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1. After all the bathrooms are waterproofed, they need to be thoroughly dried, so that they can do the test of closed water, and they can contact the residents downstairs in advance, so that the leakage can be informed in time to avoid unnecessary losses of the residents downstairs, and when doing the closed water test, the depth of the water storage can not be less than 20 cm, and the time can not be less than 72 hours, and the water level does not drop is qualified.
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Since it is waterproof from the new, it is necessary to level the ground from scratch and brush the waterproof paint after the floor tiles are removed. If only on the surface of the floor tile waterproofing can not be effective at all, the surface of the waterproof paint friction damage will still leak after a long time, the waterproof paint painting completely dry up time is about 3-4, which is determined according to the local temperature, under normal circumstances, the entire repair work lasts for about a week.
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It takes about 2,000 yuan and can be completed in a week.
In general, it does not take so long, and after knocking off the original tiles, you can re-use mortar waterproofing agent to do waterproofing after the ground is all dry, and it does not take 7 or 8 days to dry under normal circumstances.
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It is not excluded that the moisture that was sealed inside the wall before the waterproofing was redone may seep out, and if this is the case, there will be no problem when all the moisture in the wall seeps out.