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Anonymous users2024-01-24The waterproofing upstairs is not done, or the waterproofing of your toilet is not done, it is too wet, and it appears.
The quality of the bathroom floor tiles is not good, and the time is a little longer, and this phenomenon will occur
Too wet and not wrung out, no sunlight. Usually, wash it and dry it in a ventilated place so that it will not turn black.
1. Water seepage on the wall caused by pipeline leakage. Water seepage on the wall caused by leaking pipes is a relatively common cause. You can look at the construction drawings and check the direction of the water pipes at home. >>>More
1. The waterproof coating film at the junction of the wall and the ground of the bathroom is not seamlessly connected or damaged in the later tiling process. >>>More
Generally, the wall of the bathroom is 400-500 high from the ground, and it is best to do waterproofing, if you don't do it at home, it is likely that the water seeps during the bath. >>>More