Removing old wallpaper without damaging the wall underneath
The Abimeister team · Updated · 5 min read
Old buildings in Tallinn tend to hide several generations of wallpaper on the same wall, sometimes painted over, sometimes glued straight onto plaster that has gone soft with age. Before you paint or tile, that layer has to come off cleanly, and the wall underneath has to survive the process. The method depends on what kind of wallpaper you have and what condition the plaster is in, which is why testing a small patch first matters more than any tool you buy. This guide covers assessment, tools, testing, the actual work, steaming, and when to call it in.
What you are dealing with: assessing the wallpaper type first
Vinyl and washable wallpapers have a plastic top layer that resists water, so soaking does very little until you break through it first. Paper wallpaper, common in older flats, usually softens quickly once wet. Woodchip and textured papers sit somewhere in between and often come away in stubborn small pieces rather than sheets.
In a 1930s wooden house in Kalamaja or Nõmme you may find lime plaster under several layers of paper, sometimes with newspaper glued on as an old form of lining. Lime plaster is softer than modern gypsum plaster and marks more easily. In a Soviet-era panel flat the wall is more often a sand-cement or gypsum render, tougher but not indestructible.
Run a hand over the surface and press gently in a corner. If the wallpaper flexes and the wall behind feels solid, ordinary stripping methods should work. If the surface crumbles, flakes, or feels damp and soft, treat the whole wall as fragile before you start.
Tools and materials you will need
Most of what you need is inexpensive and reusable, so buying rather than hiring makes sense even for a one-off job. A scoring tool saves far more time than it costs, because it lets water and stripping solution reach the glue through vinyl or painted layers.
Wallpaper stripping solution or a strong washing-up liquid solution in warm water both work; the solution is faster but not essential. Keep dust sheets down, because wet wallpaper glue drips and stains skirting boards and flooring.
- Wallpaper scoring tool or a stiff-bladed serrated scraper
- A wide, flexible scraper (around 10 cm) with rounded corners
- A garden sprayer or sponge and bucket of warm water
- Wallpaper stripping solution (optional but speeds things up)
- Dust sheets or old towels for the floor and skirting
- Rubber gloves and a stepladder
- A steam wallpaper stripper, if the walls suit steaming
How to test a small patch before tackling the whole wall
Choose an inconspicuous corner, roughly the size of your hand, ideally somewhere that will later be hidden by furniture or a light switch plate. Score it lightly, wet it, and leave it for the time stated on your stripping solution or around ten to fifteen minutes for plain water.
Try to lift the wallpaper with the flat scraper at a shallow angle, pushing rather than gouging. If it comes away in reasonable pieces and the plaster underneath stays intact and dry to the touch afterwards, the rest of the wall will likely behave the same way.
If the plaster lifts with the paper, turns to mush, or you can see the scraper leaving grooves, stop. That is your answer for the whole wall, not just that patch, and it changes what you should do next.
The method: scoring, soaking, and scraping in order
Work in sections roughly one metre wide so the water does not dry out before you get to it. Score the surface in a crosshatch pattern with light pressure, enough to perforate the top layer without digging into the plaster beneath.
Apply water or stripping solution generously with a sprayer or sponge, then wait. This is the step people rush, and rushing is the most common mistake: attacking wallpaper before it has properly soaked tears the paper, leaves the backing glued on, and drags plaster off with it.
Once the paper darkens and starts to bubble away from the wall, work the scraper underneath at a low angle and push forward in the direction the paper lifts naturally. Reapply water to any stubborn patches rather than forcing the scraper harder.
When a steamer helps and when it does more harm than good
A steam stripper is worth it on multiple stubborn layers, on woodchip, or on vinyl paper where you have already scored through the top coat. The steam plate is held against the wall for a short time, moved along, and the softened paper follows behind with a scraper.
Steam is a poor choice on lime plaster and on old lath-and-plaster walls, because the heat and moisture penetrate further than a sponge or sprayer and can loosen plaster that is only marginally attached to the wall behind it. It is also unsuitable near old wiring or damp-prone external walls, where added moisture is the last thing the wall needs.
If your test patch showed the plaster was sound, steam on a paper-only wall is efficient. If the test patch was borderline, use water and patience instead; slower is safer on a wall you are not sure of.
When to leave the wall alone and call in a specialist
If your test patch pulled plaster off in chunks, or the wall feels damp, soft, or hollow when tapped, further stripping by hand will likely make the surface worse rather than better. That points to a repair job before any wallpaper comes off, not a bigger scraper.
The same applies to walls with visible cracking, bulging, or a history of damp, where stripping wallpaper can reveal problems that need proper assessment rather than DIY persistence. We do not touch load-bearing walls, and any structural concern should go to a specialist for that reason.
Once the wall is stripped and sound, we handle the finishing work: painting and decorating from 12 € per job, or wallpapering from 10 € per job if you are putting new paper straight back up.
Test a small patch first: if plaster comes away with the paper, stop stripping and deal with the wall before you deal with the wallpaper.