Clearspan™ Skylights and Skyroofs® CSI: 08 63 00 and 08 45 23 Over 45 years of proven performance as a single-source responsibility for energy efficient, Clearspan Skylights and Skyroofs. Optional screened, motorized opening roof sections Clear glass, acrylic or metal faced accent panels Lowest construction costs Highly insulating, energy efficient: superior "U" values and shading coefficients The advantages of our experience, technology and innovations in daylighting have been recognized worldwide. Exclusive pre-engineered aluminum structural systems completely designed, engineered, manufactured, delivered, and installed under one contract and single-source responsibility From 2' x 2' square skylights to 100'+ spans in shed, ridge, pyramid, segmented dome, arch, Kalcurve™ or any geometric shape - on our pre-engineered superstructure Truss and minimal outward thrust designs overcome engineering challenges While the products of other companies may be similar in appearance… the structural integrity of our skylight systems, quality of daylight, proven performance and integrity are simply beyond compare. Daylight Modeling, a revolutionary daylight engineering service, now available Home   |   Who We Are   |   Specifications   |   CAD Drawings   |   Photo Gallery   |   Project Reports   |   Request Info   |   Email Us Clearspan is a trademark of Structures Unlimited, Inc. Skyroof and Kalcurve are registered trademarks of Kalwall Corporation. © 2012 Structures Unlimited, Inc. All rights reserved.