Hello everyone!
The whole process of planning and building is really difficult and slow. At every new step, I feel like no one can tell you the right way to proceed, and a lot of it is learning by doing...
Well, we managed to complete a design draft with our architect that we like. I will share it in another thread soon. Now I am focusing on how the house could be built. Ideally, I would like to build turnkey with a local general contractor (GC), alternatively by contracting individual trades – but looking at the price expectations from the architect and the structural engineer, that might be too expensive for me...
I would like to build a “healthy” home for my family. Don’t get me wrong, I’m not obsessive about it. But when I read brochures from companies like Baufritz and others, it makes you think. Wall construction is one thing – I prefer solid construction and no polystyrene, that already makes me feel quite comfortable. But what about all the sources of volatile substances, adhesives, PU foam, and so on...
What can I do, and what have you done, to ensure the healthiest possible living environment? Do windows have to be installed without foam? Should parquet flooring not be glued? What should the homeowner keep in mind?
Thanks,
Gerddieter
The whole process of planning and building is really difficult and slow. At every new step, I feel like no one can tell you the right way to proceed, and a lot of it is learning by doing...
Well, we managed to complete a design draft with our architect that we like. I will share it in another thread soon. Now I am focusing on how the house could be built. Ideally, I would like to build turnkey with a local general contractor (GC), alternatively by contracting individual trades – but looking at the price expectations from the architect and the structural engineer, that might be too expensive for me...
I would like to build a “healthy” home for my family. Don’t get me wrong, I’m not obsessive about it. But when I read brochures from companies like Baufritz and others, it makes you think. Wall construction is one thing – I prefer solid construction and no polystyrene, that already makes me feel quite comfortable. But what about all the sources of volatile substances, adhesives, PU foam, and so on...
What can I do, and what have you done, to ensure the healthiest possible living environment? Do windows have to be installed without foam? Should parquet flooring not be glued? What should the homeowner keep in mind?
Thanks,
Gerddieter
B
Bertram10010 Sep 2021 16:34RotorMotor schrieb:
And what exactly was so pleasant there? Or more pleasant than in other houses? Or even more pleasant than outside?
Or was it maybe just the wood appearance? Or the resin that evaporated from the wood? That’s hard to describe, I think. It simply wasn’t damp or dry. Sometimes, when I enter a store, I immediately notice that the indoor climate is unpleasant. I can’t explain it well, but I have a “feeling” of how a room feels.
H
hampshire10 Sep 2021 17:13nordanney schrieb:
A wall that actually allowed free air exchange from inside to outside and vice versa would be a building physics disaster.No, this wall just has an open window. RotorMotor schrieb:
Ah, measurable—then show us the measured data.Do you see here? This book is even used at universities.R
RotorMotor10 Sep 2021 17:19hampshire schrieb:
If you read here, the book is also used at universities.
[ATTACH alt="87D35B80-5D87-44BD-B7CC-256431D94E9A.jpeg"]65335[/ATTACH]Please be specific at last. Posting a randomly selected book cover doesn’t support any of your claims.
Whenever you don’t know the answer, you tell others to read and google.
However, I am quite sure that your comparison of walls to lungs does not stand up to any scientific investigation!
So, let’s get to the point: how much CO2 actually passes through your wooden walls?
I have solid wood walls (I wonder if anyone notices a different indoor climate) but without a wood-look finish. The walls are vapor-permeable and there is a ventilation system. This was recommended because of air exchange.
And I can tell the difference between having the window open, controlled residential ventilation, or no ventilation at all.
And I can tell the difference between having the window open, controlled residential ventilation, or no ventilation at all.
There is no specific preferred direction for diffusion. The concentration gradient is the key factor. Therefore, CO2 would diffuse out of the house, and O2 would diffuse inside. N2 does not have an effect, as its concentration is the same both inside and outside. CO2 is a larger molecule than O2, so it diffuses slightly more slowly, but this difference is almost negligible.
Almost nothing is completely airtight, including walls. Therefore, diffusion exchange can be measured but is also negligibly small.
Almost nothing is completely airtight, including walls. Therefore, diffusion exchange can be measured but is also negligibly small.
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