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The Work of Art and The Art of Work
Kiko Denzer on Art



Cob: Cob insulation

Mike Carter and Carol Cannon cobcrew at sprynet.com
Fri Jul 23 14:23:36 CDT 1999


[snip]>>Another insulation idea in current use is the Pumice of New Mexico,
>>Washington, Oregon.  Have you heard of PumiceCrete   Pumice is volcanic
rock
>>full of little air holes, mixed with adobe or concrete in use now, or
maybe
>>when mixed with Cob it would do the same thing, provide insulation,
lighten
>>the mass a little and maybe be the best combination of mass and
insulation.
[snip]
I've cobbed with pumice added; it was a VERY unpleasant experience, both in
the mixing and the application.  Even with gloves, the sharp edges of the
pumice bothered my hands.  It may work perfectly well as insulation, though.

Mike