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Bumps and ridges

From the wallpaper problem solver - quick reference guide

Bumps and ridges are a direct result of poor wall surface preparation or using an adhesive that is contaminated with foreign matter or dried paste.

All walls should be prepared by sanding and filling etc. In some cases it would be advisable to apply lining paper to provide the good surface required for the particular wallcovering.

Wallpaper problem solver
How to avoid bumps and ridges when wallpapering

Lining paper can also help eliminate any existing discolouration on the wall surface that may otherwise penetrate the decorative surface of the wallcovering and leave the finish unsatisfactory.

It is important to note that the decorative surface and pattern of the wallcovering will play a very important part in how many or how few imperfections will show through.

The drying tension or torque of the wallcovering can in fact dislodge a filler that has not been sealed, and show up as lumps under the wallcovering once it has dried.

Wallpaper problem solver


Thank you to Aspiring Walls for providing the information for this quick reference guide.

Wallpaper problem solver topics   Ask an Expert   How to wallpaper


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