How-To · · 6 min read · by KB Quality Painting
Key takeaways
- Removing the paper is straightforward; removing the adhesive completely is the actual job.
- Wallpaper hung on unprimed drywall tears the face paper — that damage was pre-existing, not caused by removal.
- Most wallpaper removals end in at least a partial skim coat. Budget for it.
- Painting over wallpaper is defensible only in narrow circumstances, and it's a one-way door.
Why this job has a reputation
Wallpaper removal is the project homeowners most often start themselves on a Saturday and most often call a contractor about on the Sunday. The paper comes off — sometimes in satisfying full sheets — and then three problems appear at once: a sticky adhesive layer that won't wash off, torn drywall face paper in patches, and the discovery that there's a second layer of paper underneath.
None of these are unusual. All of them are why the job takes longer than it looks like it should.
The process, properly done
1. Identify what you have
Strippable vinyl, non-woven, traditional paper, foil, grasscloth and paper hung over oil-primed walls all behave differently. A test patch in a corner tells you how the room will go before you commit to a method — and whether there's more than one layer.
2. Protect the room
This is a wet process. Floors and trim get covered, outlets and switches get taped off, and furniture comes out or gets sealed.
3. Score, if needed
Non-porous papers — vinyl, foil — need scoring so removal solution can reach the adhesive behind them. Scoring is done at controlled depth. Pressing hard with a scoring tool perforates the drywall behind the paper and creates hundreds of small repairs.
4. Soak and strip
Hot water with a removal solution or enzyme product, applied and given genuine dwell time. Patience here saves enormous effort later — under-soaked paper tears into confetti and doubles the work.
5. Remove the adhesive completely
This is the step that determines the outcome, and the one DIY removals skip. Old wallpaper paste stays water-soluble for decades. Residual paste under paint produces a blotchy, tacky surface that never properly cures, and the only fix at that point is to strip the paint too.
The test is simple: wipe the dry wall with a wet sponge. Anywhere it turns slick or tacky, there's still adhesive.
6. Repair
Torn face paper gets sealed and skimmed. Gouges, scoring marks and lifted corners get filled and floated. See drywall repair and skim coating.
7. Prime
With a product suited to what's underneath. Exposed gypsum and torn face paper need sealing before they'll take a topcoat evenly — skip it and those areas will absorb differently and show as texture variation through the finished paint.
Why the walls need skim coating afterward
This surprises people and it's worth explaining clearly, because it often gets mistaken for damage caused by the removal.
Drywall has a paper face over a gypsum core. When wallpaper is hung over primed drywall, the paste bonds to the primer and releases reasonably cleanly. When wallpaper is hung directly onto bare, unprimed drywall — extremely common in homes papered from the 1970s through the 1990s — the paste bonds to the face paper itself. There is then no way to remove the wallpaper without taking some of that face paper with it.
The result is patches of exposed gypsum core. Those can't simply be painted: they absorb moisture from the paint, bubble, and read as a visibly different texture. They have to be sealed, skimmed and sanded flat.
Plan for it. Most wallpaper removals in older homes end in at least a partial skim coat. A contractor who tells you that at the estimate is being straight with you, not padding the quote.
Should you just paint over it?
Sometimes — but the conditions are narrow, and it's a decision you can't easily reverse.
Defensible when:
- The paper is fully adhered with no lifting or bubbling anywhere
- It's smooth, with no texture or embossing
- Seams are tight and flat
- It's a single layer
- The room isn't a bathroom, kitchen or anywhere humid
Even then, seams typically read through the finished paint. Skim coating over the paper first improves that considerably.
Clearly wrong when:
- Any lifting, bubbling or loose seams — paint adds moisture and will lift more
- Textured, embossed or grasscloth paper — the texture stays
- Foil or heavy vinyl — paint won't bond properly
- Multiple layers — instability compounds
- Bathrooms and kitchens — humidity will lift the seams eventually
And the thing to weigh most heavily: removing painted-over wallpaper later is substantially harder than removing it now. The paint seals the paper, preventing removal solution from reaching the adhesive. You are making a decision on behalf of your future self, or whoever buys the house.
What it costs
Wallpaper removal is priced by the hour or by the room, because the variance is enormous — the same square footage can be a half-day or three days depending entirely on what's behind the paper. Expect a contractor to give a range at the estimate and to firm it up after a test patch.
The cost drivers: number of layers, paper type, whether it was hung on primed or unprimed drywall, room size and ceiling height, and how much skim coating is needed afterward. That last item is often the largest share, which is why a quote without it isn't a real quote.
See our wallpaper removal service for the full process, or request an estimate and we'll do a test patch before quoting.