I guess I'm asking a Building Science question here, but in a Northern Climate (e.g., 6A), What does an interior vapor retarder actually do, especially if the air barrier is…
I have a question which is driven by the 2009 IRC code requirement for unvented cathedral ceilings; specifically the requirement that at least 1/2 of the total R-value be made…
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How does a vapor retarder work in a Northern climate?
I guess I'm asking a Building Science question here, but in a Northern Climate (e.g., 6A), What does an interior vapor retarder actually do, especially if the air barrier is…
Impermeable insulation and vented cathedral ceiling (Zone 6)
I have a question which is driven by the 2009 IRC code requirement for unvented cathedral ceilings; specifically the requirement that at least 1/2 of the total R-value be made…