Is it possible? The available charts, for R value of compressed fiberglass, do not show 1” as a possibility. They show 3/4” as a possibility for R8, but everywhere I… Is it possible? The available charts, for R value of compressed fiberglass, do not show 1” as a possibility. They show 3/4” as a possibility for R8, but everywhere I…Read MoreGreenBuildingAdvisor
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