Hello.
We are having our toilet renovated, see http://www.byggahus.se/forum/badrum/250075-hojd-och-placering-av-avlopp-i-vagg-tvattstall.html. I'm taking the opportunity to ask in this forum too:

When can you cut rebar in an interior concrete wall? I don't think the wall has any load-bearing function, it is quite thin, about 10 cm.

When the worker renovating the WC room chiseled into the wall to install water and sewage, he stopped 10-15 cm too low. He justifies it by saying he encountered rebar and says it would be bad for the wall to cut it. I can't determine if it's a good reason to actually place the sewage and water too low, or if it's an excuse: that it would be troublesome to cut the rod.

Is there anything to what he says? If so, I can accept that the sewage isn't in the right place and comfort myself with the fact that the wall is stable, and vice versa: if I insist on having it redone and installed correctly, do I need to worry about the wall's strength?
 
The rebar is there for a reason, but there are more in the wall so it shouldn't be a problem to cut it, I think.
 
Mikael_L
Was it thin reinforcement, approximately 4-6 mm in diameter?
 
I don't know, unfortunately. The craftsman installed the drain and water and sealed it before I saw. Are there different sizes and types?
 
Mikael_L
Yes, there is mesh reinforcement that usually has material with about 5mm diameter, and this typically seldom has a load-bearing function (or is not included in calculations) in a wall such as the one you describe. Instead, the purpose is crack reinforcement, mainly to keep the wall itself together and not to add structural strength to the building frame.

Cutting such iron is absolutely no problem.

But otherwise, I'm not really willing to comment on, if you find a 12mm iron, it probably has a real purpose.
 
Thanks for the response! I can add that the house is built with lightweight concrete, 1950. I will try to ask what type of rebar it is.
 
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