Made in Hartford, Wis., the Rytec Spiral® FV® full vision high-performance overhead door’s unique, patented Spiral® technology – combined with its ultra-high opening speed of up to 100 inches per second – ensures energy efficiency and remarkably quiet operation in fast-paced environments. Featuring a sleek steel and aluminum finish and top-to-bottom full-width window slats, it projects a modern, cutting-edge image to facilities. Rytec Spiral doors are equipped with numerous standard safety features and are available in standard or ventilated slat models as well. Spiral doors are used in a variety of high-profile facilities throughout North America including many BMW, Mercedes-Benz and VW dealerships, Pepsi plants, Caterpillar manufacturing facilities, restaurants with open-air dining, high-rise residential/commercial buildings, and many others where security, performance and aesthetics are important.