ᐅ Poroton or lime-sand brick

Created on: 15 Sep 2016 15:09
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Malz1902
Which type of brick should be used for the masonry? For both interior and exterior walls.
Single-family house with 128m² (1,378 sq ft) and a basement.

Poroton or calcium silicate brick.

The house will be finished with a brick veneer.
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R.Hotzenplotz
4 Oct 2017 07:42
The weak point in sound insulation, according to all the suppliers I have contacted so far, is the windows (even those with sound insulation class II) rather than the masonry. Therefore, they said that while this comparison is correct, its relevance is more of an academic nature.

I find the question more interesting as to whether either of the two options keeps the heat out longer or better during the summer.
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readytorumble
4 Oct 2017 08:06
We have now been living in our Poroton house for 4 months.
The whole issue with cigarettes is obviously nonsense.

Nailing into Poroton bricks was indeed somewhat challenging during the shell construction phase. Attaching formwork boards, windows, and so on was a bit more difficult. However, that’s not your concern! It was ours since we did the shell, windows, and so forth ourselves with the help of friends and acquaintances. Still, it was never so problematic that we regretted building with Poroton.

Since the walls were plastered, we have never had any problems attaching anything to the walls again. I haven’t had to use any special anchors so far. Kitchen cabinets and the like are firmly secured.
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Peanuts74
4 Oct 2017 09:36
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R.Hotzenplotz schrieb:
According to all the suppliers I have contacted so far, the weak point in sound insulation is the windows (even those with sound insulation class II) rather than the masonry. Therefore, they said that while this comparison is correct, its practical relevance is rather academic.


I find the question more interesting whether one of the two options keeps the heat out longer or better during summer.


It is also about sound insulation between the different rooms!
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R.Hotzenplotz
4 Oct 2017 13:31
Peanuts74 schrieb:
It’s also about sound insulation between the different rooms!

That is an argument. For us, a very important one.
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readytorumble
4 Oct 2017 13:58
Are the interior walls definitely going to be made from Poroton as well?
11ant4 Oct 2017 14:27
readytorumble schrieb:
Are the interior walls definitely going to be made from Poroton?

For that, you need to check the construction specifications in each individual case. It is rare for all walls to be made the same throughout; more often, the interior walls (of the standard floors) are constructed from sand-lime brick. For attic floors, lightweight partition walls are almost as common as sand-lime brick.

The builders’ reasons for their preference are usually quite simple: sand-lime brick allows the interior walls to be built without tying them into other structures, meaning the work can be divided into two separate phases; for sloped ceilings, some builders prefer installing panels rather than building with masonry.
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