[bldg-sim] Batt Insulation Derating

Aleka Pappas apappas at enermodal.com
Tue May 9 06:54:26 PDT 2006

Hi all,

Does anyone know of any good values/research to use for derating the R-value
of batt insulation in a (residential) wall stud cavity as it settles over
time?  I've heard recently that an R-19 can often perform around R-13, and
would like to find a second source.





Aleka Pappas


Enermodal Engineering, Inc.

 <http://www.enermodal.com> www.enermodal.com

Denver, CO

tel: 303.861.2070

fax: 303.830.2016


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