Who should repair the desquamation of external wall skin?

Looking for the person responsible for the peeling of the external wall skin should be judged according to the peeling:

1, as shown in figure:

This kind of situation belongs to the responsibility of building plastering, which is caused by improper operation (too wet or too dry wall foundation) when the sand ash layer and coating layer fall off together.

2. As shown in the figure:

Most of the area is the peeling of exterior wall paint. The reason is that the putty layer is not well combined with the coating. First, the putty layer powdering or the quality of exterior wall coating is unqualified, which is the responsibility of exterior wall coating construction.

3、

This situation is local alkali-because the wall is wet for a long time, which leads to the return of alkali to the wall and the peeling of the wall coating. This situation is caused by water seepage, and the responsibility of the leaking party should be investigated.