[Cob] Next step

[howard at earthandstraw.com]

I don't think the bags are intended to last.  If you mix some lime with clay and gravel fines (or Portland if at grade or below), and dampen the mix it will dry hard and the bags become superfluous.



Howard Switzer, Architect
668 Hurricane Creek Road
Linden, TN 37096
931-589-6513
www.earthandstraw.com
  ----- Original Message ----- 
  From: Henry Raduazo 
  To: Damon Howell 
  Cc: coblist at deatech.com 
  Sent: Wednesday, January 13, 2010 3:34 PM
  Subject: Re: [Cob] Next step


  The bags are encased in cement, or lime putty and hopefully they will  
  not deteriorate if they are not exposed to sunlight. If the bags  
  break for any reason, you need to put in a cement bridge across the  
  opening before much of the sand leeks out.
  Ed
  On Jan 13, 2010, at 3:51 PM, Damon Howell wrote:

  > "Does anyone here think the following is helpful to our  
  > cause?...EARTHBAG HOUSING"
  >
  > I never have come to an understanding of earth bags. What happens  
  > when the bags deteriorate? Hope I'm not around one when that  
  > happens. I've watched videos of people doing it and it seems to me  
  > cob construction is about the same amount of work. Plus I feel much  
  > safer standing beside a solid cob wall.
  >
  > Damon in GA, USA
  >
  >
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