commercial door styles

Full Duty Service Doors

Full Duty commercial door 1Full Duty commercial door 2

Full Duty commercial door 3Full Duty commercial door 4

General Description

  • Industrial grade rolling steel doors designed for maximum strength and durability
  • A unique, structural half hexagonal one-piece hood with integral supports is standard for opening widths of up to 20 feet
  • A two-part baked-on finish paint system is standard
  • Guides and headplates are bead blasted to a smooth finish, then powder coated and baked in-house for an extremely durable, standard finish
  • Chain hoist is standard operation with motor or manual operation optional
  • Headroom issues are minimized by customized headplate sizes
  • Janus rolling steel products utilize a high percentage of recycled content in their manufacture and are entirely recyclable at the end of their life service


Bottom Bar

  • Extruded aluminum mill finish T-type is standard to 16'4" width
  • Double angle steel bottom bar has a powder coated or galvanized finish
  • Plated steel bottom bar slide locks standard with manual and chain hoist doors
  • Tube-type bottom astragal is safety yellow for high visibility
  • Accepts pneumatic or electrical safety reversing edge


  • 22, 20 and 18-gauge galvanized steel interlocking roll-formed slats in curved (1.97" x .53") or flat (2.63" x .66") profiles 
  • Curtains use malleable iron endlocks to prevent lateral movement
  • Curtains are laced and locked on a state-of-the-art lacing table
  • Bronze, tan, grey, white are standard finish coat colors   
  • 188 standard powder coat color options
  • Barrel
  • Stress relieved, permanently lubricated  20,000 cycle spring life with high cycle spring designs optional
  • Engineered to deflect not more than .003" per foot of width
  • Graduated rings prevent egg-shaped curtain wrap and are permanently welded to barrel


  • Structural steel three angle guides standard, with rollformed galvanized steel guides optional
  • Service cutouts in the guide angles provide easy curtain installation and service access
  • Flared bellmouths ensure smooth curtain transition from coil to guide
  • Removable curtain stops prevent curtain over-travel


  • Standard three year warranty on Janus SD Series service doors


  • Motor, crank or manual operation
  • Pneumatic or electric safety edges
  • High cycle life designs
  • Wall control station and radio control options
  • Inertia brakes
  • Weatherstrip packages (SD20)
  • Increased windload designs
  • Powder coat finishes


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