9'Wx7'H Infinity garage door is constructed of commercial grade extruded aluminum alloy stiles and rails. Mechanical fasteners that connect the stile and rails are extremely strong and visually undetectable. The aluminum panels that are used in the door are laminated and 50 times stronger than standard aluminum panels. The panels as well as the door frame have a polystyrene insulation. Windows are opaque with a grid overlay which creates the window design. The door is a white polyester finish. Door used 4 years, but is in excellent condition and complete with all hardware.