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.
Fast, Reliable Duct Repair & Sealing Across Grand Prairie
Duct repair and sealing in Grand Prairie typically runs $280-$750 for most homes, with flex-duct reconnection and mastic sealing on a standard slab home landing in the $340-$520 range. Our crews are dispatched from the Dallas-Fort Worth office and carry the equipment to diagnose, photograph, and fix separated duct runs in a single visit. Call (682) 297-4068 for a written estimate before any work starts.
We’ve been pulling register boots in Grand Prairie since 2013. The east-side neighborhoods off Jefferson Avenue, the Belt Line Road corridor, and the older streets near the original downtown core are where we find the same pattern again and again: flex-duct inner liners pulled free of their collars by years of Blackland Prairie clay heave, silently bleeding conditioned air into the attic while the thermostat reads normal. Our Duct Repair & Sealing team documents every separation with before-and-after photos, seals with mastic, and delivers the written scope as a standard job record.
Why CleanRun Air Duct Cleaning Irving Is Grand Prairie’s Preferred Duct Repair & Sealing Company
CleanRun has completed documented duct repair and sealing work in more than 52,000 homes since 2013, and Grand Prairie’s 1970s-1990s slab-on-grade stock represents a significant share of our DFW portfolio. Homeowners here find us because they’re tired of $79 coupon cleanings that leave the real problem - separated duct runs and leaking plenums - untouched.
Our reputation in Grand Prairie is built on what we can show, not what we claim. Every job starts with a written price under Haven Standard Clause 1, and every duct run is photographed before and after. The 365-Day Done Right Promise is backed in writing, not subject to manager approval. Technicians are background-checked and uniformed under Haven Standard Clause 3: Verified Crews, and they’re identified by name before arrival.
Calls are answered by a live person, 24/7. Scheduling to Grand Prairie is coordinated from our Dallas-Fort Worth office with same-week availability typical for non-emergency repair and sealing work. We also offer a Free Second Opinion on any written estimate from a competitor - bring us their number, and we’ll put ours next to it in writing.
Our Duct Repair & Sealing Services in Grand Prairie

Flex Duct Repair
Flex duct is the soft, insulated tubing that connects your air handler’s plenum to each room’s register. In Grand Prairie, it’s also the component most damaged by the Blackland Prairie’s seasonal clay heave. On a 1978 slab home off Jefferson Avenue, our tech pulled a register boot and found the original flex run’s inner liner collapsed and fully detached from the collar - a classic Blackland clay signature - pulling lint-laden attic air straight into the supply. After a camera inspection confirmed three more separated joints at the plenum, we re-secured the runs, sealed the fiberglass duct board with mastic, and restored the static pressure at the air handler. The homeowner had been running the blower motor harder for years without ever knowing why. Flex duct repair in Grand Prairie typically runs $180-$420 per run, depending on attic access and the extent of liner collapse.

Duct Sealing
Duct sealing addresses the gaps and seams where conditioned air escapes before reaching your rooms. In Grand Prairie’s older homes, we seal deteriorated fiberglass duct board plenums from the 1970s-1990s, re-tape failed connections at the air handler, and apply mastic sealant to joints that have worked loose under mechanical stress. The Great Southwest Industrial District along I-30 elevates ambient particulates in surrounding residential neighborhoods, so unsealed return leaks in Grand Prairie don’t just waste energy - they pull measurable industrial dust into the living space. Whole-system duct sealing in Grand Prairie averages $340-$620 for a typical 1,500-2,500 square foot home.

Metal Duct Repair
Older Grand Prairie homes sometimes feature galvanized steel trunk lines with stamped fittings that have corroded or separated at the seams. We repair metal ductwork by re-seaming, patching, or replacing sections as needed, then sealing with mastic rated for metal-to-metal joints. Metal duct repair in Grand Prairie runs $260-$580 depending on accessibility and whether the trunk line runs through a finished ceiling.

Air Leak Repair
Air leak repair targets the specific breaches where your duct system draws unconditioned attic air or loses supply pressure. In Grand Prairie, the most common leaks we find are at plenum seams on original fiberglass duct board, register boots that have pulled away from drywall due to clay-heave stress on the slab, and flex-duct collars that have detached completely. We pressure-test to verify the fix, then photograph the sealed joint for the job record. Air leak repair in Grand Prairie typically falls between $220-$480.

Duct Insulation
When flex-duct outer insulation has degraded in Grand Prairie’s hot attics - where summer temperatures exceed 140°F - we replace or supplement insulation to prevent thermal loss and condensation. Duct insulation work in Grand Prairie runs $280-$650 depending on linear footage and whether the existing vapor barrier is salvageable.

