Causes and treatment methods of wall hollowing in blank house

In fact, if the wall hollowing of blank houses is not handled in time before or during decoration, it will cause large-scale cracking and hollowing of the wall after decoration. Therefore, when this problem is found, it is necessary to find the reason in time for handling. Come and have a look with me!

Problems in the process of building construction

In the process of building main body construction, the cement content in the wall powder ash layer is low, while the lime content is too heavy, which leads to poor wall structure and low adhesion, which directly leads to the hollowing and cracking of the wall. This kind of wall is commonly known as "sand ash wall".

Make rounds and find problems in time.

If such problems are found in the house inspection, please ask the house inspector to mark the hollowing and cracking places on the corresponding wall, and the owner will feedback the problem to the residential property company and ask them to rectify it in time (remove the hollowing and cracking places and powder cement mortar again).

Treatment methods in decoration

In decoration and wall construction, the original damaged wall should be covered with a layer of white cement (this construction process should also be added if the original wall has thermal insulation wall) to enhance the overall structure of the wall, and the cracked part of the wall should be pasted with cloth; When plastering environmental protection putty, some glue should be mixed to increase the strength and adhesion of walls and structures.