Alcoa Building | Historic Pittsburgh

1953/1963

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Title
Alcoa Building
Creator
unknown
Identifier
MSP285.B001.F05.I03
Description
The Alcoa Building (center), located at 425 6th Avenue in downtown Pittsburgh, used aluminum wherever possible including aluminum furniture, aluminum piping and wiring, and aluminum air-conditioning ducts. Its thirty-story tower is lighter and more efficient than buildings of comparable size at the time of its construction. The entire exterior wall of the structure was built using prefabricated aluminum sheets that contained both windows and the floor zone. These windows swung open in special inflatable rubber gaskets containing neoprene that minimized heat from the sun’s rays and also required minimal cleaning and maintenance on the exterior. Construction began in 1951 and was completed in 1953. The architectural firms involved on this project were Harrison & Abramovitz, along with Altenhof & Bown and Mitchell & Ritchey. The Alcoa Building stands on the site of the renowned Beaux Arts-style Nixon Theater and the building is presently referred to as the Regional Enterprise Tower. Mellon Park is in the center foreground.
Subject
Alcoa Building (Pittsburgh, Pa.)
Commercial buildings--Pennsylvania--Pittsburgh.
Downtown (Pittsburgh, Pa.)
Skyscrapers--Pennsylvania--Pittsburgh.
Mellon Park (Pittsburgh, Pa.)
Contributor
Detre Library & Archives, Heinz History Center
Collection
Allegheny Conference on Community Development Photographs
Rights Information
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