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Anonymous users2024-01-24The vast majority of the leakage to the downstairs, the treatment point is useless, the whole surface has to be treated, only to ensure that the entire ground is completely free of water can penetrate into the mortar layer below the surface of the tile, there will be no water seepage to the waterproof layer of the damage, so that the problem of water leakage is solved.
Theoretically, as long as the waterproof layer is damaged somewhere, the open water in the bathroom penetrates below the tile surface from the corners, tile surfaces and joints, or any other possible place, and concentrates on the mortar layer, which is equivalent to becoming a water layer, and then concentrates on the waterproof layer where it is damaged and leaks downstairs.
It can also be that the upstairs waterproofing is not done, remove the aluminum gusset to check it, if it is a waterproof problem, it is recommended that you coordinate with your neighbors, and it is best to deal with it as soon as possible.
It could be that your urinal and other sewer pipes are leaking, and you can only confirm it in detail by asking you to disassemble the ceiling downstairs!
Don't you use gusset ceilings in your kitchen? Looking at the picture, it seems that the roof was directly painted, right? If so, the watermark should be that the kitchen in the same location of the neighbor's upstairs has not been waterproofed or not done well, and there is a water leak in that part of the kitchen, causing the floor to penetrate, so there will be a watermark on the ceiling of your house. >>>More
The upstairs ground should not be waterproofed, this is best to find a property. >>>More
Water seepage around the upper and lower water pipes on the roof of the bathroom is a concentrated manifestation of leakage in the upstairs bathroom, and it is not necessarily (generally not) that there are cracks in the sewer pipes, and there is generally a cushion between the floor base and the surface layer of the bathroom, that is to say, for the water, the floor base and the surface layer are passable, and the water can penetrate and move freely, and generally speaking, the water is most likely to leak from the gaps around the sewer pipe to the downstairs. >>>More