When a paint is vinyl it means that there has been a certain resin added to the paint.
Emulsion paint on vinyl paper.
Depending on your surface you may need to use an undercoat.
Silk emulsion is the most durable and handles high moisture areas better than the other two but its glossiness tends to draw attention to imperfections on the surface.
If you want to paint your wall without removing the vinyl wallpaper you need to alter the integrity of its surface.
This will allow the paint to dry properly and it prevents the paint from peeling.
If you are painting onto vinyl wallpaper you will need a coat of multi surface primer to create a base for the paint to sit on.
Vinyl matt emulsion is a little different from non vinyl paints.
But like other wallpapers vinyl wallpaper can be difficult to remove.
Typically you will need around three coats of emulsion.
Emulsion paint comes in three different finishes.
Vinyl wallpaper is far less porous than wallpapers made from paper or fabric.
Vinyl paper cant be painted over succesfully as emulsion is water based and needs to penetrate into the surface to adhere and it cant on vinyl using pva as was suggested isnt advisable either as you leave an inpenetrable surface with this the only option open to you if you dont want problems is to strip the paper off thre is a product called zinseer bin which will give the paint a key but the.
If you are painting over a strong colour crown basecoat will prevent it from showing through the finished job.
While it is available in the same variety of colours vinyl matt is more hard wearing and resistant to damage.
Dark or heavily patterned vinyl wallpaper will need multiple coats of emulsion.
Matte emulsion hides imperfections well but soft sheen emulsion is more durable.