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Commonwealth Building

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Identification

Commonwealth Building
Equitable Building
Equitable Savings and Loan Building
122627

Map

Structure in General

high-rise building
existing [completed]
composite structure
aluminum
glass
curtain wall
white
international style

Usages

commercial office

Facts

  • One of the first examples of the "pure glass box" distinctive of International Style.
  • This was the first all-aluminum sheathed building.
  • Although constructed as 12 floors a 13th was added at a later date.
  • First American "fully sealed, air-conditioned" building.
  • One of the first towers to use double-paned windows.
  • In 1982 this building became the 13th recipient of the American Institute of Architects' prestigious Twenty-Five Year Award.
  • The building was the first to use a flush curtain wall design.
  • The existing lobby was renovated between the years 1987-1990 by Soderstrom Architects the original architect.
  • A plaque outside the lobby commemorates the innovative building's heat pumps and bears the name of Pietro Belluschi which is misspelled.
  • Weston Investment Co. bought the building at auction in 1993 for US $1.9 million.
  • In July 2007, Weston Investment Co. donated this property to the to the OCF Joseph E. Weston Public Foundation.
  • Pietro Belluschi designed the building to use aluminum in the structure of the building itself; however, the idea was rejected by local fire marshals due to the metal's low melting point.

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More Information

Location

401-441 SW 6th Avenue
601-619 SW Washington Street, 600-616 SW Stark Street
421 SW 6th Avenue
97204
Downtown
Downtown
Portland
Oregon
U.S.A.

Awards

Technical Data

194.00 ft
14
1947
1990
5

Involved Companies

Pietro Belluschi

1990

Features & Amenities

  • One of the city's famous buildings
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