How to Fix Walls Before Interior Painting

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Interior painting is one of the basic element of home decor, with flooring and lighting being other important elements. As such, we want to get the interior painting right.

Choosing the right colour for the interior walls is important. But before we start painting the final colour we need to make sure the walls are well prepared. Ask any professional and they will tell you that preparation is half the job. This is all the more important if the area is being repainted. We have to make sure that older walls are clean and undamaged.

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Undercoat – If the final paint it to bond to the wall we will first need to put down an undercoat. This undercoat prevents the final paint from simply soaking into the drywall.

It helps if we tint the undercoat so it is similar to the final paint colour. Often we can forgo a second layer of paint if the undercoat is tinted.

If we are repainting the wall we might skip the undercoat, or we might use a new layer of undercoat to cover the previous colour. we recommend a new undercoat if the final paint colour is different to the previous colour.

Clean the Walls – Walls will accumulate grease and other contaminants that compromise the final paint job. So cleaning the wall surface make a big difference to the final result.

A new room that has just been built will need minimal cleaning. If is often enough to vacuum the walls and floor to remove dust. A microfibre cloth will look after any fingerprints or other marks.

A room that is being repainted will need to have the walls cleaned with sugar soap. This removes grease, grime and anything else on the wall that might compromise the paint. Use a citrus cleaner (De-Solve-It) for any trouble spots.

Dents and Cracks – We need to fill in any imperfections in the wall before we even paint the undercoat. Use a hard filling compound for filling, and let it set for at least a day (see the instructions for he individual product).

Once the filler is dry, sand the surface flat and flush with the rest of the surface. Then apply the undercoat. Make sure there is no difference in colour between the repaired area and the rest of the wall; sometime the undercoat does not fully cover this. A second coat over the area should help.

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