Stabilized Caliche Floors

Report on how to make cement stabilized caliche earth floors
Report on how to make cement stabilized caliche earth floors

Caliche: calcium carbonate formed in the soils of semiarid regions.

“I sifted the caliche through a chicken wire sieve to get rid of the larger material. This leaves a good size aggregate for a 4-5inch think pour, thicker floor better against moisture too (when the pour is too thin less ,than 3″, the mix will crack more, when setting).

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How to Build Large Earthbag Domes

Large earthbag dome insulated with bags of scoria/lava rock.
Large earthbag dome insulated with bags of scoria/lava rock.

Question: “I was wondering if there is a limit to the size of diameter an earthbag dome can have. I am wanting to have a dome with more than 800 sq ft. I would like it to be a dome because I do not want the hassle of constructing a roof, and I’m a simple person so I am only wanting to construct one dome instead of multiple ones. Any information about this would be helpful, thank you!” Tyler

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Update on Confined Earthbag Building

Small earthbags are compacted with a plate compactor.
Small earthbags are compacted with a plate compactor.

I love hearing about innovative natural building projects. Ed, a long time reader, sent me an update on his earthbag home in Ecuador. Ed is using confined earthbags that sit within a reinforced concrete frame. This is a good method for those who need to meet building code and for areas that are vulnerable to hurricanes and earthquakes.

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