What is the reason for the cracking of latex paint on the wall? Early warning early prevention

Many households that paint latex paint will find several obvious cracks on the wall when they are used for a long time. It is the latex paint that has cracked. Latex paint cracking is a very difficult problem, not only affect the appearance, but also bring a lot of trouble, let us look at the wall latex paint cracking what is the reason? 1. Latex paint quality but some consumers When choosing latex paint, Chinese will look at the packaging of latex paint and ignore its inherent material. Some merchants will deliberately exaggerate the quality of the latex paint they produce. Consumers are easily misled by exaggerated packaging, and they are buying fake products. Latex paints, generally of poor quality latex paint products, must have limited adhesion and hiding power. If fake latex paints are purchased, the walls may be cracked and discolored. At this point, consumers can inspect the product inspection orders. verification.

2. Problems in the construction process Developers dealing with slapsticks during the construction process will lead to problems with the original wall. The original wall problems mainly include cracks in the plaster layer and hollow drums in the empty drum and putty layer.
For example, after wall slotting, improper repairing and brushing cause cracks in the wall surface shrinkage. The cement ratio is not accurate when plastering. Proper proportioning of the wall putty is not proper or the wipe is uneven. Therefore, consumers must be careful when collecting the house. Check the quality of the wall. Once a problem is found, it must be properly dealt with during the renovation. In addition, there may be cracks in the insulating layer of the original house, which results in cracking of the wall after renovation.

3. If it takes too long, if the quality of latex paint is not enough, and it is not a problem of the original wall, it may be that cracks gradually develop over time after renovation.
Over time, there will be unavoidable house settlement or deformation settlement of the plaster ceiling. Settlement in the old-fashioned multi-storey apartment houses is the most common, and the concrete manifestation is that the surface of the wall presents a 45° direction crack. If the old apartment is a floor structure, cracks often occur at the joint between the two floors. According to the cracking situation, different measures need to be taken to repair the cracks and prevent future wall paint from cracking.
Gypsum board ceilings generally use two kinds of process construction, one is the use of wood keel, due to the lack of natural wood stability, the general poor handling or construction will not lead to thermal expansion and contraction caused by the deformation of the surface, the other is a light steel keel In order to save material, decoration companies sometimes intend to increase the spacing of the keel, causing the gypsum board to settle in the future.

The cracking of latex paint on the wall is a common phenomenon that occurs in many families, especially those living for a long time. To understand the cause of wall paint cracking in advance, choose high-quality glue in the selection of latex paint, and monitor the wall surface in real time to extend the service life of latex paint.

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