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The problem of water seepage in the corner of the bathroom may be that the waterproofing membrane was not done well during the construction of the building, and now you can lay a layer of waterproof asphalt to try.
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It should be that the buried water pipe has cracked, so let's open the wall anew.
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According to the analysis of the situation you mentioned, it may be caused by a leak in the hidden water pipe in the corner of the bathroom wall, and the wall needs to be disassembled to find and repair.
Do waterproofing needs to be done on the surface of the water, dig excellent permeability crystalline waterproofing, you can do it yourself on the cement surface with a super permeable waterproof guard (if there are cracks and potholes on the cement surface, fill the complete with metin porcelain glue and then do waterproofing). >>>More
1. Determine the cause of water seepage in the bathroom.
Water seepage is generally divided into two types: one is ground water seepage; The second is the leakage of water pipes. If it is water seepage on the ground, there will be corresponding water seepage on the roof downstairs; If the water is stopped and the seepage disappears, this is the problem. >>>More
If the water pipe in the bathroom is broken and seeping, it is necessary to plane the wall tiles, find the parts of the water pipe joints, see if the water pipes are broken or the joints are leaking, and then replace the water pipes, and then restore the wall tiles.
1. First of all, knock out all the floor tiles and wall tiles about 30cm in the lower part of the wall. (Note: Knock before you knock.) >>>More
If not, use glass glue of the same color as marble to connect the sink to the wall to prevent water from seeping into the wooden cabinet along the wall.