House wall
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A part of the wall of my house...
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@cotty said:
A part of the wall of my house...
Do you really need the OSB between the two insulation layers?
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The outer part was prefabricated and the inner installation layer was added by me. Additionionally it forms the air tightness plane.
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Hi, cotty:
I am wondering, did you need additional thermal protection, or acoustic insulation? -
The wall is 43 cm thick, so there is no need for further insulation and it is very quite inside (if the children are not in the house).
@pbacot: thank you!
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So, then, is humidity and dew point an issue in your region?
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We have a ventilation system and the walls are open to diffusion.
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Ok that's good
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With solid foam like that, isn't the dewpoint pushed to the exterior anyway?
My parents built a cottage all of SIP panels roof and walls and it's functioned really well for many years in an area that does freeze (though not as much as northern Europe)
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@pbacot said:
With solid foam like that, isn't the dewpoint pushed to the exterior anyway?
There's only rock wool and wood fiber board in it, but yes.
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I thought it was foam. You need the foam tight or adhered to the outside face at least to keep the dewpoint outside the structure (AFAIK). P
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I'm not an expert, but this construction is a very common one for energy saving houses. It it important that there is a good air tightness leve so that no humidity gets into the wall.
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