![]() ![]() In fact, it's better to apply several thin layers as this provides a stronger finish over the repaired area. It may be necessary to use multiple layers to get the desired result. Clean off any excess with a wet sponge and leave it to dry for ten minutes, then scratch the surface with a trowel blade in a criss-cross pattern.Īpply the second coat once the scratch coat has cured (about 24 hours) and leave it to dry completely before sanding. Mix the plaster according to the instructions, and apply the first coat. ![]() ![]() Brush and vacuum the area, as with the smaller cracks, and apply a suitable primer. Depending on the severity of the crack, you may want to use a caulking gun and suitable caulking material, then plaster over the top of this.īefore you do so, it's necessary to clean out the fissure, removing any stubborn debris with a chisel. However, this is not ideal and should be avoided at all costs, as it provides no structural support and can lead to moisture absorption. One method we have come across is to stuff the fissure with newspaper or card (and, in some cases, pasta!). Big cracks are more likely to be found on masonry walls, so the following instructions relate to this. If your surveyor (or building professional) has checked the property and is happy that there are no structural issues, then you can go ahead with your repairs.Ī large crack takes a little more effort to repair than fixing minor cracks, and you'll probably need to use a plaster mix rather than a filler. But for those cases where it's fine for you to take on the job yourself, we've put together the Top Notch Walls guide on how to fix cracks in plaster walls. Well, you basically have two choices: you can either fix it yourself, or you can get an expert to do the job for you! There are times when the decision is taken out of your hands, as the damage is too severe - and you can learn more about this below. Surprisingly, it's not only a problem in older buildings, as cracks in plaster walls also occur in new properties as well.Ĭracked plaster isn't very appealing, and nobody wants their walls to stay this way. There are several reasons for this, including thermal movement in the walls (expansion and contraction as the materials heat up and cool down), accidental damage, and long-term exposure to moisture. Plaster is an amazingly versatile material, used for thousands of years to improve buildings of all kinds.Īlthough plastering is a job that almost anyone can take on, it takes determination and dedication to achieve the level of skill possessed by professionals - like those at Top Notch Walls.Įven so, no matter how skilled the plasterer is, you might notice that your plaster cracks over time. ![]()
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