Use caulk or a lightweight spackling compound and putty knife to fill and repair any holes or imperfections.
Prime walls before hanging wallpaper.
Why you should prime walls before hanging wallcovering.
Almost every manufacturer spells out in black and white that in order to hang their product properly the wall must first be primed with a good quality primer.
If the painted walls have holes dents or cracks be sure to fill them with vinyl spackle.
The next step to take before applying primer is giving your walls a good wash.
At the expense of sounding like a broken record we cannot emphasize this enough.
The very first thing you ll need to do before applying primer is ensuring the wall is as smooth as it can be.
Remove excess spackling with the putty knife.
After the spackle has dried completely smooth it with wet sandpaper before applying an acrylic primer.
And when you want to change it the primer will help the wallpaper come down easily leaving your wall intact.
Most people aren t in the habit of reading the instruction sheet that comes in modern wallpaper rolls.
This is why we every paperhanger or decorating professional recommends priming your drywall with primer before hanging up your wallpaper.
This means removing any nails or other protrusions and filling uneven spots cracks and holes with putty.
When you prime your walls beforehand wallpaper is easy to install because the glue on the back stays slightly wet so you can push the sheets into alignment.
Add an acrylic primer and allow that to dry fully before hanging wallpaper.
Then sand your repairs down so that it s even with the rest of the wall.
How to prime your walls.
If your walls are lightly textured you ll need to sand the entire surface lightly before washing and priming.