[Cob] cob/insulation

[Henry Raduazo]

Bob: I have some pictures of a straw bale and cob hybrid that I  
helped to construct in wales if you are interested in that. I have  
also made some decent insulation using clay and paper. The paper clay  
can be made by mixing with a rototiller if you need a lot.
Ed
On Apr 20, 2009, at 1:44 AM, Bob Smolen wrote:

> Because of the cold climate in Wi. , I am considering  a sandwhich  
> of cob with woodchips in the middle. This will be an infill for a  
> timberframe structure. What is the best way to build ? I assume  
> boards or plywood could be used to support a 4 to 6in cob wall  
> between the timbers and then the forms could be stripped and used  
> to support an exterior cob walll say 6 to 8 inches away from the  
> first wall after which wood chips would be placed into the space  
> between. Alternatively, after the first wall is built,the forms  
> could be used as an outer support as a temporary wall and the  
> woodchips poured between the cob and the form. After the woodchips  
> (coated in light clay) dry and firm up, the outer cob wall could be  
> built against the chips.
> Does anyone have any experience with this method?
> I guess cob is not necessary as a chip wall could be made between  
> forms and then coated with a clay lime plaster because the wall is  
> not load bearing and no need for cob. I have had problems getting  
> the chips to firm up enough to be a basis for a wall. Has anyone  
> worked with wood chips? A friend is a logger so I have access to  
> unlimited amounts. I have a skidsteer and can produce a lot of cob  
> working alone. That is why I am considering cob.
> Thanks,
> Bob
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