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bilbao, Coll Barreu Arquitecto, spain, origami, folded facade, glazed facade, glass building, glass facade, double layer facade, energy efficiency, green architecture, green design, eco architecture, sustainable architecture

The folded facadeconsists of two layers. The outer one is a glazed skin made up of framed glass set in a tubular frame while the inner layer is the building’s windows. There are two major benefits to the design: noise from the busy boulevard is noticeably reduced and solar heat gain is decreased via radiation reduction and a breathable wall system.

In addition to the increased energy efficiency afforded by the double skin, the building holds meetings in a daylit, two story atrium that opens to a roof deck. To promote denser land use, the seven stories below roof contain office space and a subterranean three floor robotic parking lot.

+ Coll-Barreau Arquitectos

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