Whether you're removing old wallpaper or installing new, you'll need to know how to clean wallpaper glue off walls. A simple solution made from common household items can help remove the glue with minimal effort. For tough adhesive residue, you may need to purchase wallpaper adhesive remover. Either way, you can remove the wallpaper glue and restore your walls to a clean, smooth finish.
Fill a spray bottle with white or cider vinegar, and spray the wallpaper glue completely. Allow it to sit for up to 10 minutes to soften the adhesive.
Dampen a sponge with hot water and wring it out. Scrub the wallpaper glue to remove it. Rinse the sponge with hot water and spray more cleaner onto the walls if necessary.
Fill another spray bottle with 1 part fabric softener and 2 parts water. Spray the solution onto the walls, and scrub the glue with a damp sponge. Rinse the sponge with hot water as you clean.
Rinse the walls with a damp sponge.
Remove tough residue by applying wallpaper adhesive remover to the walls according to the package instructions.