Is It Ok to Plaster over Wallpaper

Can You Plaster Over Wallpaper? Plastering over wallpaper is possible, however in the eyes of the professional decorators – it’s definitely not recommended. The biggest concern when skimming plaster over a wallpapered surface is that wallpaper is very dry, and plaster needs a tacky, adhesive surface to bond to.

What happens when you plaster over wallpaper?

If you plaster over wallpaper the plaster will more than likely fall off the wall because of the weight, moisture and heat of the plaster. You need to remove all wallpaper from the wall and prepare the wall for the plaster with a pva or bonding solution so that the plaster can adhere to the wall properly.

Can you skim coat plaster over wallpaper?

Yes, you can skim coat wallpaper but seal it first with an oil based primer.