Common issues we see
- Loud bang from the garage and the door won't lift
- Visible gap in the torsion spring above the door
- Door feels extremely heavy or only opens part-way
- Opener strains, hums, or trips its safety stop
Our process
- 01
Diagnose
We confirm spring size, weight balance, and cable condition before quoting.
- 02
Match parts
High-cycle springs sized exactly to your door — installed as a matched pair.
- 03
Replace & balance
Springs swapped, drums set, door balanced to lift smoothly by hand.
- 04
Safety test
Reverse sensors, force settings, and travel limits checked before we leave.
Why Merriwether for spring repair & replacement
We're a small, locally owned North Augusta team. You'll talk to the same people every time you call, you'll get an upfront written quote before we touch your door, and our parts carry a lifetime warranty. No call centers, no commissioned salespeople, no surprises.