First, the causes of peeling on the wall
The wind blew over the sun, causing the walls to peel off and darken.
Many people pay special attention to the lighting effect when buying a house. Although a well-lit house has its advantages, it also has inevitable disadvantages. Guangdong environmental protection negative ion wall for the wall directly exposed to the sun, the original beautiful color will be affected by invisible light, resulting in peeling and fading of the skin. This is the inevitable law of nature. There is also the temperature difference between indoor and outdoor, or air conditioning may affect the wall and cause peeling.
2. The wall is affected with damp, which leads to peeling.
The problem of environmental protection negative ion wall in Guangdong mainly occurs when there is much rain and high humidity in spring. Because the wall is wet, the skin on the wall is loose.
The walls are moldy.
In the wet season, mold often appears on the walls. There are green or black mildew spots and spots on the wall, which are very obvious. Guangdong environmental protection negative ion wall will affect the overall aesthetic feeling of the wall and the health of residents.
4. The sagging of dry paint causes the lower edge of the wall to thicken or form flow marks.
Guangdong environmental protection negative ion wall is mainly due to spray gun failure and insufficient painting technology. Pay more attention to the choice of diluent. It is also necessary to increase the temperature of the spray booth to keep the painted surface clean.
Second, the wall stripping liquid
1. Treat the old wall and scrape off the putty.
If it is partial peeling, remove the peeling part and scrape off the putty in a small range. But if it is a large area of stripping, it is necessary to remove all the stripped parts and scrape off the putty. The former may have color difference problems, while the latter may have many projects.
2. Strengthen the grassroots.
If the wall falls off in a large area, the first thing to consider is whether there is a problem at the bottom of the wall. In the process of construction, the foundation must be reinforced with high-density fresh wall reinforcement. Then we will take a series of steps such as gypsum leveling, grid division, painting and painting.
3. Paint the cracks.
After investigation, if there is no pulverization and peeling, the peeling is not very serious, and the environmental protection negative ion wall in Guangdong can be directly painted with topcoat. This is almost the best case.
4. Dismantle the old wall and install a new one.
This is mainly aimed at the wall with serious peeling phenomenon. When the simple repair of environmental protection negative ion wall in Guangdong is useless, it is necessary to remove all the decoration of the old wall and then carry out new decoration, first remove the cement layer, and then follow the basic steps of wall painting.
The above is the specific content introduced by Bian Xiao. When decorating a house, we must first find out the specific reasons for peeling and painting the wall, don't shovel the wall blindly, and solve the problem of wall decoration with the least cost.
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 ~