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The small volley is solved, and the large one is slightly more difficult.
I don't know if there are any of them, but there are ones I've lived in.
It can be used with Huabian, which is specially used for water seepage treatment of rigid joints. >>>More
High-pressure grouting plugging, use hydrophobic foamed polyurethane, do not use hydrophilic polyurethane, the repair rate of hydrophilic polyurethane will be relatively high.
Start by identifying where the water is leaking. If it is only a joint leakage, under the premise that the quality of the pipe is qualified, the joint can be replaced or a leak-proof sealing tape and AB sealant can be added to the joint; If the quality of the pipe is not good, the pipe should be replaced. You can also apply the adjusted AB glue in the leaking place, and then wrap a layer of ribbon on it, so that the ribbon is soaked with AB glue and then apply a layer of AB glue on the ribbon, and the whole process can be divided into two or many times.
If you can see what you can reach, you will fish it out; If you can't see it, you can use a pump to suck it up and fish it out, and the rest will be washed down. >>>More