Available in lightweight aluminum or cost effective steel, vertical bifold doors have been a favorite for the aircraft industry for many years, and are earning popularity in commercial, domestic, and industrial applications. For extremely huge openings where cost is critical, bottom-rolling doors are the logical choice. The rolling design is specified for openings of almost limitless width.
Trudy Rhodes — If I could give a negative star I would. We have tried since March to get a quote on door for our building. His Grandfather