float.
Emery.
The procedure is carried out in several stages:
Pre-priming of walls. It is necessary to ensure better adhesion of putty to the surface, and also serves to prevent the formation of fungus. Typically, the primer is sold in a diluted form and applied with a wide brush or roller.
Seam processing. First, a layer of putty is applied to the joint at the joint and leveled, the surplus is removed. The reinforcing mesh is pasted over and pressed with a spatula. It is necessary to ensure greater strength of the joints. Then after drying, another layer of putty is applied over the mesh, leveled and rubbed.
Wall plastering. First, the wall is covered with starting putty. Finish the top with a thin layer, not more than 5 mm. It has smaller fractions, so as a result, the wall is almost perfectly smooth. The layer of putty serves as an additional protection from both mechanical damages and excessive wetting, it allows to level out the slightest blemishes on the walls. So you can avoid color ripples when it's time to glue the wallpaper on the drywall.
Alignment. When the putty dries, it is necessary to rub it with emery to obtain a surface without the slightest roughness. This is especially important if you plan to finish the liquid wallpaper, because through them you can see the slightest flaws. However, it is necessary to smooth the alignment carefully, since a thin layer of putty is usually obtained on the drywall, it is possible to wipe it very quickly.
Re-primer before gluing the wallpaper. It serves to ensure better adhesion of materials and for the prevention of fungus. The treated walls absorb less moisture from the glue.
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What material can I use?
After plastering on plasterboard walls, you canpaste anything from fleece wallpaper to oilcloth. Everything depends on the choice and wishes of the owner of the apartment, his plans. You can use a liquid wallpaper. The plasterboard wall is suitable for them as well as possible: smooth, with even angles, without protrusions and pits. Here they will look very good. And it will be very easy to apply them. Smooth walls allow you to create patterns from liquid wallpaper on your surface. Thus, the prepared base can be glued wallpaper of any kind. How to glue non-woven wallpaper? Important! You can combine materials. This option is very popular now. Back to contents</a>
The process of gluing
Layers of plasterboard plastering. This procedure is no different from traditional. That is, the wallpaper on the plasterboard is glued like a brick or concrete wall, there is no difference. To carry out the work you will need:
Paper, vinyl or non-woven wallpaper.
The plumb line.
Adhesive for the selected type of wallpaper.
Taz or bucket for glue.
Brush or roller to apply the solution.
Rubber roller for rolling and leveling the wallpaper.
Glue the wallpaper according to the following scheme: 
Rules for gluing wallpaper on gypsum board.
Markup. On one of the walls (with which the wallpaper on the plasterboard will begin to glue), a vertical marking is made.
Guidance of the glue. Usually it is sold in the form of dry mixes. Prepare the solution according to the instructions, following all the manufacturer's recommendations. Typically, the glue takes some time to brew, so it is better to dissolve it in advance.
Slicing of canvases. The rolls are unwound, the required length is measured. Usually it is equal to the height of the wall. It is best to provide an allowance for the length of 5-10 cm, as ceilings and floors are not characterized by evenness. Surplus can be cut off after gluing the wallpaper.
Application of glue. The solution is first spread on the wallpaper strips, it is desirable to fold the webs together with an adhesive side to each other. This will allow them to be nourished, it will be more convenient to work with folded strips. This is especially true if non-woven wallpaper is used. Then the wall is glued with glue. Immediately on the entire surface of the solution is not worth: for 1 or 2 bands. Otherwise, the glue will dry.
Wallpaper gluing. Most of all problems can arise with how to paste non-woven wallpaper, because of their large width. It is better to start from the corner nearest to the window, and finish at the door. The first cloth is taken, its upper edge is bent and stuck under the ceiling. It is advisable to leave a small allowance. The strip gradually unfolds and is leveled on the wall. Movements go from center to edge. After gluing the web, allowances are cut off.
How to glue wallpapers in corners: The first strip is put on an angle of 2-3 cm, on the adjoining wall the same is done. Next, the wallpaper is pressed down, the upper catch is cut off. In the corners it is better to use trimmed cloths.
Thus, the wallpaper on the plasterboard is pasted on all walls.
So, is it possible to glue wallpapers on a wall from the GKL? You can, if you prepare the ground. It is this stage that will occupy most of all the forces and time. But they should not be neglected, because otherwise the walls can turn out to be disposable.
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