How to Remove Wallpaper Without Damaging Drywall
Removing old wallpaper is the home task most likely to wreck the drywall underneath if you skip the prep. The safe method, step by step: score, soak, peel, repair.
Quick answer: To remove wallpaper without damaging drywall, score the paper with a perforation tool to let water through, then spray it heavily with hot water mixed with fabric softener or wallpaper stripper. Wait 15 minutes for the water to dissolve the paste underneath, then gently slide a plastic putty knife at a low angle to lift strips off. Never use metal, it gouges drywall. Re-soak any sections that resist rather than scraping harder. Wash off remaining paste with soapy water before priming for paint.
If a previous owner papered a room in 1987 florals and you’re finally about to do something about it, take a breath before you start scraping. Removing wallpaper the wrong way tears up the drywall paper underneath, leaving you with hours of patching and skim-coating. With the right approach, patience, hot water, the right tools, you can remove wallpaper without damaging drywall and have a paint-ready surface by the end of a Saturday.
My buddy Devon bought a fixer-upper out near the lake a couple years back and called me on a Tuesday saying, “I need help, I’m losing my mind, there are roosters.” The dining room was wrapped floor to ceiling in wallpaper covered in roosters and little kitchen herbs. I drove out Saturday with a steamer, plastic scrapers, drop cloths, and a cooler. We fired up the steamer, held the plate against a corner for thirty seconds, and a whole sheet came off in one piece, glue and all. Devon actually whooped. By two we’d done two walls. By four we were sweating, sticky with old paste, beers half-warm. The roosters went to the curb in a black contractor bag. Patience and steam, in the right order.
People try to scrape it off dry and end up gouging the drywall to ribbons. Don’t.
What You’ll Need
- A plastic drop cloth (essential, this gets wet)
- A scoring tool (“PaperTiger” or similar, about $7)
- A garden sprayer or large spray bottle
- Hot water and either fabric softener or wallpaper stripper concentrate
- A 4-inch plastic putty knife (NOT metal, metal gouges drywall)
- A bucket
- Old towels or rags
- TSP cleaner or dish-soap/water mix
- Painter’s tape and plastic sheeting (to protect outlets and trim)
- A cooler with cold drinks. You’ll be sweating before noon.
Resist the urge to use a metal scraper. It feels faster, it isn’t, and it will leave divots in your wall that take twice as long to fix as the wallpaper does to remove properly.
Step 1: Figure Out What Kind of Wallpaper You’re Dealing With
Before you do anything, test a corner.
- Strippable wallpaper, newer paper. Lift a corner with your fingernail. If it peels off in big sheets, you’re in luck. Pull slowly at a low angle and it may all come off dry.
- Vinyl-coated or non-strippable, won’t lift dry. Most older wallpaper is this. Continue with the scoring and soaking method below.
- Wallpaper with a backing left behind, if the top decorative layer peels off but a paper backing remains, that’s normal. Treat the backing the same way: score, soak, scrape.
Step 2: Prep the Room
- Take everything off the walls, pictures, switch plates, vent covers.
- Lay plastic drop cloths along the base of every wall you’re working on. The runoff is real.
- Cover electrical outlets with painter’s tape and small pieces of plastic. Water and outlets don’t mix.
- Turn off power to outlets in the room at the breaker, just in case.
Step 3: Score the Wallpaper
The scoring tool creates hundreds of tiny perforations in the paper without damaging the drywall behind it.
- Roll the scoring tool over the wallpaper in random patterns, circles, figure eights, covering every section.
- Moderate pressure. You want to perforate the paper layer, not gouge the wall.
- Score one wall at a time, don’t score everything, or it’ll dry out before you can work on it.
Skip scoring on strippable wallpaper that’s peeling cleanly. You only need this for stubborn paper.
Step 4: Soak the Paper
Mix your removal solution in the sprayer:
- Easy mix: hot water + 1/4 cup fabric softener per gallon. Old painters’ trick, the softener keeps the paste from re-setting while you work.
- Stronger mix: hot water + wallpaper stripper concentrate (DIF and Zinsser are common brands), follow the bottle’s ratio.
Spray a section of the wall (about 4×4 feet) heavily, soak it. The water seeps through your scored perforations and dissolves the wallpaper paste underneath.
Wait 15 minutes. Walk away. Make a sandwich. This is the most important part, let the water work.
Spray the section again. Wait another 5 minutes.
