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Over time, the plaster that covers a wall can deteriorate and crumble. Its surface then becomes rough and granular to the touch and its appearance is not as pleasant to look at the beginning. If that's the case, then it's time to take care of it and pamper your walls. Before thinking about the aesthetic aspect, the first thing to do is to remove the plaster. How to do it?

Remove a plaster according to its nature

To easily and effectively drop a plaster, it is essential to know the coating in order to be sure to adopt the right technique. Here are a few tips…

For fiber plaster which is soluble under the action of water, the method used is that used to take off wallpaper. You can use a paper stripper or moisten the plaster before detaching it with a painter's knife or spatula. Note that instead of water, you can also impregnate the surface to take off with diluted wallpaper glue (a measure of glue for two to three water measurements).

For plaster in plaster mortar, scraping followed by sanding the wall helps to get rid of the plaster. It is also possible to use a heat gun.

The withdrawal of'a plaster in cement mortar is probably the most difficult. To remove this type of coating, the use of a grinder is necessary.

In the case of'a plastic plaster, the takeoff takes place using a hot air gun and a spatula.

And finally, if it isa painted plaster, the task is even more difficult in that the paint protects the coating. It is an operation to be entrusted preferably to a specialist in the matter. Here, the process consists in scratching the plaster first with the help of a suitable tool such as the mason's riflard for example. A layer of printing paint will then be applied and the work will finish by raking the surface with plaster to homogenize the whole.

What about an exterior rendering?

You must know that the plaster on an outside wall is a generally very thick coating, involving a meticulous and long work that requires a lot of "elbow grease". Removing a plaster on a façade wall is done with a hammer combined with a chisel or, better still, with a jackhammer of small size. For a more efficient work, it is advisable to rent a sandblaster in shops specialized in DIY. In all cases, be careful not to separate the stones, bricks or joints to avoid damaging the wall.


Video Instruction: DIY How To Remove Plaster on Wood Lath Walls