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 g arage doors.
Standard
Low Headroom
Vertical Track: on either side of opening.
Horizontal Track: attached to ceiling.
Radius: curved track
7 feet high - 4 sections high
8 feet high - 5 sections high
- available up to 16 feet high
4-1/2'–12" – low headroom track
12" or more – standard track
4" above track – required for operator