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There is no way, you can only knock off the tiles and start again, you can't always let the downstairs say you, do two layers of waterproofing, waterproof to do a little higher.
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Find the leak point, pry open the tiles, it is estimated that the water and electricity and waterproofing are not done, redo it. Do a waterproof test when doing waterproofing, at least 48 hours or more.
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Waterproofing around the pipe is not done,
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I had to do it again.
First of all, do you rule out a leaky water pipe? Close it for a while to see if it's still going down? If the downstairs wall continues to be wet, the pipe has a dew point, on the contrary, the pipe is fine, that is, the 4 waterproof layers of your bathroom have not been treated, it is recommended that you buy special glue and white cement and together according to a gap to make up all the gaps, it should be fine.
Indoor polyurethane waterproof coatings are now generally one-component environmentally friendly, and the thickness after brushing is generally required to be thick, and it is not easy to control it if it is brushed several times. In home decoration, if there is a shower in the bathroom, the painting height is, if there is no shower, the painting height is. Price analysis of polyurethane waterproofing per square meter: >>>More
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1. All that is the waterproofing of the bathroom is not done well to cause leakage, and the problem of ground waterproofing needs to be re-treated, otherwise it will seriously affect the relationship between neighbors.
If the water leakage is tested before the delivery, it is the responsibility of the developer, and the water leakage after the delivery of the house is not leaked, and the leakage after the paving of floor tiles needs to be filled by the owner.