Rice-hull bagwall construction: Difference between revisions

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Rice-hull bagwall construction is a system of building,^[1] with results aesthetically similar to the use of earthbag or cob construction.^[2] Woven polypropylene bags (or tubes) are tightly filled with raw rice-hulls, and these are stacked up, layer upon layer, with strands of four-pronged barbed wire between. A surrounding "cage" composed of mats of welded or woven steel mesh (remesh or "poultry wire") on both sides (wired together between bag layers with, for example, rebar tie-wire) and then stuccoed, to form building walls.

Fireproofing

Mixing rice-hulls in boric acid and borax solution results in fireproofing. A similar result can be achieved if placed on top of poured ingot, which applies direct heat until turned into ash. In addition, its ash form does not appeal to vermin.^[3]

References

^ Attmann, Osman (2010). Green architecture: advanced technologies and materials. McGraw-Hill's GreenSource series. New York: McGraw-Hill. p. 108. ISBN 978-0-07-162501-2.
^ The hand-sculpted house: a philosophical and practical guide to building a cob cottage. A Real Goods solar living book (First printing ed.). White River Junction: Chelsea Green Publishing Company. 2002. pp. 129–130. ISBN 978-1-890132-34-7.
^ Hough, John H. (June 1956). "Possible uses for waste rice hulls in building materials and other products". LSU Agricultural Experiment Station Reports. Use as Insulating Material: 4, 5.

External links

The Rice Hull House, by Paul A Olivier, Ph.D.

[1] Attmann, Osman (2010). Green architecture: advanced technologies and materials. McGraw-Hill's GreenSource series. New York: McGraw-Hill. p. 108. ISBN 978-0-07-162501-2.

[2] The hand-sculpted house: a philosophical and practical guide to building a cob cottage. A Real Goods solar living book (First printing ed.). White River Junction: Chelsea Green Publishing Company. 2002. pp. 129–130. ISBN 978-1-890132-34-7.

[3] Hough, John H. (June 1956). "Possible uses for waste rice hulls in building materials and other products". LSU Agricultural Experiment Station Reports. Use as Insulating Material: 4, 5.

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-'''Rice-hull bagwall''' construction is a system of [[building]], with results [[aesthetic]]ally similar to the use of [[Earthbag construction|earthbag]] or [[Cob (building)|cob]] construction, in which woven [[polypropylene]] bags (or tubes) are tightly filled with raw [[rice-hulls]], and these are stacked up, layer upon layer, with strands of four-pronged [[barbed wire]] between, within a surrounding "cage" composed of mats of welded or [[chicken wire|woven steel]] mesh (remesh or "poultry wire") on both sides (wired together between bag layers with, for example, rebar tie-wire) and then [[stucco]]ed, to form building walls. Advantages (compared to earth-bag or cob) include less weight to handle/process, far better insulation values (around 3 - 4 per inch), use of an [[agricultural]]-waste product and the sequestration of [[carbon dioxide|CO<sub>2</sub>]]. This building approach was originally innovated and tested by Don Stephens, in the northwestern [[U.S.]] in 2005.<ref>http://www.earthbagbuilding.com/projects/ricehullstudio.htm</ref>
+'''Rice-hull bagwall''' construction is a system of [[building]],<ref>{{Cite book |last=Attmann |first=Osman |title=Green architecture: advanced technologies and materials |date=2010 |publisher=McGraw-Hill |isbn=978-0-07-162501-2 |series=McGraw-Hill's GreenSource series |location=New York |pages=108}}</ref> with results [[aesthetic]]ally similar to the use of [[Earthbag construction|earthbag]] or [[Cob (building)|cob]] construction.<ref>{{Cite book |title=The hand-sculpted house: a philosophical and practical guide to building a cob cottage |date=2002 |publisher=Chelsea Green Publishing Company |isbn=978-1-890132-34-7 |edition=First printing |series=A Real Goods solar living book |location=White River Junction |pages=129-130}}</ref> Woven [[polypropylene]] bags (or tubes) are tightly filled with raw [[rice-hulls]], and these are stacked up, layer upon layer, with strands of four-pronged [[barbed wire]] between.  A surrounding "cage" composed of mats of welded or [[chicken wire|woven steel]] mesh (remesh or "poultry wire") on both sides (wired together between bag layers with, for example, rebar tie-wire) and then [[stucco]]ed, to form building walls.
-==See also==
+== Fireproofing ==
+Mixing rice-hulls in [[boric acid]] and [[borax]] solution results in [[fireproofing]]. A similar result can be achieved if placed on top of poured [[ingot]], which applies direct heat until turned into ash. In addition, its ash form does not appeal to [[vermin]].<ref>{{Cite journal|last=Hough|first=John H.|date=June 1956|title=Possible uses for waste rice hulls in building materials and other products|url=https://digitalcommons.lsu.edu/cgi/viewcontent.cgi?article=1717&context=agexp|journal=LSU Agricultural Experiment Station Reports|volume=Use as Insulating Material|pages=4,5|via=}}</ref>
+==See also==
 * [[Earthbag construction]]
 * [[Cob (building)|Cob construction]]
@@ Line 10: / Line 12: @@
 ==External links==
-* [http://recycledrice.org  Build Green with Recycled Rice]
-* [http://www.greenershelter.org/index.php?pg=6  Rice Hulls]
 * [http://esrla.com/pdf/ricehullhouse.pdf  The Rice Hull House, by Paul A Olivier, Ph.D.]
 [[Category:Construction]]
 [[Category:Building materials]]
+[[Category:Sustainable building]]
+[[Category:Appropriate technology]]