In order for the glued wallpaper for a long time pleasing the eye after the end of the repair, first you need to correctly prepare the walls.
If there are old wallpaper on the walls, remove them. Try pulling the angle of wallpaper from below, or from above – very old wallpapers will break well. If this cannot be done, soak them with water, and when they completely get wet (after about 15 – 20 minutes), carefully remove them.
Remember, it is better to clean the wall “on dry”, it is undesirable to do this with a spatula, because you can damage the plaster layer. Use better water and gradually soak the wallpaper. Then rinse with warm water and soda the remains of the glue from the surface of the wall and polish it with sandpaper.
And if the walls are whitewashed, you will need to apply more strength to clean them. First moisten the surface with water, then clean the thick layer of whitewashing with a spatula, and then the remaining chalk thin layer just washed off with water. Mel Start to wash off the walls on top with a simple rag, foam sponge or brush.
Be sure to clean the entire wall from the chalk, otherwise the glued wallpaper will lag behind the wall.
In the same way, you need to get rid of adhesive paint, and to make it easier to clean, moisten with a 3% solution of vinegar. You can not remove oil paint, which does not exfoliate and holds well, and if there are exfoliating areas, it is better to clean and align.
After that, you can disguise the spots: close them using patching aluminum foil or cover them with nitrolak. Large holes and cracks smear with gypsum, align and polish the surface with sandpaper.
If you need to glue the wallpaper on a wooden surface, first tighten it with a moistened cloth, fixing it with nails below and at the top. When the fabric dries, it will stretch and protect the wallpaper from deformation.
In case of gaps between the fiber and chipboard canvases, forget them with felt or bags, and then glue them with paper stripes. Then cover with putty and align.
It is also necessary to primed the surface of the wall before gluing wallpaper. To do this, apply a special adhesive composition, which is suitable for the selected type of wallpaper. This priming will help to level the surface, and the wallpaper sheets with the wall will be better.
Also consider that the wallpaper can be glued in a room with an air temperature of no higher than 50C, and the wall should be dry. And yet, while gluing wallpaper, doors and windows should be tightly closed.
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