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You can apply another layer or just patch up this small piece.
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It's time to fix it quickly.
To do waterproofing, you need to do it on the front of the water. >>>More
It's still leaking, but it's not obvious, it's easy to deal with, you buy a bag of water that doesn't leak, sprinkle it around the pipe, and press it evenly with your hands.
No protection. Do a water retention experiment before laying bricks to prevent water leakage. When laying bricks, just apply sand and plaster.
The newly solidified cement floor can choose CF-2000 high-efficiency composite waterproofing agent rigid waterproof material for waterproof construction. Other waterproof materials generally require waterproof construction when the water content of the concrete foundation is less than 5%, so as to ensure that the waterproof quality reaches a qualified level.
I don't know what material is waterproof. If it is painted, laying bricks immediately before drying will cause waterproof failure!