Smoothing Over Holes and Bumps

The artwork and hanger have been removed, but this wall anchor remains in the drywall . It will leave a bump under the new wallpaper . I removed it from the wall. That left a hole that will leave an indention under the new paper .

Here I’ve collected a bit of joint compound (we call it mud ), a plaster -like substance that’s used for installing drywall , as well as for patching holes and smoothing textured walls (called skim-floating or skim-coating )

Here it is applied over the hole.

To speed the drying process, I use my heat gun .

Using a sanding sponge to smooth it.

Wiping dust off with a damp sponge . Important, because neither primer nor wallpaper paste will adhere to dust .
After this dried , I primed over this area and the whole wall with wallpaper primer . I like Roman Pro 977 Ultra Prime .
Now the wall is ready for wallpaper, with no worries that bumps or dips will show through .

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