Substrates and preparation

Deciding whether old wallpaper can stay or has to go

Steam stripper being used to lift old wallpaper from a plastered wall

Not every wallpapered wall needs stripping before it is repainted, but the decision is not a coin toss either. It comes down to how well the paper is still bonded, how many layers are underneath it, and what pattern might show through a light topcoat.

Checking what is actually holding it on

We press and lift at seams, corners and around sockets to see whether the adhesive has failed anywhere. Bubbling, lifting edges or a hollow sound behind the paper all mean it has to come off, because paint will not re-stick loose paper to the wall.

When lining and overpainting is genuinely fine

A single well-adhered layer of plain lining or vinyl paper, with no strong pattern or dark colour that could bleed through, can sometimes be sealed and painted directly. We still recommend a stain-blocking primer where the base colour is dark, since emulsion alone rarely covers it in one pass.

  • Seam edges pressed and tested before deciding
  • Stain-blocking primer used over dark or patterned paper
  • Vinyl-faced papers scored slightly so primer can key

Stripping when layers or damage make it necessary

Multiple historic layers, damaged edges, or paper with a raised texture that would telegraph through paint all point to stripping. Steam and scraping remains the most controllable method in an occupied room, and we protect flooring and skirtings throughout.

  • Steam stripping in preference to soaking where floors are sensitive
  • Walls checked underneath for plaster condition once bare
  • Skirting and sockets protected before any water is used

Questions we are asked about this

Will the wallpaper pattern show through paint if we don't strip it?

It can, particularly with dark or bold designs, unless a proper stain-blocking primer is used first. We test a small area before committing.

Is it cheaper to paint over wallpaper than strip it?

Sometimes, but only where the paper is genuinely sound. Painting over failing paper often costs more overall once it has to be redone.

Do you check for damp under old wallpaper?

Yes — stripping is also the point where hidden damp patches or plaster damage usually come to light, before we recommend the next step.

Stain-blocking primer being rolled over a sound layer of lining paper

Send a photo of a corner and a seam and we will tell you honestly whether stripping is needed.

Sound, plain wallpaper can sometimes be painted over, but damaged or dark-patterned paper needs stripping first.

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