Whole-system duct and dryer vent check with before-and-after photos - you see exactly what came out of your vents
That "$99 whole-house special" is a bait ad - the real number appears once they are in your hallway, or the "clean" is a shop-vac at the register. We photograph the inside of your ducts before and after instead.
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AfterFast, Reliable Duct Repair & Sealing Across Norcross
Duct repair and sealing in Norcross typically runs $280-$740 for most residential jobs, with flex duct replacement in older homes climbing toward the higher end when multiple runs are involved. We’re usually on-site in Norcross within 24-48 hours of your call, scheduling from our Atlanta office with crews that know the difference between a Beaver Ruin Road split-level and a Jimmy Carter Boulevard rental stack. Call (470) 495-9370 for a written estimate before any work starts.
Norcross sits at one of Gwinnett County’s oldest suburban crossroads, and that age shows in the ductwork. The 1970s and 1980s buildout that defines this city’s housing stock left thousands of homes with flex duct in unconditioned attics, original grey insulation, and installation shortcuts that are only now failing in bulk. Our Duct Repair & Sealing team has worked these specific streets since 2013. We know the local failure patterns because we’ve photographed them.
Why CleanRun Air Duct Cleaning Atlanta Is Norcross’s Preferred Duct Repair & Sealing Company
We’ve served more than 52,000 homes across the Atlanta metro since 2013, and Norcross has been a consistent concentration of our repair work. The density of aging flex duct here generates repeat referrals from neighbors who’ve seen our photo records. Reviews from Norcross customers consistently mention the before-and-after documentation - the camera doesn’t flatter, and it doesn’t lie.
Response time to Norcross is typically next-day or the following business day. We’re not selling urgency; we’re selling specificity. The crew that arrives will have worked on homes within a few miles of yours, will know the likely duct configuration based on your subdivision’s build year, and will deliver a written price before touching a single panel.
Local knowledge matters because Norcross ductwork isn’t generic. Shared chases in apartment stacks, original grey flex in 1980s subdivisions, and attic temperatures that destroy insulation are all conditions we scope for before the van leaves our Atlanta office. Haven Standard Clause 1 requires that written price. Clause 3 means the technician who shows up is background-checked, uniformed, and identified by name before arrival.
Our Duct Repair & Sealing Services in Norcross
Duct Sealing
Sealing in Norcross requires more than chasing leaks with a smoke pencil. In the apartment and townhome corridors along Jimmy Carter Boulevard, supply and return trunks frequently serve multiple units through shared chases. Seal only your unit’s boots and you may miss the actual loss point where your conditioned air bleeds into a neighbor’s return. We scope sealing work to the unit boundary, then document what we found with photos of the chase condition. Mastic sealant applied to plenum and boot transitions holds up better than tape in Norcross’s 130°F attic summers. Typical duct sealing in Norcross runs $280-$450 for a single-family home, $180-$320 per unit in multi-family stacks where access is shared.
Flex Duct Repair
Flex duct is the dominant duct type in Norcross’s 1970s-1980s housing stock, and it’s failing on schedule. The original grey flex duct installed before mid-1980s standards tightened - still common in subdivisions off Beaver Ruin Road and Jimmy Carter Boulevard - carries fibrous insulation that sheds into the airstream once the vapor barrier degrades. Sealing a run with degraded insulation is temporary at best. We replace failed flex with R-8 insulated duct, properly supported to prevent the kinks and compression that were standard installation shortcuts in that era. Flex duct repair or replacement in Norcross typically ranges from $180 per run for accessible attic work to $340 per run where the path crosses finished spaces or requires significant access repair.
Metal Duct Repair
Metal duct in Norcross appears mainly in two contexts: the historic downtown core’s early-1900s homes retrofitted with HVAC, and the plenum and trunk transitions in newer systems. Retrofit metal in older homes often suffers from suboptimal routing that creates debris traps at elbows and transitions. We repair separated seams, replace corroded sections, and seal with mastic rather than foil tape, which degrades in humid attic conditions. Metal duct repair in Norcross runs $220-$480 depending on accessibility and the extent of corrosion or separation.
Duct Insulation
Attic-routed ductwork in Norcross faces extreme temperature swings. Summer attic temperatures routinely exceed 130°F, which accelerates degradation of flex duct insulation and creates condensation conditions at supply registers. Once condensation forms in Georgia’s humid summers, microbial growth follows. We replace degraded insulation with R-8 flex or wrap existing metal trunks with formaldehyde-free insulation, sealed at all seams. Duct insulation work in Norcross typically costs $340-$620 for a full system, less for targeted replacement of visibly degraded runs. The photo record shows you exactly which runs were addressed and which were still sound.
What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
BeforeAfterTrusted Brands We Service in Norcross
Our equipment roster includes Nikro negative-pressure extraction systems, Honeywell media air cleaners, and Aprilaire whole-home dehumidifiers - brands you can look up independently before agreeing to any work. We stock common flex duct, mastic, and boot transition components for faster turnaround on Norcross jobs, though some historic downtown configurations require custom-fabricated metal that adds a day to the timeline. Every piece of equipment is named in your written scope, so you know what was used in your system.
