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What if You Don’t Have Any Clay? — 3 Comments

  1. looking to buy property in Arizona. Ground looks sandy large rocks. the well report states volcanic tuff for the first 40 feet, followed by fractured basalt then red basalt… the more i read about what should be in the bags, the more disappointed i am getting.

    • Although sandy soil is not ideal for earthbag building, it can be used. I would not attempt a dome or vault with loose soil, but vertical walls, especially curved ones, can be quite secure. Also, if you can access some of the volcanic soil, then that might work as well. I built an entire earthbag house out of crushed volcanic scoria in Crestone (see http://earthbagbuilding.com/projects/hart.htm ) and it has the advantage of being an insulating material as well.

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