Part of our wallpaper hanging guide.
Wallpaper seams lifting: inspect the edge
Look at how far the edge has lifted and whether it is dry, brittle, stretched or stained. A small, flexible edge is different from a large loose sheet. Note whether the problem is isolated or repeats across the wall.
Where the back is visible without pulling more paper away, check whether dust, loose paint or pieces of wall lining are attached. That can indicate the background has failed with the paper. More adhesive cannot restore a weak layer underneath.
For the full planning sequence, use our wallpaper guide.
Check moisture before adhesive
Pay particular attention to windows, external corners, bathrooms and areas below leaks. If staining, mould or persistent damp accompanies the lifting, resolve that cause before repairing the paper.
Do not seal a damp patch beneath fresh adhesive or paint. Let the wall be assessed and dried appropriately after the source is fixed. A repeated seam failure in the same place is a reason to investigate further, not simply switch to a stronger glue.
Repairing a small sound seam
- Confirm that the wall and paper are dry and the background is sound.
- Check the paper's instructions for a compatible seam-repair adhesive.
- Ease back only the already loose area; avoid stretching or tearing the face.
- Apply the specified amount of adhesive to achieve contact without flooding the seam.
- Bring the edge into place gently, keeping the pattern aligned.
- Remove residue according to the paper's cleaning instructions and let it dry undisturbed.
A seam roller is not suitable for every textured or delicate paper. Excess pressure can crush the design or force out too much adhesive. Test the method in a discreet area and stop if the surface marks.
Wallpaper edges peeling: when to replace a drop
Replacement may be more suitable when the edge is torn, curled hard, stretched or stained. A gap caused by shrinkage will not necessarily close by pressing the two edges together. Pulling the paper to force a match can distort the pattern or cause another failure.
Check whether you have spare paper from the same batch. A replacement needs the correct pattern position as well as the same design. Our pattern matching guide explains the label details to keep.
If broad areas are loose, removal and background preparation may be the more reliable approach. Read how to remove wallpaper before starting.
Can you paint over a repaired seam?
Only consider painting when the paper is suitable, dry and firmly bonded, with a compatible coating system. A raised joint or overlap may still show through the new colour.
Painting a loose edge is not a repair. First establish whether keeping the paper makes sense, using our guide to painting over wallpaper. A test area is especially useful on vinyl or previously painted coverings.
Reduce the chance of it happening again
Follow the paper's adhesive, soaking and application directions. Paste coverage at the edges matters, as does a background that is neither dusty nor unsuitable for the adhesive. Avoid introducing strong heat or draughts that dry one area much faster than another.
Keep room conditions suitable during drying, and use only the cleaning method allowed for the paper once it is in service. For a quote, send photos of the lifting edge, the whole wall and the product label. Include any previous repairs and moisture history.
Your questions
Can I use ordinary household glue on wallpaper seams?
Use a seam adhesive compatible with the specific paper and background. An unsuitable glue can stain the face or make later removal difficult.
Why do the edges keep lifting?
Possible causes include poor background adhesion, unsuitable paste, drying conditions or moisture. A recurring problem needs the cause checked.
Will paint hold a loose seam down?
No. Repair or remove failing paper before considering a paint system.
Repair the seam and address the cause
Show us where the paper is lifting and tell us about any damp or previous repairs. We can discuss the appropriate preparation and finish.
Request a quote