At 24 feet wide and 10 feet high, this newest entry in Kolbe's Ultra Series can hold up to six 48 x 120-in. door panels that can stack or pocket. The door can also be manufactured as a custom corner unit upon request. Kolbe offers various choices for glass, stile and rail options, and panel thicknesses. Exterior cladding consists of low-maintenance extruded aluminum with recycled content. A range of sustainably harvested wood species is available for interior cladding.