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It must be that the floor drain in your bathroom is not good, find someone to repair it, and repair it for someone else's house.
Suggestion: Find a property first. If you suspect that there is a leak in the floor heating, you can find a floor heating maintenance company to conduct a pressure test and find the identified leakage point, as long as you open a small piece of tile or wooden floor. Then distinguish the responsibility for the accident and fix it.
Your bathroom is not waterproofed.
Now the common phenomenon, mainly the tile joint infiltration to make the shed leakage, generally the tile joint with white cement mixed with glue can be done, maintenance it, so that the tile joint no leakage can be.
Let the property come up with a specific implementation plan, and the party agrees to sign. >>>More
It should be a place where there is a water leak, focus on checking the location of the floor drain, the leakage at the floor drain may be relatively large, you need to find a waterproof master to deal with it, and replace the floor drain by the way.