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:
    StandardLow HeadroomTrack 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