The torsion spring is an integral part of today’s garage door. It is a simple piece of mechanical hardware that uses a counterbalance assembly. Learn how to determine the spring wind, length, and inside diameter.
When you look closely at garage door torsion or extension springs, you’ve likely noticed the colorful paint that is used to differentiate springs the overhead door industry. DASMA has created the industry standard for color-coding springs.
The counterbalance assembly does the heavy lifting of any garage door. Without it, the garage door is dead weight. The main components of the counterbalance assembly are the springs, drums, cables and cones, shaft, center and end bearing plates.