Sustainability | Ecotrope

Earthbags: A green building alternative to cement

Ecotrope | Feb. 2, 2011 2:50 a.m. | Updated: Feb. 19, 2013 1:41 p.m.

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Fill an earthbag with sand and gravel and you get instant building material that can be stacked into a hive-shape to create sturdy (earthquake, bullet and flood resistant) eco-friendly housing without cement.

Fill an earthbag with sand and gravel and you get instant building material that can be stacked into a hive-shape to create sturdy (earthquake, bullet and flood resistant) eco-friendly housing without cement.

Another Grist find. Earthbags offer a way of building “hobbit-hole” homes without cement:

“Earthbags sound like yet another line of reusable totes, but they’re actually a green building material synonymous with sandbags. Basically you fill big bags with sand or gravel and stack ‘em on top of each other like heavy, squirmy Legos. (Plaster follows.) Iranian-American architect Nader Khalili developed superadobe, a type of earthbag building where long bags filled with adobe are arranged in a beehive shape. The finished product can look like somewhere Frodo would live.”

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