I’m building a 24 x 60 house with a trussed roof. I was planning on using OSB as the primary air barrier fior the ceiling, installed before the partition walls.… I’m building a 24 x 60 house with a trussed roof. I was planning on using OSB as the primary air barrier fior the ceiling, installed before the partition walls.…Read MoreGreenBuildingAdvisor

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