Fast, Reliable Duct Repair & Sealing Across Dickinson
Duct repair and sealing in Dickinson typically runs $180–$650 depending on whether we’re patching a flex duct separation or resealing an entire metal trunk line, and most jobs we can schedule within 24–48 hours. We’re familiar with the specific headaches Dickinson homeowners face — from sagging attic flex duct in 1970s ranch homes off FM 517 to contaminated metal seams in post-Harvey rebuilds near Dickinson Bayou. If your vents are blowing weak, your energy bills have climbed, or you smell must every time the AC kicks on, call (855) 683-5929 for a free estimate.
Our Duct Repair & Sealing team works the full Dickinson area, including homes around 77539, along Hughes Road, and out toward the acreage properties between FM 517 and the bayou. We’ve been driving these roads for two decades. We know which neighborhoods got four feet of water in 2017 and which slab-on-grade ranches still have original ductwork that should’ve been replaced years ago.
Why Lone Star Air Duct Cleaning Service Houston Is Dickinson’s Preferred Duct Repair & Sealing Company
Owner Scott Gray leads every job personally — two decades of hands-on experience, not a rotating crew of trainees. Dickinson homeowners get the most experienced technician in the company, period. That matters when we’re crawling through a 120-degree attic off Hughes Road to track down a flex duct that’s separated from the plenum, or when we’re diagnosing why a workshop’s AC can’t keep up despite a new compressor.
Our reputation is built on specifics: 433 customers, 4.9 stars across verified reviews. Dickinson property managers and homeowners call us back because we document what we find — photos of the separated duct, readings of the before-and-after airflow — and we fix it in one trip. No “we’ll come back with parts.” We stock flex duct, mastic, Aprilaire insulation wrap, and metal repair sleeves on every truck.
Response time to Dickinson is typically same-day or next-day. We’re not dispatching from Clear Lake or Pasadena — we know the route down I-45, the backup through FM 646, and which ranch properties have quarter-mile drives that require a call-ahead. That local routing knowledge saves you a no-show or a late arrival.
Here’s what separates us in Dickinson specifically: we understand post-flood duct contamination. After Hurricane Harvey, remediation crews replaced drywall and flooring while leaving mold-colonized ductwork untouched in hundreds of Dickinson homes. We’ve opened metal trunk lines near Dickinson Bayou that looked clean outside but were lined with silty, dark residue — dried bayou backflow that had been recirculating for six years. Homeowners had no idea because the system “seemed to work fine.” We find it because we look.
Our Duct Repair & Sealing Services in Dickinson
Duct Sealing
Leaky ductwork in Dickinson’s humid climate is like paying to air-condition your attic. We seal joints, plenum connections, and trunk line seams with professional-grade mastic sealant — not tape that’ll peel in a season. In Dickinson specifically, we see original mastic washed out by Harvey or Ike floodwater, leaving metal seams exposed to draw in hot, humid attic air. A typical duct sealing job in Dickinson runs $280–$480 for a single-system home. We pressure-test after to prove the seal.
Flex Duct Repair
Dickinson’s 1970s–1990s ranch homes are full of attic-mounted flex duct that’s sagging, crushed, or separated at the collar. The coastal humidity doesn’t help — that flex insulation soaks up condensation, gets heavy, and pulls apart at the plenum. We replace damaged sections with new insulated flex, support it properly so it doesn’t sag again, and seal every connection. Flex duct repair in Dickinson typically costs $180–$340 per run. We recently repaired a flex duct in a home off Hughes Road where the homeowner had been losing 30% airflow to a collapsed section over the master bedroom.
Metal Duct Repair
Metal duct in Dickinson’s older homes and commercial workshops corrodes from the inside out when floodwater residue sits in the seams. We cut out corroded sections, fabricate replacement pieces, and seal with mastic rated for metal-to-metal joints. Post-Harvey and post-Ike metal duct is a specialty — we’ve found gritty sludge in seams that re-entrains every time the blower cycles. Metal duct repair in Dickinson runs $320–$650 depending on accessibility and extent of corrosion.
Duct Insulation
Uninsulated or degraded duct insulation in Dickinson means condensation, mold, and energy waste — especially on the long runs to detached workshops where the attic isn’t conditioned. We re-wrap with Aprilaire insulation rated for coastal humidity, sealed at every seam. Proper insulation pays for itself in a Galveston County summer when your AC runs ten months a year. Duct insulation in Dickinson typically runs $2.50–$4.00 per linear foot for wrap application.
Mastic Sealant Application
Mastic is the only sealant we trust for Dickinson’s conditions — tape fails, but brush-applied mastic stays flexible and airtight through humidity swings and minor vibration. We apply it to every joint, seam, and collar connection. On workshop jobs between FM 517 and Dickinson Bayou, we’ve used mastic to seal duct that’s shaken loose by heavy-duty equipment vibration. It’s messy, slow work, but it’s the only way to get a lasting seal.
Air Leak Repair
We pressure-test duct systems to find leaks you can’t see — a disconnected return in a hot attic, a cracked plenum pulling in fiberglass and dust. In Dickinson’s older housing stock, we regularly find return leaks that are pressurizing the attic and depressurizing the living space, which draws in humid outside air through every crack. We fix the leak, verify with a second test, and show you the numbers.
