120 What Happens When You Paint Over Wallpaper Glue

Primer can actually save you money.

What happens when you paint over wallpaper glue. If you decide to paint over any type of glue that s left on the wall from wallpaper you can expect to see cracks and chipping paint down the road that will easily fall off the wall with a brush of your hand. Wallpaper glue is water based so when it comes in contact with paint it reactivates causing a sticky smudgy mess. You must have the impenetrable barrier of the primer or surface sealer in order to have any success with your painting project.

Not removing all of the glue can decrease paint adhesion and cause paint to crackle. These products do a few things first of all they seal in any residual glue. Most wallpaper removal projects will leave some wallpaper glue residue on the wall.

The walls will often require slight repairs prior to repainting them.