-
This is generally determined by each independent room (space), that is, by the ground elevation, if the height difference of each relatively independent room is not very large, considering the actual operability of the construction, sometimes only a unified elevation is determined. It should be noted here that the height of the switch in each room must be uniform, otherwise it will be ugly.
There used to be, and it used to be washroom cast-in-place. >>>More
Copper pedals can be added or rubber soft plates can be added to connect with the ground.
The developer has a five-year warranty. Judging by looking at the picture, it can be repaired, and the strong joints should be repaired with cement mortar first, and then brushed again to waterproof.
ǽÃ30cmµÄ·30ÀåÃ
If it has just been done, it is considered normal, but if it has been done for a while, it may be a local problem.