Air-crete Building


“What is Air-crete? Air-crete is a lightweight cementitious material that contains stable air cells uniformly distributed throughout the mixture. It is a concrete which utilizes a stable air cell rather than traditional aggregate. It is also called cellular concrete, foam concrete, light weight concrete, aerated concrete etc. Typical concrete has a density of 140 lb/cu.ft. Air-crete densities range down to 20 lb./cu. ft.

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Roofed Half Dome Design

My Hobbit House is just the right size for a roofed half dome earthbag home.
My Hobbit House is just the right size for a roofed half dome earthbag home.

This is a new house design that I just thought up yesterday. Basically, it’s a dome shape that’s cut off at the 8’ height level with a roof on top. The main benefit is to replace the harder to build top portion of the dome with a faster, easier to construct roof that will protect the earthbag walls. This is a good design for earthquake regions like Nepal that get a lot of rain. Lightweight roofs are preferable to heavy roofs in seismic areas, plus domes will have moisture problems and mold in rainy climates. Metal roofing would be a good choice for this design.

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Summer Bag Blitz! Earthbag and Natural Building Intensive Workshop

Summer Bag Blitz! Earthbag and Natural Building Intensive Workshop
June 27th – July 5th, 2015

Natural Building & Earthbag 9 day or 5 day Intensive – “Bag Blitz!
“Thinking about building your own Natural House? This is the in-depth workshop for you.

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