[Bldg-sim] effective R-value cavity insulation

[Kevin Kyte]

I am curious what the relationship is between cavity depth, rated insulation, and effective insulation in framed walls.  I am referencing the ASHRAE 90.1 doc because it is really the only one I have on this subject.  I have charted Table A9.2B and a logarithmic trendline appears to be a good fit for extrapolating.  If anyone in academia, industry, or the societies has more information on this subject I would certainly be grateful to receive a good lead.  Thank you.


Kevin Kyte, LEED (r) AP
Watts Architecture & Engineering, P.C.
95 Perry Street, Suite 300
Buffalo, NY  14203
p:  716.206.5174
f.:  716.206.5199
e:   kkyte at watts-ae.com<mailto:kkyte at watts-ae.com>
http://www.watts-ae.com<http://www.watts-ae.com/>



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