In daily life, we often find the phenomenon of wall cracking, and if the wall cracking is not repaired in time, the crack will only become larger and larger, and eventually have a greater impact on people's residence, so we must find specific reasons to deal with it in time. So what are the causes of cracks in the wall, and what to do if the wall cracks? Learn together!
What are the causes of cracks in the wall
1. Cracks caused by foundation
The foundation is the core part of the house. When the temperature is too low, the foundation will form ice crystals in the frozen layer and expand continuously, causing the soil to bulge upwards, resulting in uneven settlement of the foundation and causing cracks in the wall.
2. Cracks caused by temperature changes
Thermal expansion and contraction will adversely affect most objects, and masonry is no exception. Due to temperature changes, the masonry will shrink unevenly, and when the temperature stress exceeds the strength of the masonry, it will cause wall cracking.
3. Cracks caused by materials
Wall cracks may also be caused by decoration materials, such as clay solid bricks and cement blocks, which can easily cause cracks and water seepage on the wall. Therefore, try not to use these materials during decoration, so as to avoid cracks in the wall.
What to do if the wall cracks
1. Cracking of structural layer
The cracking of the wall structure layer is caused by the cracks in the wall itself and the subsidence of the foundation in the later period. If this situation leads to the cracking of the wall, professional construction personnel are generally required to complete the operation.
2. Cracking at the wall joint
Wall joints are easily affected by external forces, leading to changes in gypsum board and prefabricated boards, which eventually lead to cracking of the wall surface. If this is the case, you can consult the property and wait for the cracks on other floors to be repaired.
3. Cracking of the putty layer
Cracking of the putty layer can also lead to cracking of the wall, mainly due to quality problems of the putty powder or inadequate construction. When repairing, first expand the cracks, fill in caulking plaster, polish and level, and then paste the grid cloth before construction.
4. Cracking of wall paint
The cracking of wall paint is the same as the cracking of putty layer, mainly because of the relationship between materials and construction technology. If it is a small wall paint crack, then just use fine sandpaper to grind the crack, and then use the same color wall paint to repaint.
Editor's summary: What are the causes of wall cracks and how to deal with wall cracks are briefly introduced here. I believe everyone will have a better understanding after reading. In short, there are many reasons for wall cracking. Be sure to find the specific cause first and then take the correct method to solve it. It should be noted that if the wall cracking is serious, please ask a professional master to help.
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Causes of cracks in the wall
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