Finalizing floor insulation details in Zone 2A, pier and beam, totally open crawlspace. Rim joists were insulated during framing. I have a lot of 3″ reclaimed felt-faced polyiso on hand… Finalizing floor insulation details in Zone 2A, pier and beam, totally open crawlspace. Rim joists were insulated during framing. I have a lot of 3″ reclaimed felt-faced polyiso on hand…Read MoreGreenBuildingAdvisor

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