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No. It will crack and fall off. It is recommended to level with cement mortar.
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No, how can putty powder be so thick.
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Putty can't be so thick. Within 3 cm.
Is there a height drop? Wouldn't it be nice if you leveled it, it didn't make much difference.
Hello, you should find the developer, and if the negotiation fails, you can sue to solve it.
Buy a 400 pit distance toilet, after installation will have a gap with the wall, will not affect the normal use, if you don't worry, you can only have two wooden strips behind who wants to. There is no need to have any mental obstacles.
Then it is advisable to divide and paste the last two bricks equally, and it is best not to appear a few centimeters of small strips, which are not intuitively good-looking.
Generally, there is no better situation in this situation, so you can only make other adjustments according to this floor drain, such as installing a shower or installing other things to adjust.