This library renovation included the relocation of Princeton University’s books reading room to a 21-foot-wide by 140-foot-long, glazed atrium space, nestled between the original library building and a 1980s-era addition. The original glass and brise soleil assembly provided reasonable solar control, but simply could not accommodate the strict 500 lux maximum required by conservators, so Lam Partners was brought in to develop a solution. This project perfectly merged quantitative and qualitative design to develop a daylighting solution that could meet the client’s visual and metric needs in this space.