The newly renovated new house has peeling on the wall. What happened?

For the decoration of the house, we will find such a phenomenon that peeling may occur soon after the decoration is completed. At first, only the latex on the surface was spotted locally, and then it peeled off layer by layer. With the increase of time, the location is near the door and window openings or on the walls around the room. If there are many small cracks in a very close range on a surface, it means there is an empty drum here. There is something wrong with the plastering quality. You must remove the original putty and clean it with oxalic acid when the gypsum is dry.

There are the following points: the putty layer or gypsum layer falls off, resulting in peeling of latex paint. This material is inferior in quality and does not meet the standard. The bottom layer is not brushed with steel bars or wall steel bars. Improper construction, the ground floor is not dry, and the temperature is 5-35 degrees. Humidity is greater than 85%. Latex paint is too thick, about 6 microns.

Wall peeling is also the delamination of latex paint base; This is a headache for residents, and it has little to do with whether anyone lives. Why do you say that? Because the phenomenon of alkali return will not appear because people live in the family for a long time; As long as conditions are formed in the wall, what should come will come. The peeling of the wall is mainly due to the long-term alternation of dry and wet on the wall, resulting in the phenomenon of alkali on the wall. After the alkali rises on the wall, the generated mycelium grows outward, and the latex paint film on the surface will hinder the growth of mycelium. Eventually, the latex paint film will be separated from the base, which becomes peeling phenomenon. Humidity at the base or later stage of the wall, such as soaking, soaking, leakage of external walls, leakage of upstairs neighbors, condensed water and other problems, will cause problems such as foaming and alkalization of the wall, leading to peeling of the wall. If the wall is wet and not dry when the putty is hung, or the latex paint is mixed with too much water, it will also lead to the problem of peeling on the wall in the later period.

It has something to do with it. The house is uninhabited, the air humidity is different, and there is a slight leakage. If not treated in time, it will become a serious illness after a long time, and mildew and peeling will be more serious.