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Insulated metal panels offer desired economic aesthetics for winery, hospitality center

June 25, 2019

LEWISVILLE, Texas – Fourth-generation siblings oversaw the construction of the new Zialena Winery production facility and hospitality center in Geyersville, Calif., using insulated metal panels from Metl-Span on both buildings.

“We started with a steel frame system and to reduce cost, selected insulated metal panels that provide finished interior and exterior walls as well as insulation all in one,” says Dave Siegert of Osborn Architects in Santa Rosa, Calif. “Aesthetically, we were after a modern texture, a sleek finished product.”

Zialena Winery sits on a 120-acre property and dates back to the early 1900s when Giuseppe Mazzoni immigrated from Italy to become a grape farmer and winemaker. Giuseppe's sons, Fred and Jim, produced wine until the 1970s. Jim's son, Mike expanded the grape growing business that exists today under the name of Mazzoni Vineyards. Mike's children, Mark and Lisa, brought back the winemaking tradition under the Zialena name and constructed the new production facility and hospitality center.

The 10,000 square foot production building was constructed using steel framing from Garco Building Systems and insulated metal panels for the walls and roofing. Lanning Construction of Sonoma, Calif., installed the insulated metal panels. The IMP roofing panels (10,669 square feet) were 5 inches thick with a 22-gauge Charcoal Gray exterior. The 2,200 square foot hospitality center, which was constructed with wood and steel framing, was finished with Metl-Span's CF42 panels to match the production facility. CF42 wall panels were installed in three colors: Charcoal Gray (7,213 square feet), White (5,988 square feet) and Terra Cotta (2,248 square feet).

“The landscape of the area helped us decide on colors,” Siegert says. “The Charcoal Gray and Terra Cotta go well with the surrounding woodlands.”

Conventional, multi-component building envelopes address the weather barriers with multiple product sources and installation steps, leading to an overly complex wall assembly and lengthy construction schedules. IMPs provide the same performance elements in a single, easy-to-install component. The end result is a more efficient building envelope that impacts everything from interior trade coordination to the bottom line. The product provides thermal efficiency and all-weather control in a single component. The highly efficient insulation delivers an added advantage by minimizing building energy usage and construction costs. The product's unique foam core even allows the performance of the insulation's R-value to increase as the core temperature of the panel decreases. Durable interior panels are easy to keep clean, which is important in a facility where beverages are produced.

“We are very pleased with the outcome of the Zialena Winery,” says Steve Lanning, owner of Lanning Construction. “Our unique challenge was the layout of the seams with the horizontal panels with preformed corners. Once we adjusted the spacing, it all went together like it was supposed to.”

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