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Cob: R-Value-Strawbale for interior wallsMafalda Stock mafalda.stock at yale.eduMon Sep 10 08:46:56 CDT 2001
<html> <font face="arial" size=2 color="#0000FF">Jeanne wrote:<br> </font> <br> Slip-straw is loose straw coated in a clay slip. You would then build forms on the inside between studs and fill the gap with the slip-straw, tamping it down as you go. You can finish it with a mud plaster. You could also use cob where you wanted a more organic aesthetic. <br> <br> <font face="arial" size=2 color="#0000FF">I have worked with this method and if you go this route make sure you get it ever so lightly coated so that you can gain a higher Rvalue as normal straw clay won't give you more that an R1 per inch and you don't want to go over 12". I still find strawbale to much faster and easier and better insulation value. I prefer to think of straw clay for interior walls. <br> </font> <br> <font face="arial" size=2 color="#0000FF">Chuck in Wisconsin<br> Helping Hands: Natural building and Sustainable Living group</font> <dl><font face="Times New Roman, Times" size=2> <dd>-----Original Message----- <dd>From:</b> owner-coblist at deatech.com [<a href="mailto:owner-coblist at deatech.com%5DOn" eudora="autourl">mailto:owner-</a>coblist at deatech.com]<a href="mailto:owner-coblist at deatech.com%5DOn" eudora="autourl">On</a> Behalf Of</b> Jeanne Leimkuhler <dd>Sent:</b> Sunday, September 09, 2001 12:01 PM <dd>To:</b> coblist at deatech.com <dd>Subject:</b> Re: Cob: Barn conversion<br> <br> <br> <br> </font> <dd>Chris wrote:<br> <br> <blockquote type=cite cite> <dd>I'm considering converting my barn to a home using cob walls on the interior of the existing exterior barn walls. Is this a stupid idea? <dd>The barn is somewhat old, but the structural beams appear to be in good shape. Would there be a problem with placing the cob right next to the wood? <dd>Maybe cob is not the way to go, I just want to use natural materials. Some other method may be more insulative, as well. <dd>I would appreciate any ideas. <dd>thx, <dd>Zon from Kansas</blockquote><br> <br> <dd>Chris, <dd>Not to discourage you from cob, but you might consider slip-straw if you already have existing walls. I am planning to do this to an existing barn. Slip-straw is loose straw coated in a clay slip. You would then build forms on the inside between studs and fill the gap with the slip-straw, tamping it down as you go. You can finish it with a mud plaster. You could also use cob where you wanted a more organic aesthetic.<br> <br> <dd>For more information see Robert Laporte's book:<font size=1> <dd>MoosePrints, a Holistic Home Building Guide</u> <dd>Available from Natural House Building Center R.R. 1, Box 115F. Fairfield, Iowa 52556<br> <br> <dd>You can probably get this from dirtcheapbuilders.com, as well.<br> <br> <dd>Jeanne<br> <br> </font> </dl></html>
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