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The pad layer is made concrete, which makes it difficult to maintain drainage in the future.
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What does it have to do with sewer pipes when you hit concrete?
The flue is definitely not good, the following ones are used for ventilation, the water is okay, it belongs to the sky pipe, it is breathable, but it is not blocked.
Brush up on a layer of plugging spirits.
If it is influential, it mainly depends on two aspects; Whether the exhaust of the bathroom is discharged into the flue, if so, it has an impact; The kitchen is a bathroom, how to deal with the sewage, if you directly use the sewage pipe in the kitchen to renovate, the smell will still be affected, and a building will be affected.
When pouring the beam slab, the thickness of the toilet position is generally lower than the elevation of the board surface.
There are many waterproofing materials that can be used for the concrete plant house surface: >>>More