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Old 02-28-13, 07:13 AM   #37
MN Renovator
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Quote:
Originally Posted by S-F View Post
Foam looses R Value because it outgasses. Cellulose doesn't rely on non air gasses for it's R Value so it doesn't ever loose it.
As long as it is dense packed. In a loose-fill attic floor application, the settling causes the R-value loss proportional to its thickness.
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