Depending on the type of wallpaper, the glue is applied to the wall or directly to the wallpaper itself. When moving to another canvas, you should wash off all the glue from the surface on which this glue was applied (gender of the room, usually). To apply glue, use a roller. Glue should start applying from the center of the cut -off panel and sequentially move to the edges. When applying liquid wallpaper, it is best to use a spatula or a special sprayer. Wallpaper should be glued. This process is more convenient to do with two people: one sticks, and the other combines the edges of the paintings.