How to Remove Wallpaper and Prep Walls for Paint

Move furniture out or to the center of the room and cover with canvas drop cloths. Wet wallpaper scraps fall constantly — they'll stick to a plastic drop cloth and create a tearing mess when you lift it. Canvas absorbs the moisture. Tape plastic sheeting over electrical outlets, switches, and any wall-mounted thermostat. Turn off the breaker for the room you are working in — water + scoring tools + outlets is a real hazard. Set a 5-gallon shop vac near the work area for periodic cleanup of wet wallpaper bits.

A Paper Tiger (or any branded wallpaper scoring tool) is a small palm-sized disc with downward-pointing pin teeth. Press it lightly against the wallpaper and move it in small circles to create thousands of pinprick holes across the entire surface. Cover every square inch of wallpaper to be removed — these holes let the stripper reach the paste. Press LIGHTLY — too much pressure and the pins dig into the drywall face beneath, which you will have to skim-coat later. The pin holes are invisible after painting.

Pour DIF Gel (or equivalent) into a pump sprayer or spray bottle. Spray a generous coat onto the scored section — the gel should visibly cling to the wall, not run down it. If it runs, switch to a thicker product. Let it sit for 15 minutes — set a timer. This is when the chemistry dissolves the adhesive. Cutting this short is the #1 reason wallpaper removal takes a whole weekend instead of an afternoon. While the first section soaks, score the next section so you stay productive.

After the 15-minute soak, slide a 4-inch stiff putty knife under a corner or seam and lift. Properly soaked wallpaper comes off in sheet-sized pieces with light pressure. Tiny tearing or stubborn spots mean either insufficient soak time or insufficient scoring — re-spray and wait another 10 minutes. Hold the knife at a low angle (almost parallel to the wall) to avoid gouging the drywall face beneath. Pull strips down at about 45 degrees away from you as you scrape upward.

After the bulk paper is gone, the walls will feel sticky — that is leftover adhesive paste. Mix hot water with a small amount of liquid dish soap (Dawn works great) in a clean bucket. Wipe down every wall with a sponge or microfiber rag, rinsing the sponge frequently. The water turns cloudy as the paste dissolves. Repeat with fresh hot water until the walls feel completely clean and slightly squeaky. Run your hand across after — any tackiness means more paste, more washing.

Once the walls are completely dry (allow 4-12 hours depending on humidity), run a 220-grit sanding sponge lightly across the entire surface to knock down any rough patches or raised paper fibers. Use spackle (DAP Drydex or similar) to fill any small gouges or pinprick depressions left by the scoring tool. Apply with the narrow 1.5-inch putty knife, smooth flat, let dry per the package, then sand the patches flush with 220-grit. Wipe everything down with a slightly damp microfiber.