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In principle, the blank is not waterproofed when delivered, and if the fee charged is the same, it should be the most waterproof.
1. According to the national standard for the delivery of rough houses, there is no clear requirement that the bathroom and kitchen must be pasted with porcelain tiles. >>>More
There is no need, this kind of slope is basically more after decoration.
Hello, your understanding is correct.
Even if it is a rough house, at the time of handover, the bathroom and kitchen must be waterproofed before they can be delivered. >>>More
It can be changed, add an elbow to the ground and change it as far as you want, and then build a platform with bricks.
Because the photo is too small and pasty, it is even more mushy when I zoom in, so I can only guess: the three short thick pipes seem to be drainage pipes.