 | Flat or curved slats at no additional charge. |
 | Bottom bars constructed of 1/8" minimum structural angles bolted together. |
 | Wall angles fabricated of 3/16" minimum thickness structural steel angles with
slotted mounting holes. |
 | Door track formed from 3/16" minimum thickness structural steel angles. |
 | Heavy-duty cast iron curtain stops. |
 | End brackets fabricated from minimum 1/4" steel plate. |
 | Heavy duty cast-iron gears. |
 | Barrel components consisting of minimum 5/32" seamless steel pipe, 1/4"
thick steel plate barrel plugs, and springs made by Cookson. |
 | Hoods fabricated from minimum 24 gauge sheet metal with horizontal corrugations every
inch across the width of the door. |
 | Curtain finishes include FinalCoteTM, ColorCote, primed steel, unpainted
steel, mill finished aluminum, anodized aluminum and #4 finished stainless steel. |
 | Standard service doors are built to cycle 25 times a day or 50,000 times for the life of
the door. |