Thread: Insulation ideas for 2nd floor
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Old 02-28-13, 05:19 PM   #38
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Originally Posted by MN Renovator View Post
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.
Yes this is true. But when cellulose in installed (at least around here) the settled density and R Value is what's calculated. So for 12" or R 38 (the code depth for attics) people usually blow to 13" - 14" in anticipation of the 1.5" settling.
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