When we bought our used trailer the factory wallpaper was literally falling off the walls. It was very easy to remove. When we pulled off the old paper it left a slightly sticky residue. We are now re...
Once you get it cleaned off and are ready to put up the paper -- I would use a wallpaper adhesive to put up the new paper. The wallpaper paste on the back of the wallpaper will probably not last over time. I have done this in the past and it has worked well with the wallpaper I have put up.