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 Hornsby Bend
Most duct repair calls we take from Hornsby Bend aren’t about gradual wear. They’re about what happened after water got in, and whether the system can be saved. Duct repair and sealing in Hornsby Bend typically runs $340-$890 for standard flex-duct or metal-duct repairs, with full replacement of saturated fiberglass duct board ranging $1,200-$2,400 depending on the home’s layout. We’re based out of our Austin office and dispatch crews to Hornsby Bend daily - the drive down FM 969 or US 183 puts us at most homes within the hour. Call (737) 259-5752 for a written estimate before any work starts.
We’ve been working the Colorado River bottomland long enough to know that Hornsby Bend duct systems fail differently than those in drier west-side neighborhoods. The humidity here is measurable. The organic residue from the biosolids plant is real. And when a summer storm pushes water into a crawl space or under a manufactured home, the question isn’t just “can you fix it?” - it’s “can this ductwork be documented as repairable, or does it need replacement for your insurer to cover it?” That’s the gap our Duct Repair & Sealing team closes on every Hornsby Bend job.
Why CleanRun Air Duct Cleaning Round Rock Is Hornsby Bend’s Preferred Duct Repair & Sealing Company
We’ve completed work in Hornsby Bend since 2013, from the older farmhouses off Kieke Road to manufactured homes on private lots near the river. Our crews know the area’s housing stock - the 1970s-1990s builds with fiberglass duct board, the single-wides with kinked flex-duct runs, the rural estates with metal trunks that have been patched more than once. That familiarity means we spot failure patterns faster and quote more accurately on the first visit.
Our reviews from Hornsby Bend customers consistently cite the photo documentation. One homeowner on Blue Bluff Road wrote that our crew’s moisture readings and before-and-after images got her insurance claim approved after a spring flood saturated her return plenum. Another near the intersection of FM 969 and Hornsby Bend Road noted that we found unsealed connections his previous cleaner had missed entirely - connections that were pulling outdoor air and that fine dark organic residue directly into his air handler.
Dispatch from our Austin office means we can typically schedule Hornsby Bend appointments within 24-48 hours, sometimes same-week depending on season. More importantly, every crew arrives with the H.A.V.E.N. Standard in effect: background-checked, uniformed, identified by name before arrival, and equipped to document everything in writing and in photographs.
Our Duct Repair & Sealing Services in Hornsby Bend
Duct Sealing
Unsealed duct joints in Hornsby Bend pull in more than just attic air. They draw that bioorganic aerosol load from the biosolids plant, river-bottom dust, and the persistent humidity that sits heavier here than in Round Rock or Brushy Creek. We seal with mastic sealant and mechanical fasteners, not tape that degrades in heat. A typical duct sealing job in Hornsby Bend runs $380-$650 for a single-system home, with written pricing delivered before we open the first register. Haven Standard Clause 1: the price you agree to is the price you pay.
Flex Duct Repair
Flex duct in Hornsby Bend’s older manufactured homes takes a beating. The humidity cycles of the floodplain soften the wire helix, kinks develop at tight bends, and connections pull apart where the plastic collar meets the trunk. Our crew was called to a 1988 single-wide manufactured home on Kieke Road after the homeowner noticed a musty smell from the registers following a summer storm. A camera inspection showed standing water had wicked up the flex-duct runs and the older fiberglass duct board had delaminated, so we isolated the affected trunk with negative pressure, removed the saturated sections, and replaced them with sealed R-8 flex duct secured with mastic - documenting each moisture reading and photo for the owner’s insurance claim. When the system was back online, the supply and return ducts held steady airflow and the odor was gone. Flex duct repair in Hornsby Bend typically runs $290-$580 per run, with full replacement of multiple runs ranging higher.
Metal Duct Repair
The farmhouses and rural estates scattered through Hornsby Bend often have galvanized metal trunks from the 1970s and 1980s. These corrode at seams, separate at joints, and develop pinhole leaks that pull unfiltered air from crawl spaces. We repair with sheet metal patches, seal with mastic, and reinforce with mechanical fasteners. Metal duct repair in Hornsby Bend runs $340-$720 depending on accessibility and the extent of corrosion. Every repair is photographed before and after, with moisture readings noted where water intrusion is suspected.
Duct Insulation
Insulation in Hornsby Bend ductwork faces a tougher environment than most of Travis County. The Colorado River bottomland’s elevated humidity means fiberglass wrap absorbs moisture, compresses, and loses R-value. Worse, wet insulation against a metal trunk accelerates corrosion and becomes a mold substrate. We replace compromised insulation with closed-cell or properly sleeved fiberglass products rated for high-humidity zones, sealed at all seams. Duct insulation work in Hornsby Bend typically runs $450-$890 for a standard system. The documentation includes thermal images where insulation gaps are found, so you can see the difference, not just hear about it.
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 Hornsby Bend
Our equipment roster includes Rotobrush for mechanical agitation in duct runs, Nikro for negative-pressure extraction systems, and Honeywell media filters and air-cleaning components we install when the existing filtration is inadequate for Hornsby Bend’s particulate load. We stock common flex-duct diameters, mastic sealant, and R-8 insulation sleeves locally, so most Hornsby Bend repairs don’t wait on parts. If your system uses Aprilaire or Guardsman components, we service and replace those as well - no need to coordinate multiple contractors.
Common Duct Repair & Sealing Problems We See in Hornsby Bend Homes
- Flex-duct connections pulling apart in manufactured homes. The humidity cycles of the floodplain soften vinyl and plastic collars over time. Connections that were hand-tightened during original installation separate, creating gaps that pull outdoor air - and that distinctive Hornsby Bend organic residue - straight into the living space. We find this on roughly half the manufactured-home calls we take east of FM 969.
