Mix the overlap paste to a smooth consistency.
Dip your pasting brush into the overlap paste and brush in onto the section of the wallpaper that is peeling. This will wet the paper and make it sticky. Do not dampen it yourself; the glue will do that.
Remove the access overlap paste with a scraper. Drag the blade of the scraper across the edges of the wallpaper slowly and gently so the wallpaper does not tear.
Smooth the wallpaper into position and removing bubbles and creases using a paperhanging brush.
Squeeze caulking along the top and bottom skirt of the wall, as will give it a professional looking finish.