material R-values


adamantdesign
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Does anyone know if there's a way to apply R-values to individual materials to calculate a wall's total R-value? I've tried looking in the materials list and the define wall types GNU, but I'm not really finding what I'm looking for. Does Chief Architect even have that functionality or do we have to calculate that by hand still? Any help on this would be appreciated.

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It appears that a while back Calif. has included the construction assemblies in their free program now, and couldn't find a separate free program for that . No wonder I  haven't needed that for a while .I guess they don't want people coming up with their own methods of assemblies. Here is a link to our free title 24 program if that helps. Chief does not export to this ,but it does export to Rescheck.

http://www.energy.ca.gov/title24/2016standards/2016_computer_prog_list.html

 

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