Common Duct Repair & Sealing Problems We See in Norcross Homes
- Original grey flex duct shedding insulation. In 1980s subdivisions off Jimmy Carter Boulevard and Beaver Ruin Road, we regularly find original grey flex with fibrous insulation that has begun shedding into the airstream. This is a material failure mode specific to pre-mid-1980s duct manufacturing, and sealing alone won’t fix it - the run needs replacement.
- Shared chases bleeding between units. Norcross’s attached townhome and apartment stacks frequently share supply and return trunks. A seal job scoped only to one apartment can miss the actual loss point, which is why we inspect the full chase and document boundary conditions.
- Attic heat destroying flex insulation. Summer attic temperatures exceeding 130°F degrade flex duct insulation and vapor barriers, creating condensation at supply registers that reopens seams mastic just closed. Replacement with R-8 duct and proper support prevents recurrence.
- Kinked and compressed runs from original install. The installation shortcuts common in 1970s-1980s Gwinnett tract construction left flex duct crushed over garage headers, compressed around framing, or routed with excessive bends. These restrictions reduce airflow and accelerate material fatigue.
Pricing for Duct Repair & Sealing in Norcross, GA
| Service | Typical Range in Norcross |
|---|---|
| Duct sealing (single-family, full system) | $280 - $450 |
| Duct sealing (per unit, multi-family stack) | $180 - $320 |
| Flex duct repair/replacement (per run) | $180 - $340 |
| Metal duct repair | $220 - $480 |
| Duct insulation (full system) | $340 - $620 |
| Mastic sealant application (targeted) | $140 - $280 |
What moves a job toward the higher end: multiple attic access points, finished-space crossings that require repair afterward, shared chases needing coordination with neighboring units, and original grey flex requiring full replacement rather than sealing. What we don’t do: quote a low per-vent teaser that balloons once we’re on-site. Haven Standard Clause 1 requires a written, flat price per system before any work starts. Bring a competitor’s written estimate and we’ll deliver a free second opinion in writing, side by side.
On a split-level off Beaver Ruin Road, our tech pulled a camera through the return and found original grey flex duct with fibrous insulation shedding into the airstream, plus a kinked run over the garage that had been compressed since the original 1980s install. We replaced the failed flex with R-8, sealed the plenum and boot transitions with mastic, and the homeowner noticed the second-floor registers finally pushing real volume again. The photo record showed every stage. That’s standard on every Duct Repair & Sealing in Norcross job we perform.
We Also Serve Cities Near Norcross
Our crews work throughout the Atlanta metro, with regular routes to Decatur, Roswell, Atlanta, and Smyrna. Scheduling and dispatch are coordinated from our Atlanta office, with Norcross jobs routed for efficient next-day or following-day arrival.
Serving Norcross, GA - Our Local Coverage Area
We’re based in the Norcross area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - Duct Repair & Sealing in Norcross
Yes. Many attached townhome and apartment stacks along Jimmy Carter Boulevard were built with shared supply and return chases between units. Sealing work must be scoped to the unit boundary rather than the whole chase, or you may miss the actual leak point where your conditioned air bleeds into a neighboring return. We inspect the full chase and document what we can access versus what requires building management coordination. Call (470) 495-9370 if you’re unsure about your building’s configuration - estimates are free.
Sealing stops air leakage but doesn’t remove microbial growth already established in the duct interior. Norcross’s combination of 130°F+ attic summers and high spring pollen loads creates condensation conditions that seed mold before sealing ever happens. If the musty smell persists after sealing, the duct interior likely needs cleaning or, in cases of porous flex duct with internal contamination, replacement of the affected runs. We photograph the interior condition during our initial inspection and show you exactly what’s causing the odor before recommending next steps.
Original grey flex duct with degrading fibrous insulation cannot be effectively repaired - the insulation itself is failing, and sealing the exterior does nothing to stop particles from entering your airstream. This material failure mode is specific to pre-mid-1980s duct manufacturing and is far more common in Norcross’s older Gwinnett buildout than in newer suburbs. We replace these runs with modern R-8 flex duct, properly supported, and include the photo record of what we removed. Call (470) 495-9370 for a written estimate on replacement scope.
We coordinate parking and equipment staging as part of our pre-arrival confirmation. For Norcross’s denser corridors and multi-family buildings, we use compact equipment that doesn’t require a full driveway, and our technicians carry portable camera systems for initial inspection without hauling full negative-pressure rigs to every access point. If roof or exterior access is required for shared chases, we confirm building management approval before arrival. Haven Standard Clause 3: Verified Crews means your technician is identified by name before showing up.
Shared dryer vent stacks in multi-family buildings carry elevated fire risk if any unit’s lint accumulation restricts airflow or if the stack itself has separated seams that leak heat and lint into wall cavities. We inspect shared stacks with camera equipment and can scope repair or rerouting options specific to your building’s configuration. The photo record shows you the interior condition of the full stack, not just your unit’s connection point. Call (470) 495-9370 for a written inspection scope and price.
Written by Tomas Reyes, Owner at CleanRun Air Duct Cleaning Atlanta, serving Norcross since 2013.