Before & After Gallery - Brock Garage Doors Dallas

Garage Door Before & After in Dallas, TX

Talk is cheap in this trade. A repair company can tell you they do clean work, but the proof is what the door looks like when the truck pulls away, what it sounds like on day 30, and whether it still opens square on day 300. Below are real scenarios we see across Dallas neighborhoods, from East Dallas to North Oak Cliff, with the problem described straight, the fix we applied, and the result. Wade Mercer, our owner, insists every job be photographed before and after. Not for the website. For the homeowner’s file. If a repair fails inside the 365-day Done Right Promise, that photo file is how we know exactly what we touched.

Call (254) 269-5837

Recent Transformations

Torsion Spring Failure on a Wayne Dalton Door

BeforeAfter

A homeowner near White Rock Lake called at 6:40 on a Tuesday morning because the door wouldn’t budge. The left torsion spring, the thick coiled spring mounted above the door that bears most of the lifting load, had snapped clean in half the night before. The door was stuck closed with the family’s only car trapped inside. We replaced both springs as a matched set, never just the broken one, because a single new spring on a used partner creates uneven lifting that wears out the opener gear and cables within months. The door was back on its tracks, balanced, and running quieter than it had in two years by 8:15 the same morning. Written price handed over before the first tool came off the truck: $285 for the spring pair, including labor and a one-year written guarantee.

Frayed Lift Cables on a 16-Foot Clopay Door

BeforeAfter

We got called to a home in Casa View where the homeowner noticed what looked like loose wire threads hanging off the right side of the door. That’s a frayed lift cable, and once strands start snapping, the cable is under enough tension to take a finger off if it lets go while someone is standing next to it. This is not a DIY situation on a torsion-spring door. We released the spring tension safely, removed both cables, and installed a fresh pair sized to the door’s exact height and drum type. Most cable repairs in Dallas run $150 to $275 depending on cable type and drum condition. This job landed at $190, written down before we started, and the door has cycled clean every day since.

Opener Motor Burnout on a LiftMaster Jackshaft

BeforeAfter

A customer in Preston Hollow had a LiftMaster 8500W jackshaft opener that had been working hard for nine years on a heavy carriage door. The motor finally gave out, and the door wouldn’t respond to either the wall pad or the remote. We pulled the old unit, checked the door’s balance first, because an opener is never allowed to fight the door itself, and installed a new LiftMaster unit matched to the door’s weight and cycle rating. The new opener is quieter, has a battery backup for power outages, and the homeowner got the written 365-day guarantee on the full job, $410 parts and labor, agreed before work began.

Bent Track Section on an Amarr Door

In Lake Highlands, a teenager backed into the garage door while it was halfway up, and the impact jammed the roller into the vertical track, bending the steel and seizing the door. The bent track meant the door couldn’t close fully, leaving the garage open to the alley overnight. We removed the damaged section, straightened and re-lagged the remaining track, replaced the broken roller, and adjusted the opener’s travel limits so the door sealed tight again. The total was $175, written and approved before we touched anything. That door now opens with a two-finger push from the manual release and runs smooth through the full cycle.

Noisy, Shaking 14-Foot Genie System in a Bishop Arts District Carriage House

The owner of a converted carriage house off Davis Street described the door as “sounding like a washing machine full of bricks” every time it moved. The noise came from 12-year-old steel rollers that had never been replaced, six of them seized solid, grinding bare metal into the hinge brackets. We replaced all rollers with sealed-bearing nylon rollers, swapped three worn hinges, and re-torqued every lag bolt on the track. The same door, same opener, no new motor needed, now runs at half the decibel level. Job total: $145, with the written quote sitting in the homeowner’s email before we unloaded a single tool.

Full Opener Swap on a Chamberlain Chain-Drive in East Dallas

A homeowner in Old East Dallas had a Chamberlain chain-drive opener from 2009 that finally stripped its gear. The door would run halfway up, grind, and reverse. We recommended a belt-drive replacement to cut the noise, since the bedroom sits directly above the garage. The new Chamberlain belt-drive unit went in on a Friday afternoon, with a fresh wall console, two remotes, and reprogrammed safety sensors. The total was $395, written down before the old opener came off the ceiling, and the difference in noise is night and day. The 365-day Done Right Promise covers the whole install.

Want Results Like These?

These are the jobs we do every week across Dallas. Yours doesn’t have to look like any of them. If your door is stuck, shaking, or just not running right, call (254) 269-5837 and a live person answers, day or night. We’ll give you a written price before any work starts, and you’ll know exactly what you’re approving. No surprises, no pressure, no invoice that doesn’t match the quote.

Written by Wade Mercer, Owner at Brock Garage Doors Dallas, serving Dallas since 2001.