Thin spots on cable
Fifty-plus years of winding and unwinding on the same drum groove wears a cable thin in spots you can't see until it frays or snaps, usually on the bottom pulley where it bends the sharpest.
Westport, Stamford
Westport's garage doors mostly date to 1968-era builds. Original drums and cable anchors are common. Stamford Garage Door Pros repairs cables here, 11 miles out.

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Warning signs
In a lot of Westport garages, the lifting cables are the one part nobody's ever touched. If the house went up around 1968, which is the median build year for homes in this part of the service area, there's a real chance the cable drums and the galvanized cable itself are original to the door.
Fifty-plus years of winding and unwinding on the same drum groove wears a cable thin in spots you can't see until it frays or snaps, usually on the bottom pulley where it bends the sharpest.
You'll notice it as a door that drops crooked on one side, a loud pop followed by the door sagging, or a cable visibly unspooled off the drum while the other side still looks fine.
Sometimes it's slower: the door starts binding in the track a little more each month as the cable stretches unevenly before it finally lets go. None of this is an opener problem, even though a lot of owners call it in as one.
On the truck
We carry galvanized lift cable in the gauges that match torsion and extension setups from that era, along with standard drums, safety cables for extension-spring doors, and the fittings that anchor a cable to the bottom bracket. For a straightforward snapped cable on a residential door, this is a same-truck repair, not a special order.
Where it gets slower is matching an odd drum diameter or a non-standard track radius on an older custom door - some of the doors from the late 1960s builds in this area used hardware sizes that aren't on the shelf anymore, and we may need a day or two to source the right drum rather than force a near-match that throws the cable tension off again in a year.
Local causes
This part of Connecticut sits in a cold, severe climate band, and that matters for cable life more than people expect.
Cold tightens steel cable and makes it brittle at the strand level, so a cable that's been fraying slowly for years is far more likely to finally snap on a sub-freezing morning than in July. Combine that with original 1968-era hardware that's never been inspected, let alone replaced, and you get a cable failure that looks sudden but was decades in the making.
We also see a lot of garages here with household incomes well above the area median - $250,001 is the local figure - where the door itself has been upgraded cosmetically (new panels, insulated sections) but the cable and drum behind that new face are still the originals. A nice door face doesn't tell you anything about what's spooled on the drum.
Pricing
We don't have a fixed Westport price to quote here - cable repair cost depends on whether it's a single snapped cable, a matched pair that both need replacing because one failed, and whether the drums or bottom brackets also need swapping. What we can tell you is the honest limitation: if the torsion spring that works with that cable is also original and showing rust or gap in the coils, replacing the cable alone is a short-term fix. We'll always tell you when that's the case rather than send a truck back out in six months for the spring.
Questions
No. A cable failure usually leaves the door sagging to one side or stuck at an angle, while a broken spring usually makes the door feel heavy or refuse to lift at all. They're different parts, different failure patterns, and often get replaced together only if both are original and worn.
Cold makes steel cable more brittle, and a cable that's been fraying internally for years will often hold through warmer months and let go on a hard-freeze morning. The cold doesn't cause the wear - it just finishes the job.
We carry standard galvanized cable and drums that fit most torsion and extension setups from the 1960s-70s building era common in this area. Non-standard drum sizes on older custom doors sometimes take a day or two to source.
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Stamford Garage Door Pros repairs and installs garage doors, springs and openers in Stamford, CT and the surrounding area.