Cracking the wall is definitely one of these 3 reasons!

The cracking of the wall is something that we often discover, but many people do not understand what causes it. In fact, there is no doubt that the cracking of the wall is due to the following three kinds of reasons. First, the original wall surface problems The quality of the original wall surface is a major cause of paint cracking after renovation, the original wall problems are common in two ways: First, the plaster layer cracks and empty drum; second is putty empty Drums . The cracks or hollowing of the plastering layer and the putty layer mostly originate from the developer's poor quality of raw materials, incorrect ratios, and careless construction of the construction materials. Therefore, consumers must carefully inspect the quality of the walls when collecting their houses. Once problems are found, they must be properly dealt with during the renovation. Second, the housing structure problem Sometimes, many of the original wall of the house is not a problem, or has been done before the paint, but after the renovation, over time, will gradually crack, which is why? In fact, the reason is almost inevitable housing settlement. There are two kinds of housing structure problems: one is the settlement of houses, and the other is the deformation and settlement of gypsum suspended ceilings.
(1) House settlement
The settlement of houses is mostly caused by the uneven settlement of foundations, and is most common in old-fashioned multi-storey apartment houses. Specifically, the surface of the wall presents a 45° direction crack. The top surface is mostly through the east and the west. In addition, if the old apartment is a floor structure, cracks often occur in the junction between the two floors. Generally, cracking is different, and different measures need to be taken to repair cracks and prevent future wall paint from cracking.
(2) Deformation settlement of plaster ceiling
Another common cause of wall cracking is the settlement of decorative elements such as ceilings. The most common of these is the gypsum board ceiling deformation settlement. Plasterboard ceilings are generally constructed using two processes. One is the use of wood keel, due to the lack of natural wood stability, generally poor handling or construction will not lead to thermal expansion and contraction caused by the surface deformation, the other is a light steel keel, and sometimes decoration companies in order to save material, intends to add Large keel spacing causes the gypsum board to settle in the future. In addition, some decoration companies have tried to replace the drywall nails used for the keels and gypsum boards into rows of nails. Over time, the plasterboard ceilings will also be cracked, and the drywall screws will be painted directly without embalming. Putty, then, because of rust on the surface of the ceiling will appear one by one protruding nail hole. Third, material construction is the focus In addition to the wall of the house itself will lead to cracking of the wall, materials and construction is also very critical, no matter in the material or in construction, if there is a problem, the wall will crack, let's take a look at What are the reasons for the wall cracking caused by materials and construction?
(1) Improper selection of construction climate
Technically speaking, the rainy season or the cold weather are not good for wall paint. In the rainy season, the wall has a high moisture content, and the construction of putty and latex paint is poor. In cold weather, putty and latex paints are difficult to dry, and if there is a freezing phenomenon, if the construction is done again, the walls will most likely crack soon.
(2) Improper repair of wall slots
Hydroelectric renovation needs to bury pipelines in the wall surface. Improper repair of the wall after slotting can also cause cracks in the wall paint. The reason for improper repair may be that the ratio of cement mortar used for backfilling is incorrect, and it is also possible that the worker did not use anti-crack paint and no adhesive bandages for the sloppy treatment of the slot.

Wall construction

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