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Polycarbonate Covers Academy Roof

by Marc S. Reisch
February 2, 2015 | APPEARED IN VOLUME 93, ISSUE 5

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Credit: California Academy of Sciences
Bayer’s polycarbonate forms a new retractable roof.
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Credit: California Academy of Sciences
Bayer’s polycarbonate forms a new retractable roof.

The California Academy of Sciences building in San Francisco’s Golden Gate Park now sports a retractable roof system designed by leading architect Renzo Piano. Two 18- by 48-foot clear polycarbonate sections, made from Bayer’s Makrolon 15, replace the previous fabric screen with a weather- and ultraviolet-light-resistant roof.

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