Garage Door Components

  1. Window Lite Glazed section with various types of glass or acrylic to allow for light and visibility.
  2. Sections Steel panels reinforced with stiles interconnected with hinges and rollers.
  3. Bottom Bracket A structured support that provides for attachment of lifting cables.
  4. Cable Drum Grooved drums on the torsion spring shaft that allow lifting cables to wind when garage door opens.
  5. Torsion Springs Provides the means to raise and lower garage doors via cable winding on drums.
  6. Extension springs  extend along both horizontal tracks
  7. Rear Track Hanger
  8. Track Guides a section to raise or lower garage doors.

Track Types: 

  • Standard 
  • Low Headroom

Track Components: 

  • Vertical Track: on either side of opening. 
  • Horizontal Track: attached to ceiling. 
  • Radius: curved track

Standard Heights: 

  • 7 feet high – Typically 4 sections high 
  • 8 feet high – Typically 5 sections high

Extended Heights – available up to 16 feet high

Headroom Chart 

  • 4-1/2’–10″ – low headroom track
  • 10″ – standard track/extension spring 
  • 12″ – standard track/torsion spring 
  • 14″ or more – required for operator