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William Bronson
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Location: Cincinnati, Ohio,Price Hill 45205
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My wife wants to build something cob. My daughter wants a play cottage.
I want it to last. I might just use wide eves, or even a canopy, but I have heard of firing an earthen structure,and I like the idea.
Research has me stumped, must be the search terms I am using.
Any help?
 
Mike Cantrell
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Location: Mid-Michigan
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Are you thinking of Nader Khalili's ceramic houses? Where he was trying to fire the entire structure at once? There are your search terms: Nader Khalili, ceramic house, and Cal-Earth. Good luck!
 
Bryant RedHawk
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The method you are referring to is used in Africa by several different tribes. They build a house with cob then build a fire inside the structure ( I mean the entire inside ) once the fire has burned out, they let the building cool then remove the ash, put on the roof and voila, house that won't melt in monsoon rains.

It seems to me, that since Ireland and England have cob houses with plastered walls which have stood for more than 200 years, why would you want to bother with the fire marshal issues that are sure to come up by using the fired cob method?

If you fire an adobe block, it becomes a brick. The heat needed to do this is pretty high, think pottery kiln temperatures around 1000 degrees.
 
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