Seattle’s Ballard Library Pairs a Sweeping Green Roof with Natural Light

by , 01/11/11

green roof, public green roof, seattle green design, green library, eco library, interior daylighting, roof top weather gauge, Northwestern green architecture, Ballard library, Bohlin Cywinski Jackson

The sweep of the roof helps the building in several important ways. The extended overhangs add a welcoming and sheltered entrance to the interior. The roof also rises dramatically to the north, allowing soft indirect light to flood the interior. This not only makes for a more comfortable reading environment but reduces the required lighting and cooling. A generous installation of skylights adds to the lighting profile. Below the northwestern corner is the round steel shingled community room which adds a smart contrast to the wooden exterior.

17 solar panels set on the north end demonstrate the potential of PV and share space with a large array of sensors measure rooftop weather conditions that feeds an in-house art work, displaying an interpretation of the measurements on an LED display.

+ Bohlin Cywinski Jackson

Via Archdaily

Photos© Nic Lehoux

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