- Fiberglass duct board delaminating in 1970s-1990s farmhouses. The material absorbs moisture from the wet Colorado River bottomland microclimate, the fiberglass surface separates from the resin binder, and the resulting void becomes a mold reservoir. Standard cleaning can’t restore structural integrity once delamination starts. Replacement with sealed flex or metal is the only documented fix.
- Unsealed joints acting as lint and debris pathways. In undersized duct systems common to older Hornsby Bend builds, gaps at joints create pressure differentials that pull biosolids-plant aerosols and river-dust directly into the air handler. The blower motor and evaporator coil clog prematurely, and the homeowner pays for HVAC repairs that trace back to duct leakage.
- Post-flood saturation requiring documented assessment. After water intrusion - whether from river rise, storm runoff, or crawl space flooding - the question is always: cleanable or replaceable? We photograph moisture readings, material condition, and contamination extent so your insurer has evidence, not opinion. This documentation has supported Hornsby Bend homeowners through claims that were initially denied for lack of proof.
Pricing for Duct Repair & Sealing in Hornsby Bend, TX
We publish ranges because Haven Standard Clause 1 requires a written price before any work starts. Here’s what duct repair and sealing costs in Hornsby Bend’s market:
| Service | Typical Range in Hornsby Bend |
|---|---|
| Duct sealing (single system, mastic) | $380 - $650 |
| Flex duct repair (per run) | $290 - $580 |
| Metal duct repair (seam/joint) | $340 - $720 |
| Duct insulation replacement | $450 - $890 |
| Fiberglass duct board replacement (saturated) | $1,200 - $2,400 |
| Full system assessment with photo documentation | $0 (included with repair quote) |
Factors that move the number: accessibility (crawl space vs. attic), material type (flex vs. metal vs. duct board), and whether water damage documentation is needed for insurance. We don’t do per-vent pricing - it’s a shell game that hides the true cost. One flat price per system, agreed in writing, before we touch a single panel. Free estimates. Free second opinion on any competitor’s written quote. Call (737) 259-5752.
We Also Serve Cities Near Hornsby Bend
Our crews work daily across eastern Travis County and into Williamson County. If you’re in Hornsby Bend proper or in nearby Round Rock, Brushy Creek, Wells Branch, or Pflugerville, the same written pricing, photo documentation, and 365-Day Done Right Promise applies. Dispatch is coordinated from our Austin office; crews carry the full equipment roster and brand-authorized parts for same-day resolution on most standard repairs.
Serving Hornsby Bend, TX - Our Local Coverage Area
We’re based in the Hornsby Bend 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 Hornsby Bend
It depends on the material and the contamination level. Fiberglass duct board that has absorbed floodwater is almost always replaceable - the material delaminates and becomes a mold reservoir that cleaning cannot restore. Metal ducts with surface water can often be cleaned, dried, and resealed if the damage is documented within 48-72 hours. Flex duct is case-by-case: if water wicked only a short distance and the inner liner is intact, we can isolate and replace affected sections rather than the full run. We make the determination with moisture meters, borescope cameras, and photographs that your insurer can review. Call (737) 259-5752 for a free assessment.
Every flood-related call gets a structured photo record: moisture-content readings at multiple points along each duct run, borescope images showing material condition inside the trunk, thermal images where insulation is compromised, and a written scope of work with line-item pricing. We timestamp everything and deliver it as a PDF job record before we leave. This is the same documentation standard we’ve held since 2013, and it’s why Hornsby Bend homeowners have successfully appealed initial claim denials. The 365-Day Done Right Promise backs the work itself; the documentation backs your claim.
Hornsby Bend’s biosolids-adjacent location means your return-air system processes a higher load of fine organic particulates than west-side Austin neighborhoods. The dark, fine-grained residue our technicians find coating return grilles here is a combination of biosolids-plant aerosols and Colorado River bottomland dust. It smells faintly of organic matter and passes through standard filters faster than typical household dust. Sealing leaky duct joints - especially in older manufactured homes with unsealed connections - reduces the infiltration of this outdoor load and extends filter life measurably. Most Hornsby Bend homeowners we seal for report 30-50% longer filter intervals.
It’s evidence that your system is pulling unfiltered outdoor air through gaps in the ductwork. The residue itself isn’t typically a structural problem, but its presence signals leakage that worsens over time. In Hornsby Bend specifically, that leakage pulls in the bioorganic load that accelerates contamination inside the ducts and strains your air handler. We treat it as a diagnostic indicator: we pressure-test the system, locate the leaks, and seal them with mastic. If the residue has been building for years, we also inspect for downstream damage - corroded metal, degraded flex, or saturated insulation that the leakage has masked.
Yes, often significantly. The musty smell in Hornsby Bend manufactured homes typically comes from two sources: moisture-laden outdoor air entering through unsealed connections, and the bioorganic particulate load that air carries. Sealing with mastic closes the infiltration points, which stops the moisture source and reduces the particulate intake. In homes where flex-duct connections have pulled apart entirely, the improvement is immediate and noticeable. We document the before-and-after with photos of the sealed joints and, where requested, air-handler filter images showing reduced debris loading. Call (737) 259-5752 for a written estimate - the assessment is free, and the documentation is included.
Ready to get your Hornsby Bend duct system assessed, repaired, and documented? Call CleanRun Air Duct Cleaning Round Rock at (737) 259-5752. We’ll deliver a written price before any work starts, photograph every duct run before and after, and back the job with our 365-Day Done Right Promise. No per-vent games. No call-for-pricing runaround. Just documented work you can verify.
Written by Tomas Reyes, Owner at CleanRun Air Duct Cleaning Round Rock, serving Hornsby Bend since 2013.