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Look at the pipes below the floor slab to see if there are any bad places and leaks.
The water outlet pipe in the kitchen was blocked, and a large amount of water on the second floor could not come out for a while, and it flowed backwards. Spend 50 yuan to get through the channel.
First, it has nothing to do with the second floor, of course, people don't want you to dismantle the pipes of his house, and negotiating with the second floor is a property matter. It's public property, and you shouldn't pay for it. Second, why change it to the outside of the corridor, just change the pipe and see if you can repair the original state! >>>More
Call a few more plumbers, listen to their suggestions, and how much, see who is reasonable and the price is low, and find him to do it!
The sewers are impassable and the water flows backwards.
How to say it, normally the sewer pipe can be changed, but it depends on how high the mouth of the sewer pipe is from the ground, and will it be easy to block if it is changed? Talking about the smoke pipe of the smoke machine, in fact, it has no effect if it is longer, as long as it does not turn many corners. It will not affect the smoke exhaust.