Parquet stepped on the flickering, what is the reason?

Reason 1The ground is not leveled 2After leveling, the ground is hollow due to various reasons

After leveling, the drying period is too short to pave the floor, resulting in the deformation of the floor by moisture 4The floor is deformed by moisture due to various other reasons5The expansion joints left around the floor are not left or are too small, resulting in the deformation of the slab6

There is a problem with the quality of the plate itself.

If the cause is caused by uneven ground, the floor manufacturer still has problems in the installation process, before installing the floor, the floor manufacturer should first go to the site to check whether the ground flatness is suitable for paving the floor. The renovation company should also have an obligation to inform. Both parties are responsible, but the flooring party is primarily responsible.

There are many reasons for the hollowing of the floor, as long as the floor is not leveled before laying, and the flatness does not meet the basic requirements of floor laying; It is also seen that the floor arches and upturns caused by the moisture deformation of the floor; Then there is the problem of the quality of the floor itself, which is caused by uneven water content.

It's because the ground isn't leveled, so it doesn't matter.