Plenty of Kitchener-Waterloo homes, especially the ones built or last decorated in the 80s and 90s, still have wallpaper somewhere. Stripping it is a notoriously miserable job, so many homeowners ask the obvious question: can I just paint over it? Sometimes yes, sometimes absolutely not. Here is how to tell the difference and do it properly.
When You Can Paint Over Wallpaper
Painting over wallpaper is a reasonable shortcut when the paper is in good shape: well-adhered with no peeling seams or bubbles, smooth rather than heavily textured, and the wall underneath sounds solid when you tap it. In those cases, painting saves you the mess, dust, and potential plaster damage that aggressive stripping can cause.
This is especially relevant in older KW homes where the wallpaper may be glued directly to plaster. On those walls, stripping can tear up the surface beneath, so a careful paint-over is sometimes the gentler, safer choice for the wall itself.
When You Should Strip It First
Some wallpaper should come off no matter how much you'd rather not. If seams are lifting, corners are peeling, there are bubbles, or the paper is a heavy vinyl or textured grasscloth, paint will only highlight and worsen those flaws. Multiple layers of old paper are also a sign to strip, because the whole stack can let go once it gets wet from primer.
Any sign of moisture or mould behind the paper is a hard stop. Painting over a damp or mouldy wall traps the problem and risks your health. In that situation the paper has to come off, the cause of the moisture addressed, and the wall properly treated before any paint goes on.
Prepping Wallpaper for Paint
Prep is what makes or breaks a paint-over. Start by re-gluing any loose seams and edges so nothing lifts later. Wipe the surface clean of dust and grease, then lightly fill seam lines and any dings with a skim of joint compound and sand them smooth so the seams don't telegraph through the finish.
For a truly flat result, especially on textured or patterned paper, a thin skim coat of compound over the whole wall hides the pattern and gives you a wall that looks painted, not papered-over. It is extra work, but it is the difference between a quick fix and a finish that looks intentional.
The All-Important Primer Step
Never put water-based paint straight onto wallpaper. Latex paint soaks the paper, reactivates the old adhesive, and can loosen seams or bubble the surface as it dries. The essential step is an oil-based or shellac-based stain-blocking primer, which seals the paper without soaking it and gives your topcoat something stable to grip.
An oil or shellac primer also locks in any pattern or ink that might otherwise bleed through, and blocks old stains. Skip this step and you'll watch your fresh paint job blister within hours. It is the single most important part of painting over wallpaper.
Painting for a Smooth Finish
Once the wall is primed and fully dry, painting proceeds like any wall: two coats of quality wall paint for even colour and durability. A flat or matte sheen is forgiving and helps disguise any slight texture from the paper underneath, where a higher gloss would catch light and reveal every seam.
Work methodically and keep a wet edge so the finish levels evenly. Done over proper prep and primer, a painted-over wall can look completely smooth, with no hint that there is wallpaper beneath it.
One honest caveat: painting over wallpaper makes future removal harder, because you'll be stripping paint and paper together. If there's any chance you or a future owner will want bare walls down the road, factor that in now. For many KW homeowners the time saved today still wins, but it's a trade-off worth making with eyes open.
Get an Honest Assessment First
The hardest part is judging whether your wallpaper is a paint-over candidate or a strip-it-first job, and getting that call wrong wastes time and money. An experienced eye can tell quickly by checking adhesion, texture, layers, and any signs of moisture behind the paper.
D&D Interior Services handles both wallpaper removal and paint-overs for homeowners across Kitchener, Waterloo, Cambridge, and Guelph, and we'll tell you honestly which approach your walls actually need. Book a free consultation and we'll assess your wallpaper before any work begins.