Matters needing attention in painting old walls of Heze specialty 1. Pay attention to the weather before painting the wall to avoid rain and snow.
2. The lining of the wall needs to be shoveled off, and the bottom surface of the wall must be treated. The old wall must be thoroughly cleaned of mold, oil stain, floating ash and loose paint, and the leaking wall should be repaired and drilled in time, and smoothed with coarse sandpaper.
Don't have too much moisture on the wall. Generally, the moisture content of the structural wall of latex paint is less than 10%. Excessive humidity will affect the adhesion of paint film, leading to foaming and peeling of paint film.
4. The alkalinity of the wall should not be too strong. Generally, it is required that the alkaline pH value of latex paint building wall is less than 10.
5. When drawing a wall, follow the principle of vertical brush and top-down stroke. You can also brush horizontally from left to right. Don't miss it.
6. In the process of painting white powder, the paint should be continuously stirred to prevent white turbidity and precipitation, and different stripes will appear on the wall.
7. When decorating the newly painted paper-gray wall, it is necessary to wait until the lime outside is completely dry, and the surface layer will appear on the wall, which will affect the decoration effect.
8. There are many stains on the old dark gray wall, and the refreshing color on the wall. You should brush it with white water first. After the wall is dry and white, set the updated color.
Matters needing attention in Heze professional old wall painting 1, pay attention to the preservation of paint, the paint is flammable at high temperature, and it is likely to cause fire due to improper storage. Therefore, the paint should be stored in a cool and ventilated place and the storage container should be sealed. Keep away from open flames and cable sockets. The recommended paint should be used within one month.
2. Extend the drying time of wall putty. Putty must be scraped off before painting the wall. Generally, it should be scraped 1 to 3 times, and the drying time 1 to 2 days. The climate is hot and humid, so the drying time of putty should be prolonged as far as possible, which usually takes 2-3 days. Especially in the typhoon period, the drying time of putty will be prolonged.
3. Paint the wall as far as possible to avoid rainy days, because the bottom of the wall will be damp and prone to appear in rainy days during construction. If the wall is not completely dry, painting and water seeps into the paint surface, which will lead to the loss of adhesion of the paint film and the bulging of the wall. Therefore, it is best to measure the moisture content of the wall with professional instruments in summer, and then carry out construction after reaching the standard.
The above article explains in detail the matters needing attention and factors that need to be considered in Heze professional old wall painting.
Tubatu Online provides you with "every decoration quotation, 1-4 local decoration companies, 3 sets of decoration design schemes" and the decoration pit avoidance strategy for free! Click this link:/Zhu Ye /zxbj-cszy.php? to8to _ from = SEO _ zhidao _ m _ jiare & amp； Wb, you can get it for free ~