How to Remove Wallpaper Glue From Drywall
- 1). Place drop cloths or sheets below the wall
- 2). Mix 1 cup of vinegar and 1 gallon of hot water in a large paint tray.
- 3). Apply the vinegar-water mixture to the wall with a roller and an extension pole. The roller should be slightly damp. Use an up-and-down motion with the roller.
- 4). Allow the mixture to sit on the wall for a few minutes and repeat Step 3. The wallpaper should become darker.
- 5). Gently scrape off the wet wallpaper with a drywall knife. Try to start at a steam in the wall.
- 6). Wet the wall again and scrape it as needed until it is all removed.
- 7). Apply a solution of warm water and trisodium phosphate (TSP) to the wall. You may also mix hot water and 1 large tablespoon of baking soda or 4 tablespoons of fabric softener. Apply with a hand sprayer.
- 8). Allow the solution to sit on the wall for a few minutes.
- 9). Remove the glue residue with a paint scraper and a sponge or cloth.
- 10
Allow the wall to completely dry. - 11
Sand remaining dried areas of glue with a pole sander and 100-grit sandpaper.
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