Is dense-packed cellulose an air barrier?
Numerous sources on the Web say that cellulose installed at 3.6 pounds per cubic foot is an air barrier, but in another Q&A item, Peter Yost said that it's not. Can someone clarify this issue and provide data? Thank you.
Posted Wed, 03/11/2009 - 10:54
Edited Mon, 10/25/2010 - 08:45
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