Garage roll-up doors are made of 26 gauge painted galvanized steel (that includes an epoxy base coat finish and a polyester top coat, baked at 850 degrees.) An axle assembly that includes a heavy wall and steel tube that is welded on galvanized steel drums, the steel torsion spring is formed and stress relieved high-quality oil tempered class II spring wire. The door support brackets are a heavy duty 12 gauge galvanized steel construction. Roll-up doors are available on a range of 6′ wide x 6′ height up to 10′ wide x 10′ height.

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