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Perforated hat channel contributes to library's sustainability

Photo: Bill Timmerman
Photo: Bill Timmerman

Will Bruder Architects designed Billings Public Library in Billings, Mont., with shading and daylighting strategies that contributed to the project's LEED Platinum certification. A perforated stainless steel hat channel scrim spans 300 feet across the north and south façades, shades the majority of the building envelope, reduces passive solar heat gain and allows diffused light to penetrate into the interior through expansive glazed openings.

Recla Metals LLP supplied 4,500 square feet of its vertical Bonderized standing seam metal wall panels and 9,000 square feet of its vertical, 3/4-inch corrugated Bonderized metal wall panels for the project, completed in July 2015.

Rollfab Metal Products fabricated approximately 15,600 square feet of its perforated, 20-gauge stainless steel hat channels with 1/8-inch holes at 1/4-inch staggered centers, 23 percent open. Three custom profiles were rollformed for the 66,725-square-foot project.

Owner: City of Billings, Mont.
Architect/interior designer: Will Bruder Architects, Phoenix
Associate architect: O2 Architects, Billings
General contractor: Jackson Contractor Group Inc., Missoula, Mont.
LEED consultant: Eaton EMC Engineers, Lakewood, Colo.
Fabricator: Rollfab Metal Products, Phoenix,
Metal wall panels: Recla Metals LLP, Montrose, Colo.,