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 Dickinson
We stock parts and materials for the brands Dickinson homeowners actually have: Honeywell media air cleaners and zone dampers, Aprilaire insulation wrap and whole-home humidifier components, and Rotobrush rotary brush systems for pre-repair cleaning when ducts are coated with debris. Our Nikro HEPA vacuums handle the heavy cleanup before we seal anything — no point sealing over silt and mold. We don’t have to order parts and make you wait. That means one trip, one fix, and you’re back to clean airflow.
Common Duct Repair & Sealing Problems We See in Dickinson Homes
- Post-Harvey silt in metal seams: Remediation crews replaced drywall but left ductwork untouched. We open metal trunk lines near Dickinson Bayou and find gritty, dark sludge — dried bayou residue that recirculates every time the blower kicks on. The mastic was washed out; the seams are open.
- Sagging flex duct in unconditioned attics: Dickinson’s slab-on-grade ranches have attic systems where flex duct gets heavy with condensation, pulls off the plenum collar, or crushes under its own weight. We see this weekly in 77539 homes built between 1975 and 1995.
- Corroded metal from Ike and Harvey floodwater: Galvanized duct in low-lying Dickinson neighborhoods sat in contaminated water. The exterior looks fine; the interior is pitted and leaking. We section-repair with matching metal and reseal.
- Workshop duct shaken loose by equipment vibration: Dickinson’s acreage properties with welding rigs, compressors, or heavy-duty garage door openers transmit vibration through the structure. Duct joints and flex connections loosen over time. We secure with proper supports and mastic every joint.
Pricing for Duct Repair & Sealing in Dickinson, TX
Here’s what honest pricing looks like for Dickinson’s market — not “call for a quote” with no numbers:
| Service | Typical Range in Dickinson |
|---|---|
| Flex duct repair (single run) | $180 – $340 |
| Duct sealing (mastic, single system) | $280 – $480 |
| Metal duct section repair | $320 – $650 |
| Duct insulation (wrap, per linear foot) | $2.50 – $4.00 |
| Full system pressure test + leak locate | $150 – $220 |
What moves you within these ranges: attic accessibility (tight trusses take longer), extent of flood damage or corrosion, and whether we’re working in a main home or a detached workshop with longer runs. We don’t upsell. If cleaning solves it, we’ll tell you. If the duct is too far gone to repair economically, we’ll say so. Estimates are free — call (855) 683-5929 and we’ll give you a firm number after looking at your system.
We Also Serve Cities Near Dickinson
Our service radius covers the full Galveston County coastal area. We regularly run duct repair and sealing calls in Bacliff, League City, Santa Fe, and Hitchcock — same owner-led crews, same equipment, same next-day scheduling. If you’re between Dickinson and any of these cities, we’re already driving your roads.
Serving Dickinson, TX — Our Local Coverage Area
We’re based in the Dickinson 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 Dickinson
Yes. We’ve opened ductwork in Dickinson homes that looked clean from the outside but contained dried, silty residue from bayou backflow that had been recirculating for years. Remediation crews focused on visible damage — drywall, flooring — and missed hidden duct contamination. If your home flooded and the ducts weren’t inspected, call (855) 683-5929 for a camera inspection. Estimates are free.
Yes. Dickinson’s acreage properties often have multi-bay detached workshops with longer duct runs and higher airflow demands. We sealed the leaky flex duct in a 3-bay workshop off Hughes Road where the homeowner had been running a welding rig — the sagging ducts were pulling in silty bayou air and dumping it right onto the metal stock. Our crew used mastic sealant on every joint and re-insulated the main trunk with Aprilaire wrap so the AC could actually keep the shop cool during a Galveston County August. Call (855) 683-5929 to schedule.
Duct cleaning removes debris, mold, and buildup from inside the ductwork; duct sealing fixes the leaks that let that debris in and waste your conditioned air. You need sealing if your vents blow weak, your energy bills are high, you smell attic air, or a pressure test shows leakage above 10%. In Dickinson’s humid climate, leaky ducts also pull in moisture that feeds mold growth. We often do both — clean first, then seal so it stays clean. Call (855) 683-5929 for a free evaluation.
Yes, if the corrosion is localized. We cut out pitted sections, fabricate replacement metal, and seal with mastic rated for metal joints. If the corrosion is systemic throughout the trunk line, replacement is more cost-effective. We’ve section-repaired metal duct in Dickinson homes near the bayou where Ike’s surge sat in the crawlspace for days. Call (855) 683-5929 — we’ll inspect and give you an honest assessment.
Signs include weak airflow from some vents, hot rooms that never cool, higher electric bills, or dust blowing from registers. In Dickinson’s 1970s–1990s ranch homes, we find flex duct separated at the plenum collar in roughly one of every three attic inspections — the humidity makes the insulation heavy, and the connection works loose over years of cycling. We can confirm with a camera inspection and airflow test. Call (855) 683-5929 for a free check.
Ready to fix your ductwork? Call Lone Star Air Duct Cleaning Service Houston at (855) 683-5929 for a free estimate in Dickinson. Owner Scott Gray leads every job, and we schedule most repairs within 24–48 hours.
Written by Scott Gray, Owner at Lone Star Air Duct Cleaning Service Houston, serving Dickinson and Galveston County since 2004.