Plywood as a vapour barrier

We’re building a passive house in New Brunswick, Canada (climate zone 6). Our exterior wall consists of 2×6 stud wall (w/batt insulation), OSB wall sheathing (as the air/vapour barrier with… We’re building a passive house in New Brunswick, Canada (climate zone 6). Our exterior wall consists of 2×6 stud wall (w/batt insulation), OSB wall sheathing (as the air/vapour barrier with…Read MoreGreenBuildingAdvisor