According to Daniel LeBlanc, senior sustainability manager at YR&G, the high-performance Serious Glass on the north, south, and east facades, along with electronically tintable glass from Sage Electrochromics on the west facade, helps lower solar heat gain and reduce peak loads, even on hot days when the building is fully occupied. LeBlanc, whose team used Autodesk Ecotect modeling software to study solar radiation on the facades, says SageGlass was “exactly what we needed for the design goal we were trying to achieve—a transparent cube without a lot of distraction.” Keeping the two-story, 5,000-square-foot cube transparent was also important for security, as the space is open around the clock.

 

Sage manufactured 74 unique pieces of sensor-controlled SageGlass for the western facade, ranging from 22” x 28” to 39” x 59” in size. The glass wiring was routed through a cast-in-place cantilevered concrete bench and wall, and then down through the concrete floor slab into a crawl space near the control module. “That was a great, clean solution for everyone,” says Betsy Podbelski, project manager at Sage Architectural Solutions.

 

Vertical custom steel fins wrap around the building. While the sunshades were originally conceived as a design element, the client was attracted to them as an extra layer of sun control, says Matthew Edmonds, project manager at Studiotrope. But after daylighting modeling studies confirmed that external fins would not help control glare or heat, the client had already fallen for the aesthetic, says Edmonds, so they remained. Reaction to the Cube has been positive, he says: “It's rewarding to see an all-glass box in Colorado that has stayed comfortable from a thermal standpoint.”