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> Bathroom floors are not level for a good reason

Most residential bathrooms do not include a drain in the middle, at least in my part of the world.

Most residential bathroom floors here are as level as the tradesman can get them.



Huh, interesting. That's not the case in Australia, in all the houses I've seen. I always thought it was smart, though.


It's very common (maybe even code?) in commercial bathrooms in the US as well.

Not sure if the residential code is lagging, or if it's just not a popular design here.


No floor drains are required in commercial ICC code, but they're a really good idea.

https://codes.iccsafe.org/content/IPC2021P3/chapter-4-fixtur...


Where I am in Aus, you can either have floor drains (with a specified fall in the floor) or each basin/bath has to have built-in overflow prevention.




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