The Overhead Door Model 521 Aluminum Glass Door combines maximum visibility with commercial grade strength, creating bright, open spaces while delivering dependable performance. Its robust 1-3/4 in. aluminum construction supports large openings up to 26'2" wide x 20'1" high, while slim center stiles maximize the glass area for a clean, modern architectural appearance. A wide selection of glazing, insulation, and powder coat options gives architects and building owners the flexibility to balance aesthetics, natural light, thermal performance, and durability. At the John Lewis Elementary School, designed by Perkins Eastman, orange Model 521 aluminum glass doors (shown here) add to the vibrant aesthetic.

For more information, visit the product webpage.

Overhead Door