ᐅ 30 cm + 10 cm Exterior Insulation and Finish System (EIFS) – Brick or Expanded Clay Aggregate Blocks?

Created on: 31 Dec 2011 17:37
B
Behaim
B
Behaim
31 Dec 2011 17:37
I know the question about the right building material has already been discussed extensively here. I actually just need brief and clear answers to one question:

Next year, I’m building a KfW 70 house with 130 sqm (1400 sq ft) of usable space, an air heat pump, triple glazing, a waterproof concrete basement (“white tank”) with 10 cm (4 inches) perimeter insulation, etc.

For the wall construction, we have decided on
30 cm (12 inches) brick + 10 cm (4 inches) external thermal insulation composite system (ETICS / EIFS).

We wanted a reasonably solid and well-sized wall and not too thick external insulation. That’s why we decided against the often used 24 cm (9.5 inches) thickness and are using a 30 cm (12 inches) brick.

Our builder recommends either clay bricks (probably T12 or T14) or the Liapor Super K-Plus lightweight aggregate brick.

We place great importance on thermal insulation and soundproofing! Especially the interior walls should also provide a decent level of sound insulation.

We have already excluded aerated concrete and sand-lime bricks.

I would be very grateful for some reliable information and opinions on the topic of thermal insulation and soundproofing regarding clay bricks or Liapor! (Possibly also further advantages and disadvantages of this brick) THANK YOU!

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