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[Cob] R-valuesphil phawn1 at excite.comWed Jan 28 11:14:45 CST 2004
My understanding is that you get one R-value per inch of thickness. You also need to figure in the thermal mass but I'm not sure how and if this is for a building inspectors info they probably wouldn't accept that data anyway. Phil Hawn, President The North Carolina Natural Building Coalition http://naturalbuilder.org cob, strawbale, cordwood and other sustainable earthbuilding techniques --- On Wed 01/28, Mary Lou McFarland < louiethefifth at hotmail.com > wrote: From: Mary Lou McFarland [mailto: louiethefifth at hotmail.com] To: Coblist at deatech.com Date: Wed, 28 Jan 2004 11:02:43 -0600 Subject: [Cob] R-values Does anybody out there have any info on R-values of cob? How thick do I <br>need to go to get a really good rating and would the addition of perlite or <br>vermiculite to the mix help in uping the R-value? In s.w. Iowa it can get <br>cold enough that you can damage your skin after five minutes exposure <br>outside and in the summer it can be 100 degrees with 80% humidity, so I want <br>the best possible R-value.<br><br>_________________________________________________________________<br>Learn how to choose, serve, and enjoy wine at Wine @ MSN. <br>http://wine.msn.com/<br><br><br>_______________________________________________<br>Coblist mailing list<br>Coblist at deatech.com<br>http://www.deatech.com/mailman/listinfo/coblist<br> _______________________________________________ Join Excite! - http://www.excite.com The most personalized portal on the Web!
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