Whole-home duct cleaning
Dryer vent cleaning
Camera inspection
Sanitizing & deodorizingWhole-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.
Rotobrush Duct Sealing & Repair: The Atlanta Owner’s Guide
Rotobrush duct sealing and repair in Atlanta typically runs $340 – $690 installed, depending on the length of duct run, access difficulty, and how much sealing material the job actually needs. We stock Rotobrush-compatible sealing materials and repair parts on our trucks, and we can usually complete the repair within a two-to-three-hour window on your scheduled appointment. Most Atlanta owners discover this problem the way you probably just did: dusty vents that stay dusty after cleaning, a musty smell that won’t quit, or a utility bill that keeps climbing no matter how much you baby the thermostat.
Here’s the thing most people don’t realize until they’re dealing with it: your duct system isn’t one continuous tube. It’s segmented. And every seam, joint, and connection point is a potential leak. When the sealing at those points fails, you’re not just losing conditioned air into your attic or crawlspace. You’re pulling Georgia humidity, insulation fibers, and dust into the air your family breathes. Omar Haddad has seen it enough times across Atlanta homes to say it plainly: a failed duct seal doesn’t fix itself, and it quietly costs you money every single day.
Which Rotobrush Models This Applies To
Rotobrush built its name on the rotary brush cleaning systems, but the sealing and repair side of the business runs through their duct rehabilitation product line. The sealing components we replace most often in Atlanta homes are the water-based polymer sealants applied through Rotobrush’s pressurized delivery system, along with the repair tapes, mastics, and access panels used to close up sections after cleaning or repair work. If you own a Rotobrush aiR+ or a Rotobrush Viper system and you’re seeing sealant residue spraying unevenly or the delivery hose losing pressure, the issue is usually a worn internal seal or a clogged spray tip, not the pump itself.
On the compatibility side, Rotobrush sealants are formulated for their specific delivery pressure range, usually 2 to 4 PSI at the application point. That matters because aftermarket sealants that aren’t matched to that pressure curve either atomize wrong and drip all over your ductwork, or they come out too thick and clog the recovery lines. For the duct sealing itself, we stock both OEM Rotobrush polymer sealant and a quality-matched aftermarket formulation that performs identically at Atlanta’s summer humidity levels. If you’re running an older Rotobrush model that’s been discontinued, call us with the serial number plate info before you order anything. Some of the pre-2012 sealant guns need a retrofit fitting that most supply houses don’t carry. We keep those fittings on the truck.
One note for clarity: Cardinal Air Duct Atlanta is an independent service provider. We’re not affiliated with Rotobrush directly, and we don’t pretend to be. What we do is service and maintain the equipment, stock the compatible parts, and repair the duct systems those machines are designed to clean and seal.
Styles & brands we work with
Signs Your Rotobrush Duct Sealing & Repair Is Failing
- Dust returns within days of a thorough cleaning. The sealant barrier has cracked or peeled away from the duct interior, exposing the porous fiberglass or sheet metal underneath. Loose insulation and attic dust re-enter the airstream almost immediately.
- You can smell the crawlspace or attic inside the house. Failed seals at the return side create negative pressure that pulls outside air through gaps. That air carries whatever lives in that space: damp earth, rodent scent, fiberglass particles.
- Rooms furthest from the air handler stay hot in summer and cold in winter. Air leaks before it reaches those registers. The system is heating and cooling your attic or crawlspace instead of your living room.
- Visible tape is peeling, discolored, or hanging from duct joints. In Atlanta’s humidity, standard cloth duct tape degrades fast. What you’re seeing is a seal that failed years ago, and the duct underneath is likely leaking steadily.
- Your energy bill spikes with no change in usage habits. Leaky ducts typically waste 20 to 30 percent of conditioned air. Georgia Power bills for a 2,400-square-foot home shouldn’t swing wildly season to season if the envelope is sealed correctly.
See the difference
Before
After
Before
After
Before
AfterReplacement Cost & What’s Included
Most Rotobrush duct sealing and repair jobs in Atlanta run $340 – $690 installed. That’s the honest range we quote, and it covers the full scope: inspection of the affected duct run, replacement of failed sealing material, repair of any compromised joints or seams, and a written guarantee on the work. A short sealing job in an accessible attic crawlspace sits at the lower end. A full return-side sealing with multiple access points and an older duct system sits at the higher end. You’ll know which one you’re getting before we touch a single vent.
