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Prevention of Velocity Effects - Erosion Corrosion and Cavitation

PROJECT: RCMP Detachment
LOCATION: Gaspé, Quebec
APPLICATION: Cladding
ARCHITECT: Alfredo Vega, RCMP, Montreal
CONTRACTOR: Marcel Charest et Fils, St. Pascal, Quebec
METAL SUPPLIER: Ideal Roofing, Ottawa
DESCRIPTION:
The RCMP Detachment Building in Gaspé, Quebec, on the shore of the Gulf of St. Lawrence, is a contemporary interpretation of a civic institutional building, featuring prominent expanses of copper cladding.

The 16-oz. copper cladding covers three prominent, turret-like sections of the building. They emphasize entrances and other features of the building and function as identifying devices. The architects have taken advantage of copper’s historical image to provide cues to the function of the facility.


As the cladding ages, it will take on the distinctive blue-green patina of mature copper found on installations throughout Eastern Canada. However, since the copper is installed vertically, the patina formation will take slightly longer than for a sloped copper roof in the same locality.

The copper pans were installed over a slip-sheet (which allows the copper to move freely as it expands and contracts), membrane, and plywood substrate. About 3,500 square feet (325 m
2) of roofing copper sheet was needed for the project.

The copper cladding, while providing many years of maintenance-free service, will identify the RCMP Detachment as a building of importance, as it has done in many other locales for centuries.


Adapted from Canadian Copper, No. 146.

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