Lifetime and longevity of an ITE (external insulation)

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dodo
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Lifetime and longevity of an ITE (external insulation)




by dodo » 08/03/11, 23:07

Hello,

from what i understand it would be the best isolation.

I would like to know if we had enough perspective on the longevity of this type of insulation.
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by Christophe » 08/03/11, 23:13

Uh it's a bit broad as a question isn't it?

There are so many ITE techniques ...
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by swift2540 » 08/03/11, 23:16

In Belgium, it's been over 30 years that we build with ite (of course with thicknesses + small)
My father enlarged his house in 1974, there is 5cm of vermiculite (that's what we were doing at the time) on the new part. It does not move.
The main problems encountered are poorly controlled insulation / thermal bridge faults.
Or non-compliant insulators (e.g. humidity)
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by dodo » 09/03/11, 21:13

Christophe wrote:Uh it's a bit broad as a question isn't it?

There are so many ITE techniques ...


me the one I see everywhere is that of the polystirene glued to the facade.
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by dodo » 16/03/11, 21:51

I think that the slightest shock on the facade may damage it.
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by netshaman » 16/03/11, 22:24

Yes, but we can cover it with a more solid material.
Like wooden blades for example.
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by dodo » 28/06/11, 22:27

swift2540 wrote:In Belgium, it's been over 30 years that we build with ite (of course with thicknesses + small)
My father enlarged his house in 1974, there is 5cm of vermiculite (that's what we were doing at the time) on the new part. It does not move.
The main problems encountered are poorly controlled insulation / thermal bridge faults.
Or non-compliant insulators (e.g. humidity)


it is clear that the insulation does not move but the insulation has not lost these insulating capacity.
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by Christophe » 28/06/11, 23:33

The only insulators that can lose their insulating capacity are wool (rock, glass but also wood ...) or flakes (rock, wadding ...) which would take moisture (projection but also condensation or ambient due to lack of ventilation or assembly fault ...) ...

Polystyrene if it is mechanically protected (necessarily) it is "immortal" ... Because a ratiboised polystyrene eaten by generations of mice it no longer isolates : Cheesy:
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by swift2540 » 28/06/11, 23:40

What "kills" synthetic materials in general is UV.
Sandwiched in the construction, they are protected from UV ==> no degradation problems over time 8)
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by Christophe » 29/06/11, 00:21

I do not know how the extruded polystyrene resists UV, I do not have the impression that it is sensitive ... the expanded is probably a little more!

But hey: I don't know many houses that ultimately leave their insulation "raw" (except during periods of crisis like now ...) it is in 99% of cases clad or clad in finish ...
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