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I suggest that the bathroom is best tiled, so that there will be no such troubles as you said, and there will be no second construction.
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There are pitting on the cement wall of the bathroom in order to make it more convenient to paste tiles in the back, and there is no need to smooth it with plain cement grout!
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The uneven cement wall of the bathroom is correct, because it is necessary to pave the way for hanging tiles in the future, if it is smoothed, it is wrong, unless it is not decorated.
Yes, but the effect is not good, and it won't take long to break! Generally tiled! Good looking and durable!
It is better not to use, or to consider future maintenance, muck backfill is easy to have empty places
It does not need thermal insulation, it is not suitable to use perlite mortar, and the strength, stiffness, and bearing capacity are not enough. I hope my answer can help you.
The waterproof effect of simple cement slurry is limited, it is easy to crack, even if it is temporarily useful, it will not last long, you can save trouble and money can add silicone waterproofing agent to the cement slurry, its waterproof effect will be greatly improved, and the more secure way is to paint JS, K11 or other types of waterproof coatings. >>>More
24 hours at room temperature and 36 hours at low temperature.