It is intended to be a ‘victimless shelter’, because no sentient being was harmed in the laboratory growth of the skin.” He envisions a wall in which tissues, skin and bones replace insulation, siding, and studs respectively. For fenestration, or openings of windows and doors, he envisions sphincter muscles that can open and close.
http://inhabitat.com/2010/07/08/in-v...-made-of-meat/...