Full 25-point door and opener safety check with every visit - springs, cables, rollers, tracks, and your LiftMaster or Chamberlain opener included
You get a price before we start. It does not change when the truck arrives.
Amarr Cable & Drum Replacement: The Alpharetta Owner’s Guide
For an Amarr garage door in Alpharetta, cable and drum replacement typically runs $130-$250 installed, and Servo Garage Doors Alpharetta stocks Amarr-compatible cables and drums on our service trucks, so most swaps are done same-day in a single visit. You’ll usually discover the part failed one of two ways: you’ll see a frayed or snapped cable hanging loose against the door track, or the door will lift unevenly with one side lagging behind the other. Sometimes the only clue is a grinding sound from the drum itself, which sits on the torsion bar above the door and winds the cable as the door moves. Either way, this is a repair we do regularly across Alpharetta, from Crabapple to Windward, and the fix is straightforward when the right parts are matched to your door.
Key takeaways:
- Amarr cable and drum replacement in Alpharetta costs $130-$250 parts and labor.
- We stock Amarr-compatible cables, drums, and hardware on the truck, so most jobs wrap up the same day.
- The written price you approve before we start is the price you pay, per Clause 1 of The Haven Standard.
- DIY cable work on a torsion spring system is where we draw the line. More on that below.
How Much Does Amarr Cable & Drum Replacement Cost in Alpharetta?
Across Alpharetta, you’re looking at $130-$250 for an Amarr cable and drum replacement, installed, with the parts matched to your door’s weight and spring configuration. The range exists because some setups need both cables replaced (which we always recommend when one has snapped, since the other has seen the same number of cycles), while others need only one drum or a single cable. A lightweight single-car Amarr panel door is at the lower end. A heavier Amarr carriage-house model with an insulated steel build and a larger torsion bar sits higher. Labor is built into that number, and there is no separate trip charge or diagnostic fee when the repair is completed.
Here is how the pricing breaks down:
- Cable replacement (one side): $130-$175 installed
- Cable replacement (both sides): $175-$250 installed
- Drum replacement (one or both): $150-$250 installed
- Cable and drum together (per side): $180-$250 installed
- Written quote before work starts: included, always
You’ll notice the numbers are flat ranges, not a starting point. That’s deliberate. Clause 1 of The Haven Standard says every job gets a written price and a written scope before any work begins, and that means the number you approve is the number on your invoice. No “we found something else while we were in there” pricing. If the technician finds additional wear while the door is open, they’ll show you, photograph it, and quote it separately before touching it.
Name the part. Quote the number. Then we decide.
Which Amarr Models This Applies To

Amarr builds a broad range of doors under several well-known series lines, and the cable and drum setup differs among them. In Alpharetta, the models we service most often for this repair are:
- Amarr Heritage series: steel pan doors with standard 7-foot or 8-foot height. Uses a conventional 350-series drum on most installations.
- Amarr Classica and Stratford series: insulated steel doors, heavier panels, and often fitted with beefier torsion assemblies and larger drums.
- Amarr Hillcrest and Oak Summit (carriage-house lines): these have decorative hardware and occasional high-lift track, which changes the drum profile.
- Amarr Lincoln and traditional raised-panel doors: common on older Alpharetta homes built in the 1990s and early 2000s. Replacement drums need to be matched to the existing torsion bar diameter.
The compatibility gotcha for Amarr specifically is the torsion bar diameter and drum profile. Amarr uses different bar diameters depending on the door weight and width: many lighter doors use a 1-inch bar, while heavier insulated and oversized doors use a 1 1/4-inch bar. The drum bore must match that bar diameter exactly, or the drum won’t seat properly. We also check the cable length and strand count, because Amarr cables are not universal. A 7-foot door takes a shorter cable than an 8-foot door, and the cable diameter matters for the drum groove.
On the OEM versus aftermarket question: Amarr-branded cables and drums are high quality, but several aftermarket manufacturers produce components that meet or exceed the same spec. We carry both and will tell you honestly when the aftermarket equivalent is the better value. Where we will not compromise is on the drum-to-cable match. A mismatched set wears fast and puts uneven load on the torsion spring, which shortens the life of a part that should last years.
Servo Garage Doors Alpharetta is an independent service provider, not an Amarr dealer or affiliate. We carry Amarr-compatible parts because they make up a large share of the doors in this market, and that means we can usually fix the door the same day rather than ordering a part and coming back.
We also stock replacement parts for LiftMaster, Chamberlain, and Genie openers, and service all eight major garage door brands including Amarr, Clopay, and Wayne Dalton.
Before
AfterSigns Your Amarr Cable & Drum Is Failing
Most Amarr cable and drum failures in Alpharetta announce themselves before they become total. Here is what we see in the field, in order of frequency:
- Visible cable fraying near the end fitting. The cable end that anchors into the bottom bracket takes the most stress, and this is where the individual strands start to separate. If you can see loose strands, replacement is a matter of weeks, not months.
- One side of the door sits higher than the other when closed. A stretched or partially worn cable lets one side droop. The drum may still spin, but the cable has effectively changed length.
- Grinding or squealing from the drum area while the door moves. This is usually a drum that has shifted on the torsion bar and is now rubbing against the bearing plate or the end bearing bracket.
- The cable has jumped the drum groove and is wound over itself. This happens when a drum wears a flat spot or the cable loses tension momentarily. It is a failure in progress, and the door will eventually bind hard.
- A snapped cable, with the loose end visible near the track. When a cable breaks clean, the door almost always locks against the track on one side, because the remaining cable carries the entire load and pulls unevenly. Do not force the door open or closed after this happens.
One Alpharetta-specific factor worth mentioning: humidity. Our summers put more moisture in the air than cable steel likes, and we see corrosion at the cable end fittings on doors with poor garage ventilation. It doesn’t cause the cable to fail, but it accelerates wear at the exact point where the stress is highest.
Replacement Cost & What’s Included

