Spring Systems Explained: Torsion vs Extension for High Cycle Doors | ABX Industrial Overhead Door

Why Springs Are the Heart of the Door

The balancing system carries 90 percent of the door weight. Spring quality decides whether the door feels light after five years or becomes a maintenance trap.

Torsion vs Extension

Torsion systems balance wider and heavier doors smoothly and are the industrial standard. Extension systems fit small, light doors only.

What We Specify

• High-grade spring steel wire
• Cycle rating matched to real traffic, not minimum
• Shaft and drum sizing for vertical lift ratios

Conclusion

Never save on springs - the door remembers it every single cycle.