Step 5: Scrape
With your plastic putty knife held at a low angle (about 30 degrees from the wall), gently slide it under a corner of the wet wallpaper. If you’ve waited long enough, large strips will lift right off, sometimes a whole sheet at once, glue and all.
If it tears or fights you, stop and re-soak. The water hasn’t worked yet. The wall is unforgiving, once you make a gouge with a scraper, you’ve added work.
Move horizontally across the wall. Some sections will lift cleanly; others will need a third spray.
For stubborn spots, drop your putty knife angle so it’s almost parallel to the wall. You’re sliding underneath the paper, not digging into the wall.
Get into a rhythm. Spray, wait, scrape, repeat. By the time you’ve done two walls, you’ll have the routine down.
Step 6: Remove the Paste Residue
Once the wallpaper is off, your walls are coated in old, sticky paste. You can’t paint over it, paint won’t adhere properly.
- Make a bucket of warm water with a few squirts of dish soap (or TSP cleaner for heavy residue).
- Sponge the entire wall, rinsing the sponge often.
- Wipe with a clean towel.
- Let the wall dry completely, usually 24 hours.
Run your hand over the wall when dry. If it feels tacky, scrub again. Smooth and clean = ready for primer.
Step 7: Patch and Prime
Even with perfect technique, you may have a few small spots where the drywall paper got slightly torn. Patch them with a thin coat of joint compound, let dry, sand smooth. If the damage is scattered across a large area, skim-coating the full wall and retexturing is usually faster than patching dozens of individual spots.
Before painting, apply a coat of primer designed for surfaces with paste residue, Zinsser Gardz is the standard. Regular primer won’t seal residual paste, and you’ll get bubbles in your new paint.
Common Mistakes to Avoid
Using a metal scraper. Feels faster for the first 30 seconds, then you make your first gouge. Stick with plastic.
Skipping the scoring step. Without perforations, water can’t get behind the paper. Most “stuck on” wallpaper is just under-perforated.
Not soaking long enough. 15 minutes minimum. If the paper tears, the wall hasn’t soaked enough. Spray again, wait, try again.
Skipping the residue cleanup. Painting over old paste is a guarantee of bubbling, peeling paint. Wash the wall.
Tearing off chunks of drywall paper with the wallpaper. This happens when you’re scraping too aggressively or working dry. If the surface paper of the drywall lifts with the wallpaper, you’re going too hard.
Frequently Asked Questions
Should I rent a steamer? For a single small room, no, the sprayer method is faster and less hot. For a whole house of stubborn old wallpaper, yes, a steamer is worth it ($30/day rental). Steam softens even the most stubborn paste, fire it up, hold the plate against a corner for thirty seconds, pull. Whole sheets come off in one piece.
My wallpaper has multiple layers! Common in old houses. Remove them one at a time. Sometimes the lower layers come off easier once the top is gone.
Can I just paint over wallpaper? You can, but seams will show, edges may peel, and any moisture in the room can cause the whole thing to bubble. Removing it properly is the longer-term answer.
What if the drywall paper tore? Lightly sand the torn spot smooth, apply a thin layer of joint compound, sand again. Skim-coat the larger torn areas. Then prime everything.
How long does it take to remove wallpaper from a whole room? A bedroom: 4-6 hours of working time, plus drying. A small bathroom: 2-3 hours. Plan a full weekend for a big room with stubborn paper. A whole dining room of rooster-print florals is a full day with one person, half a day with two.
What if my wallpaper has been painted over? Painted wallpaper is the hard case. The paint layer seals the surface and blocks water from reaching the paste underneath, so the standard score-and-soak takes much longer to work. Score more aggressively with multiple passes, use wallpaper stripper concentrate rather than fabric softener, and wait 20 minutes after soaking instead of 15. Then score again through the softened paint layer and apply a second coat of stripper. The moisture eventually gets through, it just takes two to three times as long as unpainted paper. Expect more drywall paper damage underneath too, since the paste has often bonded hard under years of paint. Once stripped, skim-coating the entire wall is usually faster than patching the torn areas one at a time.
Removing wallpaper is the project that breaks the most patience. It’s slow. It’s wet. You’ll smell like wallpaper paste for the rest of the day. At some point you’ll think “I should have just painted over it.” But the right way, score, soak, wait, scrape, clean, leaves you with smooth drywall ready for whatever color you’ve been dreaming of. The shortcut leaves you with a wall full of patches and a much bigger weekend.