Rethink Your Life!
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The Work of Art and The Art of Work
Kiko Denzer on Art
[Cob] Soil Surveyhoward at earthandstraw.com howard at earthandstraw.com
Wed Jul 29 08:22:34 PDT 2009
I would make test bricks before I imagined that it was a problem. I'm sure our ancestors had silt in their soil as well and it did not stop them. I expect you will need to add the sand and straw and that the silt may not be a problem at all. How much sand to add should be determined by making test bricks. If none of them harden well then you may need to add some more clay but I doubt it. I've mixed cob with a variety of soils and always managed to find a mix that would harden well and I know there was a good bit of silt in all of it as it is very common around here. Howard Switzer, Architect 668 Hurricane Creek Road Linden, TN 37096 931-589-6513 www.earthandstraw.com
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