Can You Paint Over Coloured Wallpaper. In fact paint on top of wallpaper will make it. Oil-based primer or priming shellac covers the pattern and seals the paper against moisture.
In fact paint on top of wallpaper will make it. Painting over the wallpaper may be the better option under these circumstances. However its imperative you carefully prepare the surface.
For starters make sure the seams are glued snugly to the wall.
As long as the underlying paper is adhering tightly to the walls and you disguise the seams the paint job will make the surface look like a regular painted wall. I used it on a mirror I restored to age it and was very pleased with the end result. This occurrence leads to poor coverage requiring the painter to apply multiple coats and ultimately leading to an uneven finish. Can be used under any coloured emulsion.