Wallpaper seams separate and curl away from the wall over time, vinyl wallpaper can begin showing signs of age at the seams also. Fixing the wallpaper seams can be difficult and the results disappointing if proper steps are not taken to fix the problem correctly. Follow these simple steps to repair vinyl wallpaper seams.
Work all the way down the wall applying sealer to the entire seam using the paintbrush.
Begin at the top of the seam and place a piece of painter's tape directly on top of the seam.