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Kiko Denzer on Art


Cob test bricks

Benton J. Miller and Phyllis Rameriz phillis at itlnet.net
Fri Sep 19 15:51:32 CDT 1997 

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Hi cobbers!!
<BR>Got a question. We made several test bricks with the soil we would
like to use to build our cob home.  They turned out very strong. 
It seemed as if we were on the right track.  Then we got a heavy rain,
and we left the bricks out in the rain.  Upon checking the bricks
after the rain we were dissappointed to see that the bricks had become
soft and crumbly.  This was after they had dried completly after the
rain.  We are wondering what may have caused this.
<BR>The bricks were of different composition(the amount of sand,clay, and
straw),but they all seemed to lose there stability.
<BR>Any advise would be helpful.
<BR>Benton and Phyllis</HTML>