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It is good to put a plastic sheet underneath and plaster it with cement, sand, and water dressed as concrete, which is practical and cheap.
The standard floor drain is a 50-pipe floor drain, and the height from the floor to the sewer pipe is 8 cm. >>>More
Close the cavities inside the balcony – the air vents smell normal, close unnecessary cavities and allow it to ventilate at the highest point.
Check whether the pipes are inside the balcony or outside the wall, there is no need to deal with them outside, and it is better to close them with tiles or stone inside, which is both beautiful and sound-dampening.
It depends on where the storm pipe leads to, if it goes to the sewer, if it goes to the ground, it's better not to be a drain for the washing machine, after all, it's all neighborhoods, don't affect the life on the first floor
No, it's the drain pipe upstairs, you cut it and he can't drain it. Unless he doesn't use the tube anymore, you can ask the upstairs neighbor.