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Gila River Indian Community's District 2 Multipurpose Building, Sacaton, Ariz.

Gila River Indian Community's District 2 Multipurpose Building, Sacaton, Ariz.

A multicolored metal rainscreen creates a basket-like appearance on Gila River Indian Community's District 2 Multipurpose Building. The Akimel O'odham and Tohono O'odham people of the Gila River Community were well-known for making baskets.

Kovach Building Enclosures fabricated more than 10,000 square feet of 6-mm Kovabond aluminum composite material (ACM) with a fire-retardant (FR) core in Palm Frawn, Lazy Lizard, Regal White and Medium Bronze into an exposed fastener rainscreen wall cladding system for the project.

Jeff Kershaw, of Orcutt/Winslow, the architecture firm for the project, says the system allowed panels to be mirrored on the inside, which created a screenwall that sequentially unveils the view toward Yellow Peak area. "Kovabond allowed the curve of the building to be expressed in a pattern that was inspired by the traditional baskets, while also providing the opportunity to dial in the color palette to embrace the vibrancy of the colors found in the cactus-the community's namesake," he says.

Each column contains 26, 12-foot-wide by 1-foothigh panels. Columns with windows have fewer. Column radii vary. Panels were pre-punched during fabrication on a computerized numerical control (CNC) machine to account for 12 custom color fasteners supplied by SFS intec Inc. to match the panel colors.

Kyle Kovach, project manager at Kovach Building Enclosures, says the panels were easily curved. "The composite material itself looks a lot better than standard single-skin panels; it's flatter," he says. "And you can make bigger panels with it than you can with single skins because it's available in sizes that vary from standard coil."

A column of 26 panels was fabricated and packaged in the opposite direction in which they were to be installed. Kovach crews took panels off the top of the stack and installed them in the order they were packaged, making sure to use matching fasteners.

Architect: Orcutt/Winslow, Phoenix
Fabricator: Kovach Building Enclosures, Chandler, Ariz., www.kovach.net
Aluminum composite material: Kovabond, Chandler, www.kovabond.com
Fasteners: SFS intec Inc., Wyomissing, Pa., www.sfsintecusa.com