Overhead Door Logo

 Security Grilles 

Skip Navigation Links

 678 Series 

  

security grilles 

When Overhead Door Corporation's side-folding full closure grilles are ideal for applications that require a secure barrier against theft and debris, such as retail applications in malls and airport concourses. The Full Closure side folding grille line includes four panel materials: performated steel, clear polycarbonate, tempered glass and aluminum. All four models are available in both standard-body and wide-body versions.

Series 678 Crystalgard™ -- Tempered glass for a crystal-clear view and high durability. Visibility: 100% of 4-3/4" (121mm) viewable area.

Curtain frame

Truss-like aluminum top and bottom plates

Frame thickness

1/8" (3 mm)

Panel width

6 5/16" (160 mm) standard body
11 1/4" (298 mm) wide body

Trolley assembly

1 1/8" (29 mm)

Vertical adjustment

1" (25 mm) up/down without curtain removal

Track

Top-mounted, heavy-duty aluminum sections

Track height

1 5/8" (41 mm)

Track width

1 3/8" (35 mm)

Standard track curves

90°, 120°, 135°, 150°

Std. radius

14" (356 mm) standard body
22" (559 mm) wide body

Post types

Lead post

Hook lock and wall channel; bi-part; top bottom shoot bolts

Intermediate post

Bottom shoot bolt

Trailing end post

Traveling; fixed; hook lock and wall jamb; top and bottom shoot bolts; carrier

Locking mechanisms

Lead post

Concealed cylinder operated hook lock accessible from interior and exterior

Intermediate post

Concealed cylinder operated shoot bolt accessible from one side only

Trailing end post

Attached 10' max. (3048 mm) protection plate self locking into a steel V-Stop

Standard finish

Clear anodized finish

  • Custom radii and curves
  • Emergency egress door
  • Thumb-turn guards
  • Color-matched, anodized finish
  • Color-matched, Duracron (acrylic) finish
  • Powder-coat paint finish in 197 standard colors, or color-matched to your specification