Fast, Reliable Duct Repair & Sealing Across Roanoke
Duct repair and sealing in Roanoke, TX typically runs $280-$650 for most residential jobs, with same-day service available when you call before noon. We’re Bellows Air Duct & Vent Co. of Texas, and we’ve been driving out to Roanoke from our Houston headquarters for over 42 years to fix ductwork that North Texas heat and construction dust have pushed past its limits. Homes in Fairway Ranch, the neighborhoods along TX-114, and the newer builds near the Alliance corridor all sit within our service radius, and our technicians usually arrive within a few hours of your call. If your upstairs rooms won’t cool, your energy bill keeps climbing, or you’re smelling dust every time the AC kicks on, we’re the ones to call at (866) 347-2063.
Why Bellows Air Duct & Vent Co. of Texas Is Roanoke’s Preferred Duct Repair & Sealing Company
We’ve built our name in Roanoke by showing up when we say we will and leaving camera proof of every job. Our Duct Repair & Sealing team carries Rotobrush and Nikro equipment on every truck, and we inspect your ductwork with a video camera before we touch a tool and again before we leave. That footage goes to you, not just to us.
Roanoke homeowners know the difference between a company that answers the phone and one that doesn’t. We answer ours 24 hours a day, every day, with a live person at the other end - no voicemail tree, no callback tomorrow. Our technicians are background-checked and uniformed, and most repairs are finished in a single visit. Wade Kellerman, who leads Bellows, started this company in 1984 on the principle that the price you hear on the phone should be the price on the invoice. That hasn’t changed.
Our 90-Day Done Right Promise covers every Roanoke job in writing: if something isn’t right, we come back and make it right with no paperwork and no arguing. We’ve honored that promise for four decades. We also offer a permanent 5% discount to seniors and veterans, free second opinions on any written estimate you’ve received, and $50 off any repair over $250.
Our Duct Repair & Sealing Services in Roanoke
Duct Sealing
Roanoke’s newer homes were built fast during the 2005-2020 boom, and builder-grade duct sealing was often tape-only at the plenum and register boots. That tape dries out in North Texas attic heat within three to five years. We seal with mastic sealant, a brush-applied compound that hardens into a permanent, flexible bond rated for temperature swings past 140°F. In homes near the Alliance corridor, we pay special attention to return-air pathways that can pull in diesel particulates and construction dust - sealing those leaks keeps industrial contaminants outside where they belong.
Flex Duct Repair
The flex duct running through Roanoke attics is typically R-6 or R-8 insulation wrapped around a plastic inner liner, supported by a wire coil. We’ve replaced hundreds of collapsed sections in Fairway Ranch and the communities off Denton Highway where the original install left too much slack or too tight a bend. A crushed flex duct can cut airflow to a room by 40% or more. We measure static pressure before and after repair to verify the fix, and we support new runs with proper strapping so they don’t sag again.
Metal Duct Repair
Older metal trunk lines in Roanoke’s early-2000s builds, and the galvanized transitions in newer two-system homes, develop seam separations and rust spots where condensation collects. We patch small breaches with galvanized sheet metal and seal with mastic, or replace damaged sections when the metal is too far gone. Every metal repair gets inspected with our camera system - you’ll see the before and after yourself.
Duct Insulation
North Texas attics hit 150°F in July. Uninsulated or poorly insulated ductwork bleeds cooled air into that oven before it ever reaches your vents. We wrap repaired and new duct sections with R-8 insulation minimum, and we upgrade existing R-6 runs where the original wrap has compressed or torn. In Roanoke’s two-story homes with long attic runs, this upgrade often pays for itself in a single summer.
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.
Trusted Brands We Service in Roanoke
We stock parts and materials from Honeywell, Aprilaire, and Rotobrush on our service trucks, which means most Roanoke repairs don’t wait for a parts run. Honeywell zone dampers and Aprilaire media air cleaners integrate directly with the duct systems we repair, and Rotobrush agitation tools let us clean contamination out of repaired sections before we seal them back up. If your home has a specific component - a Nikro HEPA vacuum collar, an Aprilaire dehumidifier tied into the return - our technicians recognize it and carry the right fittings. No guessing. No return trips for a $3 part.
Common Duct Repair & Sealing Problems We See in Roanoke Homes
- Builder-grade flex duct pulls loose at plenum connections. The high static pressure from oversized cooling units common in North Texas creates constant strain on taped joints. Within three to five years, the tape fails and cooled air dumps into your attic or crawlspace. We find this in Fairway Ranch homes built 2010-2018 almost weekly.
