Painting Over Wallpaper: When It's Acceptable and When It's Not

Painting over existing wallpaper avoids difficult removal but has real trade-offs. Here's an honest guide.

Colour Selection and Planning

Painting over wallpaper is tempting when removal seems too difficult. In some circumstances it's acceptable; in others, it creates problems that show up immediately or within a few months. Understanding the trade-offs makes the right decision clearer.

When painting over wallpaper might be acceptable: the wallpaper is firmly adhered with no loose seams or bubbles, it's a single layer on a proper wall substrate (not multiple layers), and the seams are flat and tight. Under these conditions, painting can produce acceptable results.

Preparation Is Everything

Seam management is critical. Even firmly adhered seams may telegraph through paint, particularly under raking light. Seams must be re-glued where loose, dried thoroughly, then skim coated with joint compound and sanded before painting.

Sizing (applying a layer of diluted adhesive) before priming helps control the moisture expansion that can cause wallpaper to bubble when exposed to latex paint. Sizing reduces moisture absorption.

Professional Results That Last

The long-term problem: eventually, wallpaper must come off. Every additional layer of paint over wallpaper makes future removal more difficult and more damaging to the drywall beneath. Painting over wallpaper is deferring, not solving, the problem.

When removal is necessary: more than one layer of wallpaper, wallpaper over bare drywall (any moisture will damage the drywall paper face), bubbling or loose wallpaper, or textured wallpaper that will show through paint — all indicate removal is the better path.

Professional wallpaper removal involves scoring, wetting with a wallpaper removal solution, and careful peeling to preserve the drywall face. Properly executed removal leaves a surface ready for priming and painting after drying.

Devon Moore, Operations Lead Co-Founder & Operations Lead — D&D Interior Services

Devon Moore is the co-founder and Operations Lead at D&D Interior Services, delivering kitchen renovations, bathroom renovations, flooring, and interior upgrades across Waterloo Region.