Remove the old plaster from the wall

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Contents

  • 1 Analyzing old plaster
  • 2 Which tool to use to remove the old layer?
  • 3 How is plaster removed?
  • 4 Removing old plaster

When carrying out repairs, many people have questions - do I need to remove old plaster? How to remove plaster from a wall? To answer these questions, you need to know when you need to remove the plaster, what tools are needed for this job, and, of course, do not interfere with the knowledge of some features of such works. Let's understand.

Analyzing old plaster

There are two ways to remove old, unusable plaster: partial and full scale. In the first case, it is a local mop, when the main area of ​​the layer is kept well, and only in some areas there are serious damage and shedding. In the second, it is necessary to resort to more large-scale works and remove the entire layer. Before removing the plaster from the wall, it is very important to determine which case is typical in your situation.

The easiest way - to check which areas need local repair, is as follows: you need to take a trowel or a small hammer and its handle to walk on the entire surface. In those places where a deaf sound will be seen or the plaster itself will disappear, accordingly it is necessary to clean and re-plaster. Also, problem areas are checked by finding foci of fungus development or moisture infiltration.

It is even easier to determine the need for full-scale dismantling. If the old layer has already served its own, it will fall off along with the wallpaper. In this case, you will need to pick up the instrument and begin the operation to clean the wall surface of the old plaster.

Which tool to use to remove the old layer?

Before removing the old plaster from the walls, arm yourself with the appropriate set of tools. In fact, its number and name will directly depend on the degree of wear. But in order to cover the entire section associated with the dismantling of the old layer, we list the most popular.

For removal, we may need:

  • Safety goggles and respirator;
  • Gloves - rubber or canvas;
  • Ax / hammer / small sledge hammer;
  • Chisel - it's best to take with a long handle;
  • Scraper / spatula;
  • Metal brush;
  • Machine for removing old plaster;
  • Rotary hammer.
Instruments
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Once again, note that this list may not be typical of your case.

How is plaster removed?

In this section we will consider the question of how to remove old plaster from the walls when it comes to complex dismantling.

First it is necessary to moisten the entire surface with water. It is advisable to use a warm, heated liquid to accelerate the process itself. Water is needed not only to soften the old layer, but also to remove dust during work. If in the process of dismantling some areas begin to dry out, you can safely re-process them with liquid. Do not worry about the condition of the main surface - you definitely will not harm it, but the abundant wetting of the plaster layer will greatly simplify the work. More options how to clean the surface.

Removing old plaster

Let's now we figure out how to remove the plaster from the walls, getting deeper into the process itself. Dismantling starts with tapping the surface: bottom up. For this you can use the handle of a trowel or a hammer. Distressed pieces will immediately fall off the wall. To increase the scale of the shedding, trowel the torn area with a spatula. So you can remove plaster with whole layers. If this does not work out, you will have to take more heavy equipment, for example, a punch. If this does not help to solve the problem and plaster stubbornly does not want to fall off, a Bulgarian with special nozzles is used. She cut out entire sectors on the entire surface, and then perform a sweep.

There is another way to remove old plaster from walls, but in this case you need specialized electrical equipment. It's about polishing. But here it is not necessary to talk about withdrawal as such. After all, when grinding it is simply erased. The whole process is based on the use of a special machine with abrasive disks. This work is very dusty, so as it is done, it is necessary to constantly wet the surface to be treated.

The final stage of processing is the cleaning of the wall with metal brushes. This removes the plaster from the walls, and the process goes on to prepare the surface for further finishing.

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