ᐅ Prefabricated Solid Construction with Expanded Clay Walls – Experiences

Created on: 7 Apr 2020 19:28
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Andreas82
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Andreas82
7 Apr 2020 19:28
Dear forum members,

I am considering purchasing a solid prefabricated house from the 1960s. The walls are made of Leca expanded clay aggregate. The house is structurally sound, but it definitely needs a comprehensive renovation. Electrical systems, plumbing, and so on.

The house has a partial basement. There are some moisture spots in the basement. In addition, the brickwork at the base of the facade, where there is no basement underneath, is flaking off. It looks like frost damage.

Does anyone have experience with these types of houses? For upgrading the electrical system, work on the walls will be necessary (installing new boxes, chasing cable channels). Has anyone worked with Leca expanded clay aggregate in this context?

What is your assessment regarding moisture issues in the basement and the damage to the brick base?

Thank you very much in advance for your replies.

Best regards,
Andi

Hand hält Feuchtigkeitsmessgerät an weiße Wand in der Ecke; Spinne daneben


Eine Hand hält ein Feuchtigkeitsmessgerät mit kugelförmiger Sonde gegen eine Wand; Anzeige 0.54.


Weiße Wand mit Feuchtigkeitsschaden und Verfärbungen entlang der Fußleiste, daneben Teppichboden.


Rote Ziegelwand mit grauer Fugenmörtel, Abplatzungen und Erdreich unten mit Steinen.


Eckbereich einer roten Backsteinwand mit schräg stehender Holzleiter und Grünpflanzen.
11ant8 Apr 2020 00:10
Andreas82 schrieb:

I am considering buying a solid prefabricated house from the 1960s. The walls are made of Leca lightweight expanded clay aggregate.

We already discussed this topic here https://www.hausbau-forum.de/threads/innendaemmung-bzw-Wandaufbau-problematisch.16635/.
Andreas82 schrieb:

Does anyone have experience with these types of houses? For upgrading the electrical system, work on the walls is necessary (installing new boxes, chasing cable ducts). Has anyone dealt with Leca lightweight expanded clay in this context?

I would expect this work to be as straightforward as with pumice blocks, but here https://www.hausbau-forum.de/threads/Fertighaus-mit-betonfertigwaenden-Styropor-wer-kennt-so-etwas.33895/#post-379060 @halmi has a different opinion.
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Andreas82
12 Apr 2020 08:49
Thanks in advance for the response. Does anyone have any ideas regarding the cracking bricks at the base and what potential consequences this might entail?