Garage Door Components
  Window Lite
Glazed section with various types of glass or acrylic to allow for light and visibility.
 Sections
Steel panels reinforced with stiles interconnected with hinges and rollers.
 Bottom Bracket A structured support that provides for attachment of lifting cables.
 Cable Drum Grooved drums on the torsion spring shaft that lifting cables wind around when garage doors open.
 Torsion Springs
Provides the means to raise and lower garage doors via cable winding on drums.
 Extensions extend along both horizontal tracks
 Rear Track Hanger
 Track Provides a guide for 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 - 4 sections high
8 feet high - 5 sections high
Extended Heights - available up to 14 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
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