Use a damp cloth to remove any dust and, when the wall is dry, prime than paint.ģ. Once it’s dry, sand the surface smooth blending the edges with the original plaster of the wall first then working from the center of the patch. Once the plaster is set, sand carefully to smooth the finish.Īpply a coat of joint compound, then allow to dry. Use a plastering trowel to apply plaster over the wall and the tape. Apply nylon mesh tape at the joint between the base coat and existing plaster. Leave to dry.īrush a plaster bonding agent on to the base coat and the old plaster surrounding it. Then fill the hole with base coat until it’s flush with the old plaster and smooth with the trowel. Work the base coat into the spaces in between the wood as well. Using a trowel, coat the lath with plaster base coat. Make sure you work carefully to avoid damaging the lath – the wood structure behind the plaster. Use the hammer and chisel to remove loose and damaged plaster. To fix a hole in a plaster wall you will need: Prime and then touch up the wall with paint. Wipe with a damp cloth to remove dust and leave to dry. Sand again, until the repair is smooth and the edges are completely flush with the wall. Apply a second coat of compound and leave to dry. It should just be thick enough to cover the patch completely.Īllow to dry, then sand. Using the knife, apply a coat of joint compound over the patch, including the edges. Smooth down firmly so it’s sealed all round the edges. Cut away jagged drywall around the edges of the hole.Īpply the patch, centering it over the hole. Start by removing any loose debris from the hole. Find out more about plaster in old houses.
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