A broken garage door spring is one of the most common — and most dangerous — issues homeowners face. When a spring snaps, the door loses its counterbalance and can fall without warning. Torsion and extension springs are repaired and replaced for homeowners throughout Maryland Heights and St. Louis County using the correct tools and safety procedures.
Maryland Heights sits in the Missouri River valley just northwest of St. Louis, a St. Louis County suburb built largely from the 1960s through the 1990s as ranch and split-level subdivisions filled in the flat river-bottom and bluff-top terrain around what is now the Maryland Heights Centre retail corridor and the county's Creve Coeur Lake park system. The city's position directly in the river valley — much of it within the historic Missouri River floodplain — means humidity runs higher here than in the bluff-top St. Louis County suburbs to the south, and river-valley fog and dampness are a routine part of fall and spring mornings. The local economy centers on a large retail and entertainment corridor (including one of the region's major concert venues) along with logistics and light-industrial development that has taken advantage of the flat terrain and highway access at I-270 and Page Avenue. That combination of river-valley humidity and a housing stock now 30-60 years old is the defining local factor for garage door service here: steel springs, cables, and track hardware corrode and wear noticeably faster than in the drier parts of the St. Louis metro, and rust-related failures show up as a service call more often than they do in the bluff-top suburbs nearby.
Torsion vs. Extension Springs
Torsion springs run horizontally above the door opening and are the most common type in modern homes. They store energy as the door closes and release it as the door opens. Extension springs run along the upper tracks on either side of the door. Both types are under extreme tension — spring replacement is not a safe DIY task. The correct spring size, wire gauge, and winding method matter significantly for door balance and longevity.
The door is noticeably noisier or slower than it used to be
Worn rollers, hinges, or a spring losing tension are common causes — often fixable before they turn into a full opener or spring failure.
The door doesn't open or close evenly, or looks slightly crooked
This can point to a broken or unbalanced spring or cable, which is a safety-relevant issue worth addressing rather than working around.
Visible rust, dents, or gaps around the door's weather seal
Beyond appearance, a compromised seal or panel can let in drafts, pests, and moisture, especially relevant on an insulated door doing its job.
How Long Do Springs Last?
Standard garage door springs are rated for approximately 10,000 cycles. The average household opens and closes their garage door about 4-5 times per day, which means a standard spring may last 5-7 years. High-cycle springs rated for 25,000 or more cycles are available as an upgrade and are worth considering if you use your garage as a primary entry point. We can advise on the best option for your usage pattern.
- On a two-spring door the springs are installed as a matched pair and wound to the same cycle count. When one breaks the other is at the same point in its life, so replacing both at once is usually the cheaper path over the next few years — one service call rather than two.
- Replacing only the broken spring is defensible if the pair was installed recently and the second genuinely has low cycles. It is worth asking how old the existing spring is before deciding.
- High-cycle springs cost more up front and are rated for several times the cycles of a standard spring. The upgrade pays off on a door used as the household's main entrance, and generally does not on a door opened once or twice a day.
- Springs are matched to a specific door weight, drum, and travel. A spring that is close but not correct leaves the door heavy or drifting, wears the opener, and shortens its own life — which is the main reason parts-counter springs so often disappoint.
Have Questions?
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Call (314) 860-3394This content is reviewed by the Missouri Garage Doors editorial team and informed by licensed-contractor sourcing, manufacturer documentation, and established industry standards for Garage Door Service. Read our editorial standards.