ᐅ Building with different types of bricks than those specified in the approved plans and structural calculations
Created on: 25 Mar 2021 08:43
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RomanRot
Hi, I have the following question:
We originally planned to build our new house using T9 Poroton bricks, 36.5cm (14.4 inches) thick, which would be approved, and the structural engineering and thermal insulation calculations would be prepared accordingly.
Now we have received a proposal to build the house using aerated concrete blocks ytong.
My question is, would the structural engineering and thermal insulation calculations need to be redone in this case?
We originally planned to build our new house using T9 Poroton bricks, 36.5cm (14.4 inches) thick, which would be approved, and the structural engineering and thermal insulation calculations would be prepared accordingly.
Now we have received a proposal to build the house using aerated concrete blocks ytong.
My question is, would the structural engineering and thermal insulation calculations need to be redone in this case?
RomanRot schrieb:
Great, that’s exactly what our energy consultant and structural engineer told me.Yes, that’s how it goes: ask a forum, and you’ll get an answer you want to hear 😉
icandoit schrieb:
If the wall thickness, strength class, and thermal conductivity are the same or better, in my opinion this should be possible without structural engineering approval or a new thermal protection calculation.
Usually, the documents state "or equivalent".Is it possible to do this when switching from Poroton to Ytong?
face26 schrieb:
Is it possible when switching from Poroton to Ytong?I don’t know. I’m not familiar with either one.icandoit schrieb:
I don’t know. I know neither one better than the other.Me neither.
Since I was initially undecided between the two building materials (or rather two structural shell builders / leaned more toward masonry) during the planning of our build, and since I at least have a direct comparison with one of them, I’m at least raising a skeptical eyebrow. 😉
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Stefan00126 Mar 2021 08:44I would at least consider the density as well.
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