Drive the time down to specifics: the sealant material itself runs about $1.25 to $2.50 per foot of sealed duct. Labor runs $85 to $120 per hour, and most jobs take two to four hours. Access panels are the wildcard: older Atlanta homes with original ductwork from the 1970s and 1980s often need new access panels cut and installed, which adds about $75 to $125 per panel. If your home is a Grant Park Craftsman with a tight attic or a Buckhead build with a finished basement ceiling boxing in the return, that access work is where the price climbs. We’ll show you the math before any work starts, and the price won’t change at the door.
| Job Component | Typical Atlanta Cost |
|---|---|
| Sealant material (per foot of duct) | $1.25 – $2.50 |
| Labor (per hour) | $85 – $120 |
| Access panel (if needed) | $75 – $125 each |
| Full return-side sealing (typical home) | $340 – $690 installed |
Every repair carries a written guarantee, and the 365-Day Done Right Promise applies to the whole job. If the sealing fails within a year, we return and correct it at no charge. That’s not a limited warranty with fine print. That’s the standard in writing, every time.
DIY or Call Us?
There’s a safe middle ground here, and it’s worth being honest about it. You can inspect your own ductwork in an unfinished attic or open crawlspace. You can look for visible gaps, peeled tape, and sections of flex duct that have pulled away from the collar. You can take photos and note the approximate length of the affected run. What you can’t safely do is apply polymer sealant inside a duct system without proper ventilation and a respirator, and you shouldn’t be working in a confined attic space with Georgia summer heat pushing 130 degrees under the roofline. The sealant we use isn’t dangerous when applied correctly by a trained technician, but it’s not something to wing on a Saturday afternoon.
If you’ve got one small accessible joint that’s come loose, re-securing it with a quality mastic tape is within reach for a careful homeowner. If the problem involves multiple sections, anything in the return side, or ducts you can’t easily reach with both hands, call us. A failed DIY seal will leak again within months, and by then the damage to your energy bill and air quality has already multiplied. Call (470) 408-4927 and we’ll give you a straight answer about what we’re seeing and what it costs. Tell me what you need, I’ll tell you what it costs, we’ll both sleep better tonight.
FAQs
Properly applied Rotobrush-compatible duct sealing in Atlanta lasts 15 to 20 years in most residential systems. The two things that shorten that lifespan here are attic heat cycling and moisture intrusion from crawlspaces without vapor barriers. Homes in Marietta and Roswell with poorly ventilated attics tend to see seal failure at the 10-to-12-year mark. If you noticed failed sealing around year eight or nine, the underlying cause is usually moisture, not a product defect. Call (470) 408-4927 and we’ll diagnose it before we reseal it.
Failed duct sealing can almost always be repaired in place without replacing the ductwork itself. We remove the loose or degraded material, clean the surface, apply fresh sealant, and reinforce the joint mechanically if needed. Full replacement is only necessary when the duct wall itself is crumbling, which we see most often in 40-year-old fiberglass duct board systems. The repair route usually costs less than a third of what a full duct replacement runs.
A standard Rotobrush duct sealing repair takes two to three hours for most Atlanta homes. That includes setup, accessing the affected run, removing old material, applying new sealant, and letting it cure enough to pass a pressure check. Larger jobs with multiple access points can run four hours. We’ll confirm the scope and the time window before we arrive, and you’ll have a written price before we start.
Yes, we stock Rotobrush-compatible sealant, application fittings, repair tape, mastic, and access panel materials on our service trucks. We also carry parts for Lennox, Trane, and Carrier systems when the job crosses over into HVAC components. If you have a specific Rotobrush model or an older discontinued unit, call us before your appointment with the serial plate information so we can verify the right fitting is on the truck for your job.
If you’re seeing signs of failed duct sealing anywhere in your Atlanta home, call (470) 408-4927 for a free estimate. We’ll walk the system with you, show you exactly what’s leaking and what it costs to fix, and hand you a written price before any work begins. That’s the Relay Standard, and it’s how every job runs.
Written by Omar Haddad, Owner & Lead Technician, Cardinal Air Duct Atlanta at Cardinal Air Duct Atlanta, serving Atlanta and nearby areas.