Commercial Garage Door Spring Repair — Vancouver & Richmond
The spring does the actual work on a commercial overhead door. A standard sectional steel door — even a modest warehouse bay door — weighs between 150 and 500 pounds depending on insulation, panel gauge, and size. The torsion spring system is what makes that weight manageable. It stores energy on the way down and releases it on the way up. When it fails, the opener is lifting dead weight. That burns out motors fast and puts real stress on cables, drums, and hardware that was never meant to carry full door load.
When a commercial spring snaps, you usually know immediately — there is a loud crack, and the door either stops dead or opens an inch and jams. If the opener is strong enough to force past a broken spring, do not let it keep running. The strain will shorten the life of every other component in the system. Call us instead: 604-206-5727.
Torsion Springs
Most commercial overhead doors use a torsion spring system mounted on a steel shaft above the opening. Lighter doors and smaller bays typically run a single spring. Heavier doors — loading dock bays, large warehouse openings, oversized industrial doors — usually run two or three springs on the same shaft. We replace single springs and full multi-spring assemblies.
When one spring breaks in a two-spring setup, we replace both. The reason is simple: springs wear at the same rate. If one broke, the other is close behind. A mismatched new-and-old spring setup also creates uneven tension across the shaft, which pulls cables off drums and causes the door to drift to one side.
High-Cycle Springs
Standard commercial torsion springs are rated for roughly 25,000 cycles. A loading dock door that opens and closes 40 times a day burns through a standard spring in under two years. High-cycle springs are wound with heavier wire gauge and rated for 100,000 cycles or more. For any commercial door that sees hard daily use — loading docks, courier depots, busy auto shop bays — high-cycle springs are the practical choice. The cost difference upfront is small compared to the cost of repeated service calls.
Signs the Spring System Is Failing
- Door feels noticeably heavier when you lift it by hand after disconnecting the opener
- Opener runs longer than usual or sounds strained on the way up
- Door drifts down slowly when left at mid-height — a balanced door should hold its position
- One side of the door rises faster than the other
- Visible gap in the spring coil — that is a break
- You heard a sharp bang from the door area, often described as a gunshot crack
What the Repair Involves
We check door balance before touching the springs. We disconnect the opener, lift the door by hand to mid-height, and release it. A properly sprung door holds position or drifts only slightly. If it drops to the floor or shoots upward, the spring system is off. From there we measure door height and weight, confirm the existing spring specifications — wire diameter, inside diameter, length — pull the correct replacement from the truck, wind to the proper torque, and re-check balance. Most commercial spring jobs are done in under two hours. We run several full cycles before leaving.
Commercial torsion springs are under significant stored tension. This is not a job to hand to the building maintenance person with a set of winding bars from a video tutorial. If something goes wrong during winding, the results are serious. We have the right tools, the torque specifications for your door weight and height, and the experience to do it safely.
Spring Repair Across the Lower Mainland
We are based in Richmond and cover commercial and industrial properties across Greater Vancouver. Warehouse districts in Delta and Surrey, strata parkades in Burnaby and North Vancouver, auto shops and service bays across Vancouver and Coquitlam, industrial parks in Langley. Same-day spring repair when we carry the right spring — which covers the large majority of standard commercial applications.
Related services: cable repair, roller and track repair, 24/7 emergency service, maintenance contracts. For the full service overview, see our commercial garage door repair Vancouver page.
Call for spring repair: 604-206-5727 — available 24/7 for commercial emergencies across Richmond, Vancouver, and the Lower Mainland.