DBCI offers commercial-grade metal roll-up doors which are suitable for a variety of heavy-duty applications including warehouses, loading docks, terminals and distribution centers. Each heavy-duty roll up door features a high-cycle spring life, continuous duty design and sturdy brackets made of a .187-thick angle. Our steel-curtain roll up doors are easy to install and require minimal maintenance. These doors are wind-load tested in accordance with International Building Code, Florida Building Code and Texas Department of Insurance to meet the stringent building codes in regions such as Florida and Texas.