How to seal wallpaper seams

Written by jonah morrissey
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How to seal wallpaper seams
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Loose wallpaper seams can lead to damaged wallpaper if left unresolved. Seams pull apart over time as the wallpaper glue ages. The seam can be repaired by the do-it-yourself homeowner using a seam sealer. The seam sealer will adhere the loosened seams to the wall like new. As soon as you notice a loosening seam, it is important to repair it to avoid tears in the wallpaper.

Skill level:
Moderate

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Things you need

  • Tube, seam sealer
  • Small poly brush
  • Wallpaper roller
  • Damp sponge

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Instructions

  1. 1

    Identify the seams in your wallpaper that require repair. Apply seam sealer to a small poly brush. Lift the seam slightly open and brush a thin coating of sealer onto the wall underneath the lifted wallpaper.

  2. 2

    Press the wallpaper back into place and run over the seam with your hand to smooth it out.

  3. 3

    Roll over the seam with a wallpaper roller to ensure that it is completely adhered to the wall.

  4. 4

    Wipe the outside of the seam with a damp sponge to remove any excess seam sealer that may have seeped out of the seam.

Tips and warnings

  • Look over your wallpaper on occasion to identify seams that are loose and make the repair as soon as possible.
  • Follow safety precautions on the seam sealant tube carefully.

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