Structures Unlimited, Inc.


SUI Straight Rafter Pyramid at Celina High SchoolStructures Unlimited, Inc. offers 40 years of proven performance as a single-source responsibility for energy efficient, clearspan skylights and skyroofs.  

The advantages of their 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

While the products of other companies may be similar in appearance… the structural integrity of Structures Unlimited, Inc.'s skylight systems, quality of daylight, proven performance and integrity are simply beyond compare.

  • 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