Grind clean, dry walls in a pre -prepared adhesive composition. If you intend to do renovation, then it must be allowed to completely dry the soil and only after that glue the wallpaper. As you know, the wallpaper is glued with a special wallpaper glue, which, incidentally, often has not only adhesive properties A, and many others, for example, moisture resistance, antifungal stability, antiseptic properties, etc. D.
Apply the adhesive composition to the back of the wallpaper using a round roller, let it absorb (2-3 minutes) then you can attach to the wall-do not forget to carefully smooth the canvas so that there are no waves and flaws after drying out. In the event that you use non -woven wallpapers, the need for collapse will disappear. However, before proceeding to glue them, study all the rules of this work in order to avoid troubles.