The good news is that you can wallpaper over textured walls, the not-great-news is that you will have to endure some extra prep work beforehand to make the walls as wallpaper-ready as possible.

Painting textured walls can feel intimidating ... or flaking—you’ll need to sand or scrape it off. Painting over textured wallpaper is also possible, though it’s a bit more challenging.

go over the surface with a damp sponge or cloth and a mild, nonabrasive cleaner. Wait until the wall has dried completely before applying your peel-and-stick wallpaper. When I tested out some of ...