For an Amarr door in Alpharetta, cable and drum replacement runs $130-$250 installed, and the price includes the parts, labor, full tension adjustment, and a test cycle. Replacing just one cable is cheaper than replacing two, but when one cable snaps, its partner has absorbed the same cycle count and the same weather. We will recommend both, show you the condition of the remaining cable, and let you decide. The written quote separates parts and labor so you can see exactly what you are paying for.
Every Amarr cable and drum replacement includes a documented photo record: the failed part before removal, the new part installed, and the door balanced and closing square. That record arrives with your invoice, so if you need proof of what was replaced three years from now, you have it. The work is covered by our 365-Day Done Right Promise. If the repair is not right, we make it right, under the terms of The Haven Standard.
We also check the spring, rollers, and hinges during the replacement, because cable failure often follows spring wear. If we see a spring with a questionable amount of life left in it and the homeowner is watching the budget closely, we will say exactly that and let you weigh it. We are not here to sell you a spring you don’t need. We are here to tell you what we see.
DIY or Call Us?
We will be direct: cables and drums on an Amarr torsion spring system are not a DIY repair. The cables are under constant load from the spring, the drum sits directly on the torsion bar, and loosening or removing either without properly unwinding the spring can release a coil with enough force to break hands and arms. This is not a matter of caution. It is a matter of physics.
What you can safely do is inspect. Look at the cable ends near the bottom bracket. Look at the drum groove. Take a photo and send it to us if you want to know what you are seeing. If the cable has already snapped, pull the red manual release cord only if the door is in the closed position, and leave the door alone. Do not try to operate it with the opener. Then call us at (678) 679-2096. A real person answers, day or night, and we will get a technician out with the right parts and a written quote before a single fastener turns.
FAQs

Amarr cables and drums typically last 8 to 12 years in Alpharetta, but the climate here shortens that for garage doors with poor ventilation because humidity accelerates corrosion at the cable end fittings. The drum itself often outlasts the cable, and we replace the drum only when there is visible groove wear, a flat spot, or the drum has shifted and wallowed on the torsion bar.
No, a frayed cable cannot be spliced or repaired safely. The cable is under continuous spring tension, and a splice creates a weak point that will snap unpredictably. Replacement is the only safe fix, and it is a fast one. Call (678) 679-2096 for a written quote and same-day service in most of Alpharetta.
Most Amarr cable and drum replacements take 45 to 90 minutes from the time the technician starts working, assuming we have the right parts on the truck, which we do for the common Amarr series found across Alpharetta. The job includes unwinding the torsion spring safely, swapping the drum and cable, rewinding the spring, and running a full balance test.
Yes, we carry a range of Amarr-compatible cables, drums, and end fittings on our service trucks, sized for the standard 7-foot and 8-foot doors common in Alpharetta. For unusual sizes or high-lift track setups, we source the part and return, with the delay communicated up front. You will know before we arrive what the plan is.
Written by Marcus Deller, Owner, Servo Garage Doors Alpharetta at Servo Garage Doors Alpharetta, serving Alpharetta and nearby areas.






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