Components of a Garage Door
Know your garage door: Each component of this garage door diagram is designated with a number that corresponds to a component explained in the text below.

Know Your Door

1. Section with Windows

Glazed section with various types of glass or clear acrylic to allow for light and visibility.

2. Sections

Steel panels reinforced with stiles, interconnected with hinges and rollers.

3. Roller Fixture

A structured support that provides for attachment of lifting cables.

4. Cable Drum

Grooved drums on the torsion tube that lifting cables wind around when door is opening.

5. Torsion Springs

Counter-balancing springs that enable the door to open and close, via winding on cable drums.

6. Extension Spring

Counter-balancing springs that enable the door to open and close, via cable and roller mechanism. Not available in new doors.

7. Horizontal Track Back Hang

Fastens horizontal track to ceiling.

8. Horizontal Track Guide

A guide for sections to raise or lower the garage door.

Track Types

  • Standard Lift
  • Hi-Lift
  • Low Headroom

Standard Heights

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

Extended Heights

  • Extended heights are available up to 20 feet high.