Can I just replace the broken spring and leave the other one?

It is not the usual approach. The second spring has taken the same number of cycles and is likely near the end of its life, and mismatched springs leave the door out of balance. Springs are normally replaced in pairs.

Does salt air really shorten spring life in Miami?

Yes. Salt-laden air off Biscayne Bay and the Atlantic corrodes springs, hinges, tracks and metal fasteners much faster than inland, and Florida's year-round humidity keeps that rust working. Close to the water, coated or stainless hardware is close to mandatory.

Do I need a permit for a spring replacement?

In Florida a permit is typically required to replace a whole garage door, because the door is part of the building envelope. A spring replacement is a repair rather than a door replacement. Permits are issued locally, so check with the Miami-Dade or city building department if you are unsure.

My condo or HOA controls the exterior. Does that matter?

It can. Condo associations and gated communities are very common in Miami, and exterior work often requires HOA approval. A spring sits inside the garage, but check your association rules before anything visible changes.

Who actually shows up?

One Call Garage Door is a referral and scheduling service. We arrange garage door service with independent local technicians across all fifty states — we are not the contractor and we do not perform the work. Licensing is the technician's own, and Florida requirements vary by county and city, so you can confirm credentials with the DBPR or your local building department.

Stop using the door

Broken garage door spring in Miami, FL

You heard a bang. Maybe it sounded like a gunshot inside the garage. Now the door will not lift, or it lifts a few inches and drops back down. If you look at the shaft above the door, you will probably see a coiled spring with a clean gap in it. That gap is the whole problem. The spring was carrying the weight of the door, and now nothing is.

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In Miami, springs usually go for one of two reasons. The first is cycle life. A spring is rated for a number of open-and-close cycles, not a number of years, so a busy household burns through a set faster than a quiet one. The second is corrosion, and that is the Miami-specific one. Salt air off Biscayne Bay and the Atlantic, plus high humidity essentially year-round, eats at springs, hinges, rollers, tracks and fasteners far faster than inland. Florida's hot, humid climate keeps rust working on steel hardware in every month of the year. Within a mile or two of the bay, corrosion — not age, not cold — is what kills most springs.

While you wait — please don't

Stop using the door. With a broken spring the door weighs what the spring was holding, and a partly open door can come down hard without warning.
Do not try to force it up by hand. This is where people hurt their backs, hands and fingers, and where a car gets shut in for good.
Do not touch the torsion spring or the winding cones. Torsion springs are under extreme tension and need the right bars and technique — this is not a DIY job at any experience level.
Do not pull the release cord with the door partly open. Disconnecting the opener on an unbalanced door removes the only thing still holding it, and it can slam to the floor.
Get the car out another way if you can. If a vehicle is shut in, wait for a technician rather than propping the door up with anything.

What the technician does

The door gets weighed and measuredSprings are sized to the actual weight and height of your door, not guessed at. Getting this wrong is why a replacement spring fails early.
Springs are replaced in pairsIf you have two springs and one broke, the other has done the same work and is close behind. Replacing both keeps the door balanced.
Cables, drums and bearings get checkedA spring that lets go often frays a cable or chews a drum on the way out. Those parts get inspected while the door is apart.
The door is rebalancedOnce the new springs are wound, the door should hold its position halfway up on its own. That balance is what protects the opener and the new springs.
The opener safety reverse is testedThe technician checks that the door reverses as it should before calling the job finished.
You get the price firstThe technician looks at the door, gives you the price, and you approve it before any work begins. The estimate is free.

Why this happens in Miami, FL

Miami housing makes this a common call. A lot of the older inland stock is concrete block and stucco from the 1940s through the 1970s, with carports or single-car garages, while newer suburban builds run to two-car doubles. Either way, the hardware is steel and the air here is salt-laden and humid, so coated or stainless hardware near the water is close to mandatory. If your springs, rollers and fasteners are plain steel and you live near Biscayne Bay, expect them to age fast. Ask the technician what the replacement parts are rated for.

Season matters too. Demand climbs ahead of and during hurricane season, June 1 through November 30, when people are servicing doors, gates and shutters before a storm. Winter brings the snowbird months, when seasonal residents come back and open up homes and condos that sat closed for months — humidity does not take a break while a house is empty, and a spring that was already fatigued often breaks on the first few cycles. One more thing worth knowing: if the door itself is damaged and needs replacing, Miami-Dade is in the High-Velocity Hurricane Zone, so a replacement door must be Miami-Dade product-approved and impact-rated. A broken spring on its own is a repair, not a code issue, but it is worth asking about if the door is old.

Questions people ask

Can I just replace the broken spring and leave the other one?: It is not the usual approach. The second spring has taken the same number of cycles and is likely near the end of its life, and mismatched springs leave the door out of balance. Springs are normally replaced in pairs.
Does salt air really shorten spring life in Miami?: Yes. Salt-laden air off Biscayne Bay and the Atlantic corrodes springs, hinges, tracks and metal fasteners much faster than inland, and Florida's year-round humidity keeps that rust working. Close to the water, coated or stainless hardware is close to mandatory.
Do I need a permit for a spring replacement?: In Florida a permit is typically required to replace a whole garage door, because the door is part of the building envelope. A spring replacement is a repair rather than a door replacement. Permits are issued locally, so check with the Miami-Dade or city building department if you are unsure.
My condo or HOA controls the exterior. Does that matter?: It can. Condo associations and gated communities are very common in Miami, and exterior work often requires HOA approval. A spring sits inside the garage, but check your association rules before anything visible changes.
Who actually shows up?: One Call Garage Door is a referral and scheduling service. We arrange garage door service with independent local technicians across all fifty states — we are not the contractor and we do not perform the work. Licensing is the technician's own, and Florida requirements vary by county and city, so you can confirm credentials with the DBPR or your local building department.

One call

Call (866) 394-4210 and we will arrange for an independent local technician to come look at your Miami door. The estimate is free, and you agree the price before any work starts.

Call now · (866) 394-4210

Something else in this area

One Call Garage Door arranges the visit; the technician does the work and gives you the price.