Green Home Building and Sustainable Architecture

Sustainable architecture is an exciting and important field, with many people reviving traditional methods of building and others creating innovations to established practices. Kelly Hart, webmaster of the popular website www.greenhomebuilding.com, posts text and photos featuring what he discovers from around the world.

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Location: Crestone, Colorado, United States

Kelly Hart has been involved with green building concepts for much of his life. He has also worked in various fields of communication media, including still photography, cinematography, animation, video production and now website development. Kelly has lived in an earthbag/papercrete home that he built and consults about sustainable building design.

February 17, 2007

Conics


I have had some comments posted at greenhomebuilding.com for several years about "conics" as an interesting concept for making very thin-shelled curved structures without the need for much of a structural framework. Chuck Henderson from Northern California first pointed out how sheets of plywood can be attached to each other and warped to form some very interesting shapes, as pictured here at the left.

Then a few days ago Avi Rotem from Israel sent me a description with some images of models that he has made of conical structures made with steel beams erected as tripods as a basic support for the sheet metal which is then wrapped over this. Avi would then have a substantial layer of sprayed polyurethane foam, polystyrene sheets, or locally used insulation like straw placed over the sheet metal. A final layer of polymer modified cement would then be applied with wire mesh at its center to provide a strong weather-tight exterior coating.

For more information about these systems, visit greenhomebuilding.com .

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