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Corridor, courtyards added to county building with zinc panels

Approximately 25,000 square feet of RHEINZINK pre-weathered, graphite-grey Double Lock standing seam wall panels from RHEINZINK America Inc., Woburn, Mass., were used by Teeple Architects, Toronto, to transform Simcoe County Administration Centre in Midhurst, Ontario, Canada.

The vertical, 0.8-mm panels were vented with perforated RHEINZINK flashings throughout the 70,000-square-foot addition to the Simcoe County Administrative Centre, and fabricated and installed by Gage Metal

Cladding Ltd., Mississauga, Ontario. MetalTech-USA, Peachtree City, Ga., was the RHEINZINK distributor. The addition wraps around the existing building, creating a corridor and a series of interior courtyards between the existing and new structures.

The two-story, LEED Gold certified building was designed to reflect heat, maintain continuous views and capture natural light. Glazing was planned with overhangs for shading, and smaller windows were placed in areas subject to heat gain. The high-performance building envelope with R-30 exterior foam insulation, a thermally-broken cladding system and double-glazed windows reduces overall energy demand while efficient mechanical systems harvest available energy for heating and cooling. The new building transforms the existing dark and inward-looking structure into a light-filled environment for county employees and the public alike. The combination of architecture and public education reinforces the building's role as the flagship public facility in Simcoe County.