An experienced master at first glance understands how to remove paint from a particular surface. It is enough to know a few points. First of all, it turns out on what basis the paint was applied, how many layers were applied earlier. All this can be clarified by examining a small section of the wall.
The variety of materials in the manufacture of paints makes it difficult to determine the methods of removal. Paints based on acrylic, oil, alkyd paints, all of them have a different chemical composition than others. The adhesion strength to the wall is also different for them.
The most time-consuming removal process is considered to be paint on concrete, since the strength of this material is weak susceptible to damage, although the paint is absorbed into the concrete deep enough, which makes it difficult to remove with such surface. Loose materials, such as clay or wood, allow you to strip the surface of the paint with much less labor.
Removing paint from a loose surface is most conveniently mechanically. In this case, of course, there will be a lot of dust and debris, but the wall will become like new and will be ready for a new paint coating. Of the tools, a building hairdryer or blowtorch are considered popular. When heated, the old paint softens, which facilitates its scraping from the wall. But this method is applicable to fireproof wall materials. In other cases, special chemical compounds are used that can dissolve or soften layers of old paint.
If the paint remover is liquid, a spray gun is used to apply it to the wall. In other cases, brushes or rollers are used. After application, you need to give time so that the composition is well absorbed, softening the structure of the paint, and then the old layers are removed using special metal scrapers. This method is not dusty or particularly dirty. If you provide a floor litter from the same old newspapers, then time for cleaning the premises simply will not be required.
When the master does not have sufficient experience in determining the method of removing paint from the wall, then you should start with barely visible sections of the wall. Try to independently act on the layer of paint to be removed using various methods described above. One of them will definitely work. After that, you can proceed to the removal of the paintwork on the entire wall.
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