Tag Archives: garage door parts
Anatomy of a Garage Door
Here’s the inside look of a sectional door:
1. Torsion Spring
Counterbalances door’s weight so that it can be lifted easily.
2. Track
Guides door up to ceiling and back.
3. Roller
Rides inside track. Steel ones are noisy; nylon is quieter.
4. Hinge
Connects horizontal sections.
5. Section
6. Lock Bar
Engages with track to prevent door from opening.
7. Weatherstripping
Seals door edges against air infiltration.