* * * Empty drum attribute of corridor wall is not processed.

You can complain or report to the Housing Authority.

The hollowing of the wall of the house must be dealt with, otherwise it may cause collapse and affect the safety of the owner.

Empty drum wall refers to the bottom or surface materials used in indoor walls, such as latex paint, putty, gypsum and white powder. , due to improper construction technology or be affected with damp, foaming, warping and bulging. Therefore, when painting the wall, the dirt on the surface of the base must be removed.