Unreasonable expectations during this sub zero weather

Laurent Cyr · Jan 16, 2015

mass_burner said:
"Then I built my 2x4 walls and added pink insulation between, then the sheetrock panels."

Is there really a need for pink stuff on top of foam board? I would worry about mold

As per the comments below, the foam acts as a barrier against any humidity getting through. The top, bottom, sides and joints must be sealed with spray foam and/or tuck tape. The basement walls outside were sealed with tar and blue skin waterproofing. The extra pink insulation adds to the R value, as winters are cold here.

TheRambler · Jan 16, 2015

You just want to make sure to use unfaced insulation if putting it in in conjunction with foam board or other vapor barriers

Laurent Cyr · Jan 17, 2015

TheRambler said:
You just want to make sure to use unfaced insulation if putting it in in conjunction with foam board or other vapor barriers

Exactly. You don't want to create a barrier between the foam and the wall where humidity will stay and form mold.

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Unreasonable expectations during this sub zero weather

Laurent Cyr

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TheRambler

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Laurent Cyr

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