Springs Built for High-Cycle Commercial Use

Commercial garage spring repair for businesses and facilities throughout Duluth, Minnesota.

When a loading dock door or service bay door stops lifting smoothly or drops too quickly, the springs that counterbalance the door weight may have reached the end of their cycle life or failed under heavy use. In Duluth, commercial doors at warehouses, auto shops, and maintenance facilities cycle dozens of times per day, which accelerates spring wear compared to residential doors. You may notice that the door refuses to open past a certain height or that the opener motor runs but the door barely moves.


Twin Ports Garage Door, LLC. replaces torsion springs and extension springs on commercial overhead doors, including sectional doors, rolling steel doors, and heavy-duty insulated doors. We measure the door weight and spring specifications to install replacement springs rated for the higher cycle counts required in commercial settings. We also inspect cables, drums, and end bearings for signs of wear that often occur when a spring fails under tension.


If your commercial door in Duluth is operating unevenly or the opener is struggling, reach out to discuss spring replacement and scheduling options.

Garage door opener mounted on the ceiling with a pull cord, visible from below.

How Failed Springs Affect Daily Operations

We begin by disconnecting the operator and manually testing the door to confirm the springs are no longer providing adequate lift. In Duluth, we frequently service doors that cycle twenty to fifty times per day, and springs in those environments typically wear out faster than residential springs. We use winding bars and proper anchoring techniques to safely remove the old springs and install new ones calibrated for your door's size and weight class.


After the new springs are installed, the door should lift with minimal effort and stay in position when raised halfway. The opener motor will run quieter and draw less power because the springs are doing the work of counterbalancing the door weight. The door should also close at a controlled speed without slamming into the floor or bouncing back up.


We test the door multiple times after installation and adjust the opener force settings if needed. This service focuses on spring replacement and does not include structural track repair, panel replacement, or operator installation. If we identify additional issues during the repair, we will explain what else may need attention to keep the door operating safely under daily use.

Two dark green pine trees against a white background.

What business owners ask before scheduling repairs

Understanding how spring failures happen and what affects repair timing helps you plan service around your facility's schedule and reduce downtime.

Why do commercial garage door springs wear out faster?

Commercial doors cycle more frequently than residential doors, and many operate in unheated or climate-controlled environments that expose the springs to temperature swings. High-cycle springs are rated for more operations, but they still wear out over time based on usage patterns.

How long does a commercial spring repair take?

Most repairs on standard sectional or rolling doors take between one and three hours, depending on door size and spring configuration. Larger or custom doors may require longer installation times, and we work to minimize disruption during business hours.

What are high-cycle springs?

High-cycle springs are designed to last longer under frequent use, typically rated for fifty thousand to one hundred thousand cycles instead of the ten thousand to twenty thousand cycles found on residential springs. They use thicker wire and more durable materials.

How do I know if the springs need replacing or just adjusting?

If the door is difficult to lift manually or drops quickly when released, the springs have likely lost tension or broken. Adjustments can help if the door is only slightly unbalanced, but worn or damaged springs need full replacement to restore safe operation.

Can you repair springs on insulated commercial doors?

Yes, we work on insulated sectional doors and rolling steel doors used in warehouses and service bays throughout Duluth. Insulated doors are heavier, so they require springs with higher load ratings to balance the weight properly.

Twin Ports Garage Door, LLC. provides commercial spring repair for businesses and facilities throughout Duluth, including loading docks, auto shops, and maintenance bays. Get in touch to schedule a repair or inspection for your commercial door system.