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[Cob] light claydirtcheapbuilder-Charmaine Taylor tms at northcoast.comTue Jun 21 20:34:46 CDT 2005
at the CASBA straw meeting last year a commercial builder in Nevada City did a presentation on the 12" thick LSC walls he handled for a couple. He quited R25 for a 12" wall..the walls had larson trusses, and there was little thermal brisging as I recall.. but I still think R25 is high... my guestimate would be R20- R22 or so... if NOT too much clay is used. view the www.casba.org page and they may have more info there > Charmaine Taylor Publishing books at dirtcheapbuilder.com PO Box 375 Cutten CA 95534 USA -- 707-441-1632 www.dirtcheapbuilder.com & www.papercrete.com New& Used books: www.biblio.com On Jun 21, 2005, at 6:06 PM, Amanda Peck wrote: > > more than single pane glass? > > quite a bit more if you put a couple of inches of styrofoam in the > middle--with a layer of wattle on each side? (I'd guess highly > variable amounts of thermal mass--but almost certainly less than cob, > depending on how you did it.) > ................... > > Ian wrote--he may deserve better than my answer, too: >> Hi all, >> >> Does anyone know what the insulation values of light clay walls are? >> >> Thanks, >> Ian Marcuse > >
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