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.
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AfterTrusted Brands We Service in Grand Prairie
CleanRun crews carry professional-grade equipment from trade-recognized brands: Rotobrush for mechanical agitation and camera inspection, Nikro and Abatement Technologies for negative-pressure extraction and containment, and Honeywell and Aprilaire for filtration and zoning components that integrate with repaired duct systems. We stock common flex-duct diameters, mastic sealants, and collar fittings locally, so Grand Prairie repairs don’t wait on parts orders. Every tool and material is named on your written scope before work begins - you can verify specifications independently.
Common Duct Repair & Sealing Problems We See in Grand Prairie Homes

- Flex-duct inner liners collapse or pull free of their fittings as Blackland clay heave stresses slab runs at registers and plenums - especially on east-side homes built between the late 1960s and early 1990s. The separation is invisible from the living space, but the camera shows attic debris blowing straight into the supply stream.
- Original fiberglass duct board plenums from that era deteriorate and separate at seams, leaking conditioned air into attics and pulling industrial-district particulates back through the return. We find these failures most often in the neighborhoods near Jefferson Avenue and the original downtown corridor.
- Neglected MERV-rated filtration lets fine clay dust and road particulate coat duct interiors, masking joint failures and shortening filter life until a camera inspection reveals the actual source. Grand Prairie’s dry north-wind events between cold fronts deposit this debris aggressively.
- Register boots pull away from ceiling drywall as slab movement shifts the framing above, creating visible gaps that bleed attic air and allow insulation fibers to enter the room. The Belt Line Road corridor has dozens of homes with this exact pattern.
Pricing for Duct Repair & Sealing in Grand Prairie, TX
Here’s what duct repair and sealing actually costs in Grand Prairie’s market:
| Service | Typical Range |
|---|---|
| Single flex-duct run repair/reconnection | $180 - $420 |
| Whole-system duct sealing (mastic, tape, collar repair) | $340 - $620 |
| Metal duct trunk line repair | $260 - $580 |
| Air leak repair (pressure-tested, documented) | $220 - $480 |
| Duct insulation replacement/supplement | $280 - $650 |
| Combined repair + sealing package (typical 3-4 bed home) | $480 - $750 |
What moves the number: attic accessibility (crawl vs. walk-in), the number of separated runs, whether the plenum itself needs re-sealing or replacement, and whether we find additional leaks during camera inspection that weren’t visible from the register. Every scope is written and priced before a single panel comes off - Haven Standard Clause 1. No per-vent pricing, no add-ons after the truck arrives. Call (682) 297-4068 for a free estimate with exact numbers for your home.
We Also Serve Cities Near Grand Prairie

Our crews repair and seal ductwork throughout the Dallas-Fort Worth metro, including Euless, Dallas, Grapevine, and Arlington. Scheduling and dispatch are coordinated from our Dallas-Fort Worth office. For homeowners in Grand Prairie specifically, we offer Duct Repair & Sealing in Grand Prairie with local knowledge of the east-side slab-home stock and the clay-heave patterns that affect it.
Serving Grand Prairie, TX - Our Local Coverage Area
We’re based in the Grand Prairie 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 Grand Prairie

The most reliable check is a camera inspection through the register boot, which we perform as part of our standard diagnostic. Warning signs include rooms that never reach set temperature despite good airflow at the grille, a blower motor that runs longer than it used to, or dust accumulation that returns quickly after cleaning. On 1980s slab homes in the Belt Line Road area, we find separated flex-duct collars on roughly sixty percent of first-time inspections - the clay heave has had forty years to work on those connections. Call (682) 297-4068 to schedule a camera inspection; estimates are free.
Two local factors: the Great Southwest Industrial District along I-30 elevates ambient particulates in surrounding residential neighborhoods, and the Blackland Prairie’s dry north-wind events deposit fine clay dust and road particulate between cold fronts. Combined with near-continuous HVAC operation from late April through October, Grand Prairie return-air grilles pull a heavier load than systems in purely residential suburbs. The debris masks joint failures until a camera inspection reveals the actual source. We document this with before-and-after photos on every job.
Most Grand Prairie homes can be cleaned, inspected, and sealed in a single visit if the crew is scheduled for the combined service. If camera inspection reveals unexpected duct damage - collapsed liners, separated plenum seams - we may recommend repair as a follow-up visit to allow proper material curing and pressure testing. Your written scope will specify the schedule before any work starts. Call (682) 297-4068 to discuss timing for your home.
Most Grand Prairie homeowners pay between $340 and $620 for whole-system duct sealing, with combined repair-and-sealing packages for typical 3-4 bedroom homes running $480-$750. Single flex-duct run repairs start around $180. Every price is written and agreed before work begins - Haven Standard Clause 1 - with no per-vent add-ons or post-arrival upsells. Call (682) 297-4068 for an exact quote; estimates are free.
Newer construction near Joe Pool Lake typically has better initial duct integrity, but the same Blackland Prairie clay soils still move seasonally. We find stress-related joint loosening and minor leaks in 2000s builds, though less frequently than in 1970s-1990s stock. A pressure test and camera inspection will show whether your specific home has developed gaps worth sealing. Even modern flex-duct can separate at collars under repeated soil movement. Call (682) 297-4068 to schedule an inspection and get a written scope with exact findings.
Written by Tomas Reyes, Owner at CleanRun Duct Repair & Cleaning, serving Grand Prairie and the Dallas-Fort Worth metro since 2013.




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