87+ What Happens If You Paint Over Wallpaper Glue

Wallpaper glue is water based so when it comes in contact with paint it reactivates causing a sticky smudgy mess.

What happens if you paint over wallpaper glue. You must have the impenetrable barrier of the primer or surface sealer in order to have any success with your painting project. 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.

Not removing all of the glue can decrease paint adhesion and cause paint to crackle. This will cause your paint to never fully adhere to the wall and cure. 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.

Trust me you may think you ve gotten all of the glue but the second you hit the walls with your water based primer or paint it will reactivate any residual glue and you ll see new blobs on your walls.