How to patch plaster a wall

from time to time , most of us will come across some damage plaster like this that needs to be patched up before we can get on with projects such as painting , wallpapering or tiling .

Making a patch repair is easier than you think .

All you need is the right product and a little bit of know how .

In this film , we're gonna show you how it's done .

Using this , ready to use plaster repair and skim .

The preparation is quite straightforward .

First , put down a dust sheet and inspect the damaged area to see if there's any loose or crumbling plaster .

If there is , use a utility knife and scraper or a hammer and cold chisel to cut this back until you reach down plaster .

Ensuring the hole is not deeper than three millimetres .

Remember to always use a cable and pipe detector to check for hidden pipe and cables before cutting into a wall .

If the surface is glossy , you'll need to sand it first using the coarse grade sandpaper , brush the damaged area to remove any dust and check that there is no damp or grease .

If there is grease , then clean the area .

If you suspect damp then you might need to seek expert advice .

If there are any fixings , such as nails or screws in the repair area , make sure that the heads are well below the surface of the wall and any that protrude should be removed .

If they're not rustproof fixings , paint over the heads with oil or solvent based paint .

The last stage of the preparation is to prime the area with diluted P VA to give the plaster adhesion for the new plaster repair to stick to it , and that's your preparation Done .

This plaster repair and skim is easy to apply and is suitable for repairs up to three millimetres in depth to plaster walls and plasterboard .

Use a steel rule and a spirit level to check the depth of the damaged area before you start to apply the repair and the skin .

If the depth is greater than three millimetres , use plaster repair to reduce the depth .

This repair filler can be applied in layers up to 12 millimetres thick so you may only need one layer .

We're OK .

This damaged area is only three millimetres deep , so we don't need any additional filler .

Apply the skin directly to the wall , using a flat plaster tower and a scraper , allow some time for the plaster to begin to set .

The length of time needed will vary according to the room's temperature and humidity .

Once the plaster has begun to set , wet the flat plastering trail and use it to smooth the plaster .

When it's dry , lightly rub over the surface using medium grade sandpaper and wipe over the sanded surface with a damp cloth .

If you're going to paint wallpaper or tile over the repaired area , don't forget to coat the new plaster with an appropriate sealer first .

And that's that .

A nice , smooth wall ready for decorating for more ideas and know how .

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