Garage Door Repair for Dunwoody Homes

Time on the Job

Most repair calls in Dunwoody run one to two hours once we're in the driveway, depending on what's actually wrong. A torsion spring swap is quick work for a tech who's done it a hundred times. A bent track or a opener logic board that's fried from age takes longer, because we're chasing a problem instead of just replacing a known part. We don't quote a flat number over the phone before we see the door - a lot of outfits do, and then the number changes once the truck's parked. We'd rather tell you straight: on a house built in the 1960s or 70s, which covers a lot of the stock across this service area, the original hardware is often still partly in place, and that changes the job. Sometimes it's a thirty-minute fix. Sometimes we're pulling a whole section because the panel's rusted through at the bottom where water sits. We look at the door, tell you what we see, then tell you what it takes and how long before we touch a wrench.

What the Fix Involves

The repair itself depends on what broke, but on older Dunwoody doors it usually comes down to one of three things: the torsion spring, the opener's drive mechanism, or the track alignment. If it's a spring, we size it to the door's weight and wind it under tension with the right bar - not a screwdriver and a prayer. If it's the opener, we check whether the motor's actually dead or whether it's a sensor, a logic board, or just a worn drive gear, because replacing a $400 opener when a $40 part would do it is a bad trade for you. Track work means resetting the rollers to the rail and checking the cable drums aren't worn through on one side, which happens a lot on doors where the spring's been overdue for replacement and the opener's been straining to compensate. We don't force a part that doesn't fit the door's weight just because it's what's on the truck. On a house with original hardware from the 1970s, parts sometimes have to be matched to spec rather than grabbed off a shelf, and that can mean a short wait if it's an odd size.

What You Are Seeing

If the door slams the last six inches instead of settling down slow, that's almost always a spring that's lost tension - not the opener, even though the opener gets blamed first. If it opens unevenly, one side higher than the other, that's a cable or a drum problem, and it usually means someone's been running the door on a spring that should've been swapped a year ago. A door that reverses right after it starts closing is a sensor alignment issue most of the time, cheap to fix, often caused by nothing more than a shifted bracket. Grinding or a loud bang mid-cycle on an older door is frequently a roller that's seized in its track, which on original 1960s-70s hardware means steel rollers that were never meant to run maintenance-free for fifty years. If your opener runs but the door doesn't move at all, check the manual release cord first - we get calls for that more than anyone wants to admit.

Why This Fails Locally

Dunwoody's housing runs from 1951 up through 2007, with the median landing around 1978, and a lot of the stock across this service area's 25 named areas is squarely 1960s and 70s construction. That matters for one blunt reason: torsion springs have a lifespan measured in cycles, not years, and a door installed in 1972 has had five decades to wear out every spring it's ever had, often more than once. Add a cold-moderate climate - real winter cold snaps, not extreme, but enough freeze-thaw to stiffen grease and make metal brittle at the joints - and steel components that were fine in October start binding or snapping in January. Newer doors elsewhere might not show this for another twenty years. Here, a spring replaced in the 1990s is already past due, and original hardware from the 1960s and 70s is well past the point where failure is a matter of when, not if.

Frequently asked questions