Rethink Your Life!
Finance, health, lifestyle, environment, philosophy
The Work of Art and The Art of Work
Kiko Denzer on Art



Cob: 3-D Panels done green

*Lootvik* lootvik at usermail.com
Fri Oct 19 11:15:41 CDT 2001


Heh, heh, that's pretty funny Paul!

I wish I were a little closer so I could see that machine in action--with 
mud that is.
Are you talking about shooting regular stucco through that pump?

If one were to find custom made strawbales that were only 6 to 12 inches 
thick, one could sort of simulate those 3-D Panels in a green way.  With 
cob on both sides.  That would answer the perennial question:  How does one 
insulate cob?  Alas, there's probably no market for any farmer to go to 
that much trouble.

*Lootvik*


>Ive taken out a permit for an 1860 sq ft addition and will include earthen 
>walls.  I definately will be experimenting with several methods of 
>application. I've been hearing it from my wife as well
>
>Jim Ivanavich of Ramah, NM was going to use the pump to shoot stucco onto 
>his 3-D Panel home that he is building. His plasterer backed out of using 
>it because it pumped too much material at a time.  I demonstrated that it 
>could go from 0 to 300 RPM and volume was relative to speed. He finally 
>said that it was just too much pump.
>
>
>
>Paul Salas
>General Manager
>SANCO Enterprises, LLC
>RIO Rancho, NM 87174
>(505) 238-1485
>
>
>
>>From: *Lootvik* <lootvik at usermail.com>
>>Reply-To: *Lootvik* <lootvik at usermail.com>
>>To: coblist at deatech.com
>>Subject: Cob: cast earth is for walls
>>Date: Thu, 18 Oct 2001 14:57:42 -0700
>>
>>
>>Castearth uses calcined gypsum [plaster of paris] that causes the slurry to
>>swell slightly as it cures.  This is supposed to prevent cracking, which
>>you would ordinarily expect with such a wet mix.  Ligninsulfonate is used
>>as a retarder to prevent the mix from going off before it's poured.  Of
>>course you need forms for this method.  I'm sure it's far too low density
>>to use as a countertop.
>>
>>And then there's Paul with his cob machine.  Is it stored away collecting
>>dust somewhere Paul?  ;-)
>>
>>*Lootvik*
>>
>
>
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