After ergonomic research with hundreds of people ranging in size from 4’11” (150 mm) to 6’5” (196 mm) an ideal relative position of seat to backrest has been determined which provides good lumbar support for a wide range of body sizes.  Nearly everyone who sits in these seats is surprised by their comfort.  The ergonomic benefits of the curved seat and backrest is patent pending.


The seat and backrest are extremely sturdy since they are made from curved 1/4 inch (6 mm) steel plate.  An extremely solid structure is formed when these curved elements are welded to the spherical ends.  These seats are over-engineered and will easily hold thousands of pounds of weight.


Due to strict regulations limiting repairs to volatile liquid containers these pressure vessels have a limited service life and thus are readily available as scrap metal.  The seats pictured on this website were made from locally sourced tanks.

Because propane tanks are common worldwide, people from a broad range of cultures and backgrounds are able to appreciate the ecological statement associated with their transformation from waste into functional works of art.



Colin Selig  :  1547 Palos Verdes #315  :  Walnut Creek, CA 94597, USA  :  :  925-457-5060

Colin Selig © 2010-2014, All Rights Reserved

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