1000 Sherbrooke West, Brutalist skyscraper in downtown Montreal, Canada
1000 Sherbrooke West is a skyscraper in downtown Montreal with 28 floors and a height of 128 meters. The tower features raw concrete elements on its exterior and combines concrete with glass surfaces.
The building was completed in 1974 and initially served as headquarters for the International Civil Aviation Organization. This role established Montreal as a center of global aviation governance.
The tower's name changed with its occupants: it was known as The ICAO Building until its purchase in the 1980s, then Centre Mont-Royal and Place Internationale de l'Aviation. Its Brutalist concrete and glass facade, by Rosen Caruso Vecsei, was designed along lines similar to Quebec City's Édifice Marie-Guyart. The Centre Mont-Royal conference centre now occupies part of the site.
The tower stands at 1000 rue Sherbrooke Ouest, beside Tour Scotia and facing McTavish Street; the Centre Mont-Royal conference centre occupies part of the site, so the lobby is busiest around events. The building is a working office tower, not a public attraction, and interior access is limited to tenants and conference guests.
In 1987, the Montreal Protocol, a major international treaty protecting Earth's ozone layer, was signed in this building's ICAO offices. This agreement remains one of the most successful environmental treaties globally.
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