The main cause of arch is often affected by large blisters on the floor, the following rainstorm did not close the window, the rain washed into the cup was beaten promptly immersed in the floor. Floor blisters, the floor volume increases, causing the arch, this problem is often caused due to improper handling, its responsibility should be responsible for the water leak side.
If the laying is dry season, trough tightened, when the ambient humidity increases, the floor swell with the ambient humidity increases, the floor tightly assembled together can not be extended, only upward expansion, causing arch. To this end the responsibility of the laying of construction workers.
In addition, there is a possibility that the wooden floor moisture content is too low, the wooden floor is too dry, once the damp water absorption caused by the deformation arch. For large manufacturers or well-known manufacturers of products, there will be little less than the phenomenon of indicators. This responsibility should be borne by the floor manufacturer.