Curtain

• 26-gauge, Grade E hard steel, 5/8” deep ribbed corrugation
• 20 standard colours, special colours available upon request
• Wash coat over primer on interior side
• 30-year film integrity warranty, up to 25-year chalk and fade warranty
• Two stainless steel latches, either padlock style or cylinder style, or the cast Zinc Apex latch
• Apex latch: Limited pry points, rust resistant* and magnetic alarm compatible
• All latches accept double locks and 7/16” shackles
• Rain lip note: For proper exterior door installation, a 1 ½” deep rain lip must be formed in the concrete slab, extending a minimum of 3 ½” from the interior face of the jamb

Bottom Bar

• 6063 – T6 aluminum extrusion
• 1 ½” x 1 ½” galvanized angles to provide structural stability, security and increased wind load resistance
• Bulb astragal, replaceable vinyl weather seal

Axle-Drum Assembly

• 14-gauge 1 5/16” O.D. steel axle
• 18-gauge 9 ½” drums
• Oil-tempered e-coated torsion springs, available in two springs upon request from 7’ to 10’ wide
• Fully accessible springs for inspection and maintenance

Guides

• 16-gauge galvanized steel guides and windbar
• Pre-punched holes for anchors, slide latch, bracket attachment and head stop attachment
• Polyethylene guide strips provide easy, quiet operation
  

Hardware

• 12-gauge head stops have slotted mounting holes for proper attachment
• 14-gauge galvanized steel handles
• 12-gauge tension bracket made for additional strength; shielded radial bearings for smooth operation; worm gear adjusting design allows for unlimited adjusting positions
• 12-gauge bearing bracket on left side
  

Options

• Top and side draft stop
• Smaller sizes may not require windlocks or windbars 700 Series
• Insulation 691 Series