Along with a roof, age is another thing that is common between these stadiums. Nine of the 10 venues are 20 years old or younger, with Caesars Superdome being the lone exception.

By comparison, the retractable roof of AT&T Stadium, the Cowboys’ home stadium in Arlington, Texas, is 256 by 410 feet, he said. The cost for the arena’s high-tech roof is $60 million, Ewing said.

Four NFL teams – the Cardinals, Colts, Cowboys and Texans – play in stadiums with retractable roofs. The Cowboys' and Colts' stadiums both also feature retractable window walls.

Barton L. Riberich, SE, President, Uni-Systems, LLC 4600 Lake Road, Minneapolis, Minnesota, 55422 Tel. 763-536-1407, [email protected] It is known that kinetic architectural elements have ...