Corded wooden house

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oli 80
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Corded wooden house




by oli 80 » 11/02/10, 20:51

good evening, here is a project that I discovered in my department,

it is a corded wooden house http://www.emmaus-forbach.fr/boiscord%E9

the insulation is made with old clothes,
of course they do not put pullovers or pants in the wall or in the attic : Mrgreen:

the old clothes go into machines that make them a kind of wool of fabrics, a little like the wool of glass of rock or wood
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yanel001
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by yanel001 » 11/02/10, 22:09

Hi,

It's amazing new techniques that are invented with recycling equipment.

I knew this concept used at Emmaus but it's nice to have an example in image : Cheesy:
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by Christophe » 12/02/10, 11:47

It's interresting but it's not new I think: it's quite common in Quebec.

This kind of construction is, I think, more durable (in the sense of durability) than the classic stacked log.

Is there any exterior treatment on the "ends" of the logs?
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minguinhirigue
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by minguinhirigue » 12/02/10, 13:34

Hello, nice project indeed.

I am just surprised at the interior insulation on a building of this type ...

Christophe, can you explain your opinion on the durability of corded wood?

I am afraid that the 'big' joints and the laying of wood fibers in the rain are not the best points against the classic poses of fustes (logs in the length of the wall).

On the other hand, the thickness and the structural stability of the whole are probably assets.

Otherwise beautiful project, bravo Emmaus.
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by Christophe » 12/02/10, 13:37

minguinhirigue wrote:Christophe, can you explain your opinion on the durability of corded wood?


Ben the surface "attack" on the wood corded by the bad weather is largely reduced compared to a traditional wooden house ... I agree with your remark on the fibers hence mine on the "treatment" outer ends ...

But a priori, the rope technique has a better hold over time and especially less maintenance ... than logs laid "traditionally" ...
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by oiseautempete » 12/02/10, 15:19

Christophe wrote:
minguinhirigue wrote:Christophe, can you explain your opinion on the durability of corded wood?


Ben the surface "attack" on the wood corded by the bad weather is largely reduced compared to a traditional wooden house ... I agree with your remark on the fibers hence mine on the "treatment" outer ends ...

But a priori, the rope technique has a better hold over time and especially less maintenance ... than logs laid "traditionally" ...


The duration in time I am not sure that it is better: the wood presents itself from end to bad weather and at the end the wood is a real vacuum cleaner with float and if one "treats" the ends, I fear that it will either hardly "ecological" ...
The only interest of this technique, in my opinion, is to allow the construction with low section wood very inexpensive and easy to handle ...
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by Christophe » 12/02/10, 15:44

Well yes, but read my 1ere answer on the subject I asked if a treatment was applied on the tips ...

Is there any exterior treatment on the "ends" of the logs?
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by Rabbit » 12/02/10, 18:27

The biggest problem of this type of construction is the
change of diameter of the logs when their humidity
is suitable for construction after installation, at humidity change
the seasons and even bad weather.
This change of diameter of the logs in their mortar gangue
(even with lime) causes inevitable air flow.
The insulation of this type of construction leaves a lot to be desired.
There is social housing that has been built with this technique
in Houmont (Belgium). I met some tenants
and from what I have seen it is not the panacea.
I will do a photo opportunity.

see this page which confirms these sealing problems:
http://www.inti.be/ecotopie/boiscord.html
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by Christophe » 12/02/10, 18:34

Actually in this case, I withdraw what I said above ...

But there is no way to properly waterproof the outer ends?
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by Rabbit » 12/02/10, 18:41

An exterior coating seems to be the best solution.
The disadvantage is that no one will see that it is
a rope wooden house.
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