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In the spring, people's skin tends to appear peeling and red spots due to dryness and temperature changes. The walls and wooden surfaces in the living room are also like faces. As the weather gets warmer, there may be a little "fine lines" or other problems in the newly renovated walls last year. According to the principle of thermal expansion and contraction, paint or paint will be a little bit unsuitable due to weather changes. You don't have to worry too much. Just by simply making a “mask†on the wall, the house can “restore beautyâ€.
Last year, the wall of the renovated room appeared some cracks in this spring. Some wall walls even arched, and there were some gaps in the door cover and window cover. What should be done when cracks affect visual effects? Do you need to repaint the wall? Can't you use different brands of wall paint?
According to Wang Enlai, manager of the Department of Decorative Engineering of Yuanzhou, the temperature difference in the northern region is large, and the humidity difference in winter and summer is also very large. Therefore, after the renovation, especially in the second half of the year, after the heating season, the cracks on the wall and cracks in some wood products Deformation is a normal phenomenon. This is due to the different material shrinkage rates under different conditions. In addition, the shrinkage rates of different materials are different under the same conditions. Therefore, the edges of the wall, the corners, the original structural light-weight walls, the original building holes, the rear-built and moving walls, and the joints of different materials are very susceptible to cracks due to different tensile stresses. After the wood products have passed the heating season, they will be slightly deformed. If the gap between Miss Huang’s home appears in the above area, most of them are normal seasonal cracking.
Jingda Decoration Engineer Jing Wei told reporters that when there is no change in the middle of a plane, cracking occurs, which may be related to the process. If the wall directly cracks off the skin, then it can be determined that it is a construction problem, such as the grassroots treatment is not done. The wall surface is scraped with waterproof putty, but in some places, the wall paint is arched and tilted, and it is directly separated from the bottom layer of waterproof putty. It proves that the worker is uneven when brushing the interface agent on the base waterproofing putty, and the putty is not polished. Smoothing, eventually leading to a gap between the topcoat and the substrate, causing arching.
Some materials in home decoration, especially the thermal expansion and contraction of wood products, are more affected by the climate, and there will be problems when there is slight deviation during construction. For seasonal cracking and wrinkling, with the help of professionals and professional products, it can be solved smoothly.
â– Solution: Paint cracks after grinding and new paint
Phenomenon: There was a problem with the paint in the newly renovated house. The original wooden surface of the oil mold had some small cracks, and there were bubbles in some places. After a few more days, I even found a small piece of paint falling off.
According to a master of the Nippon 1687 Wood Coating Application Center, a large part of the paint has a particularly small amount of fine lines, which is caused by the high temperature of the heating season and indoor ventilation. However, some cases are caused by the use of poor quality paint or improper operation of construction workers.
The range of cracks is not large. You can use a sanding block or wet and dry sandpaper to rub a little water, and grind off the broken paint. After the surface is smoothed, put on the putty, brush the primer, and repaint.
In the case of paint blistering, the blister is first broken. If there is water, it indicates that there is moisture infiltration under the lacquer layer. You can use a thermal spray gun to remove the blistering paint, let the wood dry naturally, and then brush the bottom. Paint, and then repainting on the entire repair surface; the lack of water in the bubble may be the cracking of the wood grain itself, you can first scrape off the foamed patent leather, then fill the paint pattern with resin filler, repaint, or not filler Apply microporous paint directly after scraping off the patent leather.
A small area of ​​paint peeling off can be sanded first, then putty put on, brushed with primer, and repainted. If it is a large area, the paint must be peeled off and brushed again.