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As long as the slope of the horizontal sewer pipe is not less than 2%, it is fine.
The key is to find out who is responsible for the water leak? The responsible party shall bear the losses caused by the correction. >>>More
You can use snakeskin lead tubing instead, which makes it easier to seal.
Stuff it with boiling water, fruit peel and banana peel, rinse slowly, wash it and cover it with cardboard.
The pipes need to be repaired, and then the waterproofing layer needs to be done again.
1. You need to check the kitchen sewer pipe, you must find out where it is leaking, if it is an open pipe, it is easier to find, if it is a dark pipe, it will be much more troublesome, and you have to press the water pipe to know which water pipe is leaking. >>>More