Dock Door Embossed Design White Opening Height 7 ft 6 in Opening Width 9 ft Door Material Steel Door Height 7 ft 6 in Door Width 9 ft 2 in Door Thickness 2 in Minimum Height Clearance 16 ft Insulated Yes Includes Windows Yes Gauge 26 Finish Painted Acrylic U Shaped Bottom Astragal 14 ga Galvanized Steel Hinges HD Commercial Rollers with (10) Ball Bearings 2 in Angle Mounted Full Vertical Lift Track Leaf Bumpers and (2) Windows