Institute for Global Citizenship, Macalester College

The tight building envelope of the Institute for Global Citizenship comprises stone, copper, and triple pane windows as well as ultratight R-40 walls with seven inchesa of spray-foam insulation.

The Institute's concrete framing holds thermal mass to minimize temperature fluctuations, and facade openings were carefully places to use and manage daylight.

Though located on a busy thoroghfare, the institute's tight envelope coupled with a lack of mechancal air systems is so quiet that it took some acclimation. Sound absorption measures on the interior spaces, such as the lobby, help manage ambient noise.

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