Sectional hangar door

automatic

Diamond Doors are design built to your specifications. Diamond uses cables and a unique cable lift system, and stands behind this system with an industry leading warranty. With this cable winding system Diamond Doors is able to keep the doors at a low profile when fully raised, ensuring no loss of clearance. Diamond has a solution for any budget and any challenge, so read on and Request A Quote to get your project started. Diamond Doors are manufactured from high strength tubular steel. Engineered and designed with a triple internal truss the Diamond Door system is one of the strongest in the industry. Designed to minimize weight while maximizing strength, the engineered design minimizes the weight and loads on your building. Each door is carefully crafted and assembled by a certified CWB welder. Every Diamond Door comes with charcoal grey industrial grade paint to withstand the toughest environments. Every Diamond Door hinge is maintenance free. The unique hinge bushing design eliminates hinge creaking and screeching, while functioning smoothly. Diamond Doors offers a lifetime warranty on all hinge bushings. Each Diamond Door operates with an industry grade double sealed bearing. These bottom roller bearings are pressed into a hardened CNC machined sleeve. This sleeve is beveled to provide a continuous smooth operation and giving you the longest lasting roller in the industry. Diamond Doors open at a rate of 18/ft per minute, making them the fastest door on the market. We also provide optional speed kits which increase the opening speed an additional 20% – 25%. This optional Speed-Drive system which allows the doors to operate up to speeds of 40 feet per minute.