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Is there a protective layer on top of the waterproof? Tiles? Generally, when the tiles are inlaid, look for flashing. I didn't understand what you said about drilling a small hole in the sewer.
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The slope must be found, otherwise there is no way to use it!
First of all, the ground should be level, and there should be no trachoma. Floor drains, wall corners, pipe roots and other joints should use a flexible waterproof coating with high elasticity, and the joints will be displaced and are most prone to water seepage. >>>More
The floor tiles are delaminated, mainly because of the lack of printing water when laying the bricks. >>>More
If it is professionally waterproof, after soaking for a week without seeping water, then you don't have to worry about it. Generally, after soaking in water for 30 minutes, there is no water seepage, and it is basically fine.
If there is a water inlet in the wet area at the door, it is likely that the water seepage is from the water outlet. Another possibility is that the tile joints are seeping water.
The wall is 25 square meters, each tile square meter, about 140 pieces are needed (without considering the loss), one yuan, you need yuan; The ground area is 6 square meters, and 11 floor tiles of 30 30 (cm) are needed per square meter, and at least 66 floor tiles are required for 6 square meters, and each floor tile is calculated for 10 yuan - the floor tiles at this price are not too bad, and they need 660 yuan. This adds up to a little more than 3,000 yuan, plus some losses, even if it is 3,500 yuan - the grade of 5,000 yuan is not low!