Wallpaper removal has a reputation for being one of the trickier DIY jobs, but it becomes far more manageable once you understand how wallpaper is constructed and how the adhesive behaves. With the right approach, you can avoid unnecessary damage and make steady progress.
What should I avoid when removing wallpaper?
It is best to skip steamers and scoring tools. Steamers can soften plasterboard too much, and scoring tools often tear into the surface of the wall. Both can leave you with repairs that take longer than the stripping itself.
What makes some wallpaper easier to remove than others?
Your experience depends largely on what lies beneath. If the previous installer primed the wall or painted it before hanging the paper, the adhesive will release more easily. If the wallpaper was applied directly to bare plasterboard, expect a slower and more delicate process.
How is wallpaper constructed and why does that matter?
Wallpaper usually has two layers. The top layer carries the print and may include vinyl or a protective coating. Beneath that is the backing layer, which holds the adhesive. Water cannot reach the adhesive until the top layer has been removed, so the first task is always to separate that upper layer from the backing.
How do I remove the top layer of wallpaper?
Start by wetting the surface with warm water using a sponge. This softens the fibres and helps the top layer come away in larger pieces. Use a stiff putty knife to gently lift an edge, then pull the top layer off by hand. Work carefully so you do not gouge the plasterboard. You may notice the paper comes away more easily in one direction than another, much like fabric with a nap. Also modern non-woven wallpapers, such as the ones I sell, are designed to come off much more easily and often come off in one uniform strip.
What should I do once the wallpaper's backing layer is exposed?
The backing will cling to the wall until the paste is reactivated. Soak it repeatedly with warm water, moving between areas so each section has time to absorb moisture. Once the paste softens, the backing will begin to release. Sometimes it peels off in sheets, but more often it comes away in smaller pieces. Use the putty knife only when necessary and keep your pressure light to avoid damaging the wall surface.
What if the wall was not primed/painted underneath the wallpaper?
If the wall was never primed, the backing may cling stubbornly and the plasterboard may tear in places. This is frustrating but fixable. Take your time, keep the wall damp, and accept that you may need to repair small areas afterwards. Everything will come off eventually with patience.
Are some modern wallpapers easier to strip?
Yes. Many non woven wallpapers are designed to peel away cleanly in one piece. Some heavy vinyls with a woven backing can also be removed with gentle downward pulling. If the backing separates, simply treat it like any other paper and continue with soaking and lifting.
How long should wallpaper stripping take?
It is rarely a quick job. A small cloakroom or powder room can take most of a day to strip properly. Rushing increases the risk of damaging the wall, which ultimately adds more time and effort.
How do I clean and prepare the wall once the paper is off?
Wash the entire surface with clean water and a sponge to remove any remaining paste. If the original wallpaper paste was applied very thickly, you may even have to scrape the wall with putty knife to remove the paste - a bit like removing excess butter of toast. Rinse frequently so you are not spreading residue around. Any torn areas or gouges should be sealed with a product like PVA glue, patched with joint compound and sanded smooth once dry.
What should I use if I plan to paint afterwards?
If you are painting the wall, either you need to really wash it well, or you must seal any leftover paste with a stain blocking primer. Oil based KILZ Original or shellac based BIN are reliable choices. They prevent any residual paste from reacting with the paint, which can otherwise cause crackling or peeling. These primers can splatter, so protect your floors and ventilate the room well.
What should I use if I plan to repaper the room?
If you are hanging new wallpaper, choose a primer specifically designed for wallpaper. These create a stable, sealed surface that makes future removal far easier and helps the new paper adhere evenly.
April x