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Seattle’s Ballard Library Pairs a Sweeping Green Roof with Natural Light
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.
Photos© Nic Lehoux
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