Extreme daylight is the guiding principle behind architects Cohos-Evamy?s design for the Calgary headquarters of Canada's Shaw Cablesystems. Case in point: the building features a three-story glass wall -- with a wing-shaped overhang on top, as well as an entire sun-facing elevation. Natural light floods the interior lobby and offices, especially in the summer, when the sun shines up to 17 hours a day.

When the sun gleams on the building, it looks like a jewel, due to the fact that the architects used multicolored glass on the exterior. (This also gives the effect of lightly-tinted colored light in the inside.) To control heat gain, the architects used large Nysan roller shades with stable, glass-fiber fabric that eliminates the need for seams or battens.

The automated Nysan sun-tracking system lowers each shade as the sun moves across the face of the building, not only keeping residents comfortable, but making the building energy-efficient. The shades are critical for controlling glare, keeping the atmosphere bright, but not uncomfortably so, for those spending their workdays inside.





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