- Undersized return ducts starve the system. During Roanoke’s building boom, cost-cutting meant sizing returns for the bare minimum code requirement. The result is freeze-ups, compressor strain, and rooms that never reach temperature. We measure actual CFM against manufacturer specs and enlarge returns where needed.
- Unsealed attic runs pull in Alliance corridor particulates. Homes near Roanoke’s western edge, especially those built while adjacent parcels were still being mass-graded, often have return leaks that draw in diesel exhaust and clay dust. Sealing these isn’t just about efficiency - it’s about what you’re breathing.
- Buried drywall dust from original construction. Because so many Roanoke homes were framed and ducted during active construction phases, fine drywall compound and cellulose insulation baked onto duct interiors before owners moved in. Standard builder handoff cleanings rarely address this layer. We agitate and extract it before sealing, so you’re not recirculating 15-year-old construction debris.
We recently sealed and repaired ductwork in a Fairway Ranch home where builder-grade flex duct had pulled loose at the plenum, dumping cooled air into the crawlspace. The homeowner’s smart thermostat showed a 5°F temp swing between floors - after reconnecting with mastic sealant and adding R-8 insulation wrap around the exposed metal trunk, the system balanced perfectly and their spring cooling bill dropped noticeably.
Pricing for Duct Repair & Sealing in Roanoke, TX
Here’s what duct repair and sealing costs in Roanoke’s market right now:
- Duct sealing with mastic (typical single-system home): $280-$450
- Flex duct section repair or replacement: $180-$340 per run
- Metal duct patch or section replacement: $220-$480
- Duct insulation upgrade (R-6 to R-8 wrap): $150-$290 per run
- Full system inspection with camera documentation: $89-$140
- Return duct enlargement: $340-$650
What moves you within these ranges? Accessibility matters - tight attics in two-story homes take longer. The extent of contamination affects whether we need to clean before sealing. And multi-system homes simply have more ductwork to inspect. We show you the exact price before we start, every time. No bait coupons, no price changes at the door. Call (866) 347-2063 for a free estimate - we’ll give you a real number you can plan around.
We Also Serve Cities Near Roanoke
Our service area extends to Trophy Club, Southlake, Keller, and Lantana, with the same response standards and upfront pricing we bring to Roanoke. If you’re in a neighboring community and found this page, we cover your ZIP too - just call and we’ll confirm drive time.
Serving Roanoke, TX - Our Local Coverage Area
We’re based in the Roanoke 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 Roanoke
Yes. Homes built during Roanoke’s 2005-2020 construction boom commonly used tape-only sealing at plenum connections, and that tape fails within three to five years in North Texas attic heat. We inspect with a camera, reseal with mastic, and verify airflow balance before we leave. Call (866) 347-2063 for a free estimate - we’ll show you exactly what’s failed and what it costs to fix it right.
Yes, if your return ductwork has leaks in attic runs. Homes near Roanoke’s western edge, built while Alliance parcels were still being graded, often have return-side breaches that pull in diesel particulates and clay dust. Sealing those leaks with mastic creates a closed system that draws only from your conditioned spaces. We test with a smoke pencil to find every leak, then seal and verify. Call (866) 347-2063 - estimates are free.
In Roanoke, you need both. Sealing stops air loss at joints and breaches; insulation stops thermal loss through the duct wall itself. North Texas attics exceed 150°F in summer, and uninsulated metal or flex duct bleeds cooled air at 10-15% per 100 feet. We use R-8 minimum on every repair. Call (866) 347-2063 and we’ll assess what your specific attic runs need.
Repair alone won’t remove existing contamination. We clean with Rotobrush agitation and HEPA extraction before sealing, so you’re not trapping dust inside a newly airtight system. For Roanoke homes with post-construction debris, we recommend the combined service. Call (866) 347-2063 for pricing on clean-and-seal packages.
Yes. A 4°F swing is a classic symptom of duct leakage or disconnected runs, especially in Roanoke’s two-story homes with long attic trunk lines. We measure airflow at each register and compare to design CFM. Most imbalances trace to one or two fixable leaks. Call (866) 347-2063 - we’ll diagnose it with a camera and give you an upfront price to balance it out.
Written by Wade Kellerman, Owner at Bellows Air Duct & Vent Co. of Texas, serving Roanoke since 1984.