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Straw-bale construction is a building method that uses bales of straw (usually wheat [2] straw) as structural elements, building insulation, or both. This construction method is commonly used in natural building or "brown" construction projects.
The use of highly compressed straw bales as insulation, though uncommon, is gaining popularity in experimental building projects for the high R-value and low cost of a thick wall made of straw. "Research by Joe McCabe at the Univ. of Arizona found R-value for both wheat and rice bales was about R-2.4 (RSI-0.42) per inch with the grain, and R-3 ...
The program emphasizes the design and construction of homes using "green-build" techniques such as passive solar, rainwater catchment, permaculture, earthen plaster, rammed earth, straw bale construction, cellulose insulation, Icynene foam (a green, water-based, open-celled building insulation product), and materials salvaged from the landscape of the reservation itself such as a substratum of ...
When baled, straw has moderate insulation characteristics (about R-1.5/inch according to Oak Ridge National Lab and Forest Product Lab testing). It can be used, alone or in a post-and-beam construction, to build straw bale houses. When bales are used to build or insulate buildings, the straw bales are commonly finished with earthen plaster.
Adobe bricks made of clay, sand and straw, similar to cob, have long been used in the Southwest. More recently, hay bale houses have been constructed with walls made of insulating straw and a ...
In 1993, their office and home were destroyed in a wildfire. Resulting in the loss of all their records, plans and photographs and artwork. As a result, they designed and built a model passive solar off-grid office and home using renewable materials such as straw bales and wood milled from the fire killed trees. [8]