As a building settles, cracks appear around the corners of windows and doors, since they are the weakest part of a wall. While they’re nothing to worry about, they are unsightly and a look your home can do without.
WATCH: Adam repairs a crack in the wall
Gather your supplies
- All-purpose plaster compound
- Self-adhesive easy tape
- Undercoat
- Interior paint to match your wall
You’ll also need
- Sharp utility knife
- Broad scraper
- Fine sandpaper
- Sanding block
- Vacuum
- Paint roller
Here’s how
Step 1
Using a sharp utility knife, cut out plasterboard on either side of wall crack to create a thin, V-shaped groove centred on the crack. Remove any loose paint or plaster.
Step 2
Using a broad scraper, fill crack with plaster compound, then cover crack with self-adhesive easy tape. Apply another thin skim coat of plaster compound to bed tape in and leave to dry.
Step 3
Apply skim coat of plaster compound about 100mm either side of crack and over tape. Feather edges to wall. Leave to dry.
Step 4
Sand plaster compound to make smooth, so edges blend with wall. Vacuum to remove dust.
Step 5
Using a paint roller, apply undercoat to plaster and surrounding wall and allow to dry.
Step 6
Using a roller, apply 2 coats of matching wall paint over undercoat. Allow to dry after each coat.
DIY tip
After sanding, run your fingers over the finished job to check for lumps or bumps, as they are move sensitive than your eyes.
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