How to Remove Wallpaper Glue from Drywall
It can be a very difficult chore to remove wallpaper glue from drywall. Here are a few ways to make the job easier.
Step 1 – Prepare a Solution
There are a few ways to remove wallpaper glue and residue. The first method involves mixing a solution of one tablespoon of baking soda and 4 tablespoons of fabric softener in one quart of warm water. An alternative method is to mix a solution of Tri Sodium Phosphate (TSP) with hot water.
Step 2 – Apply Solution to Wall
Transfer either of these solutions to a spray bottle or garden sprayer and apply to problem areas as necessary.
Step 3 – Scrape off Glue
After letting the solution sit for a few minutes, gently remove the glue with a broad knife or paint scraper. Re-apply the solution to any resistant spots and repeat the process.
Certain types of old wallpaper glue may prove extremely difficult to remove. In this case, you may wish to use a sander and drywall mud to even out the texture of your drywall. Since this process is very involved and more time consuming, always start by applying removal solution to the glue to see if it will come off without further intervention.