No More Shrinking or Expanding One of the common issues with paste the paper wallpaper is that it can shrink or expand as it dries, causing gaps between strips or misalignment of patterns. With paste the wall wallpaper, this problem is eliminated. Since the adhesive is applied directly to the wall and the wallpaper remains dry during installation, it does not stretch or change shape.... https://www.arthouse.com/blogs/how-to/a-step-by-step-guide-of-how-to-hang-paste-the-wall-wallpaper