Can You Paint Matt Over Wallpaper. And also consider that while removing wallpaper can be a major hassle removing wallpaper that has been painted over is an even more major hassle. In fact paint on top of wallpaper will make it.
Preparation Before painting your walls make sure that they are clean smooth and completely dry. Contract matte paint also works well if you are painting over lining paper that you have used to cover up textured wallpaper. The vinyl paint has a glossing effect that affects the matt as it dries it compromises adhesion of ths matt and you can get the classic dried up riverbed look So it should be abraded doesnt have to be dry sanded could use wet and dry.
Wallpaper that is already loose ripped or suffers from dampmould should be removed.
If properly prepared you can paint over wallpaper most of the time and it can transform a room But remember that if the wallpaper is damaged or textured that will show up when you paint so removing it may be a better solution. Wipe grit away with a damp sponge and let dry. A couple of coats of paint will provide you with even coverage. Is the wallpaper in good condition.