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You won't post this yourself, pay attention to the waterproofing to do a good job, brush the waterproof a few more times.
I asked the master to do it, first around, and then slowly approached the floor drain, to make sure that the floor drain is the lowest part of the whole bathroom.
When paving, the floor drain should be plugged with a broken sack or something, so as not to leak into the foreign body and block it.
The time when the porcelain in the bathroom is laid must be from the inside out, and the person who pounces on the door will come out. >>>More
Generally speaking, the convenient drain will use that drain, there is nothing to worry about, their sewer pipes eventually converge into a pipe, I hope it can help you!
Generally, it is posted at the door to the floor.
Double wrapping is good, otherwise the seams are difficult to deal with. >>>More
It may be that the sewer pipe of the floor drain on the 7th floor is leaking, because the floor drain sewer branch on the 7th floor is on the ceiling on the 6th floor, and the sewer pipe is buried in the ceiling on the 6th floor, and it is invisible.