Review - plastic up to the rafters - then 0.5" Luan + tape all joints = air seal (I HOPE). I have a cavity that is 29" so i filled it with loose blown cellulose. In PHPP (for you other energy nerds), read more...
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Topics: Passive House
UltimateAir, Inc. | 178 Mill Street Athens, Ohio 45701 | 740-594-2277