Steel, Wood, Fiberglass or Aluminum Sectional Doors Roll-up Sectional Doors roll up in a track and rest inside the building horizontally and flat overhead. The door is made up of sections that can be 12” to 20” high, with or without windows and a pass-through door. Barr Commercial Door offers a wide variety of finishes, styles, operational methods, and sizes to meet your specific needs. We offer a manual or motorized operation to meet your security needs. Barr Commercial Door offers sales and service on all types of Roll-up Sectional Doors.