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Anonymous users2024-01-24If it is only drainage, the above one is the usual practice, and the general drainage does not need to use a trap, only sewage is used, if it is connected to the sewage pipe, it must be connected to the trap.
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Anonymous users2024-01-23About half a glass of water is stored in that little bend.
The pipe at the junction between the corner floor and the common drain pipe is broken, and even if you don't use water, the upstairs drainage will also be affected. The floor can be plugged with cement mortar + waterproofing agent.
Generally, it is 50, it is better to change it to 75 pipe diameter, it is better.
No matter what kind of glue, there can be no water when gluing, PVC glue, AB glue, tempered glue are recommended.
It can be negotiated to deal with, which means that it is in disrepair, and that it is not the fault and damage of the users on the few floors, so it can be shared by the users on the fourth floor and above. >>>More
You have been using it, you use it when you drain it, you have the right to use it, but if it is broken, you are also obliged to repair it.