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Product Review from Environmental Building News
July 1, 2007
Colt's Façade Shading with Passive Control
Buildings with large expanses of glazing can suffer dramatic cooling energy requirements and create glare problems for occupants. Façade shading systems can make significant contributions toward correcting these difficulties in new construction or retrofits. Colt International’s Solarfin line of controllable shading louvers for exterior façades is available in over 20 standard profiles with a range of polyester-powder color finishes. The system of typically hollow, elliptical, single-piece, extruded aluminum fins can be up to 15” deep (400 mm), or clipped together up to 41” (1050 mm), and installed horizontally or vertically. Unsupported spans of almost 20’ (6 m)—or, with bracing, spans of over 32’ (10 m)—are possible. The fins, when linked to a control system, can pivot up to 120 degrees to follow the sun’s path, optimizing daylighting and minimizing heat gain. If desired, the fins can be installed at fixed angles. The system’s fittings are stainless steel....
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