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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Before
AfterGuardsman Duct Repair & Sealing in Pearland: What to Know First
We provide independent Guardsman duct repair and sealing in Pearland, typically completing jobs in one scheduled visit with a written price delivered before any panel comes off. Most Guardsman systems we see in Pearland homes fall between $340 and $780 for duct sealing or flex duct repair, depending on whether the damage is isolated to a single run or spans multiple trunk lines. This page is for homeowners who have found a Guardsman label on their plenum, register boot, or flex duct and need to know whether the work can be done without replacing the whole system. Call (346) 253-1822 for a free estimate with a written price before work starts.
How Guardsman Products Fail - and How We Fix Them
- Guardsman Flex Series collapse at the sag point. The Flex Series 25 and 35 lines use a wire-helix core with a thinner mylar jacket than competing brands. In Pearland’s attic heat, the jacket degrades faster at low points where condensation pools, causing the helix to kink and restrict airflow. We cut back to sound duct, install a support strap every four feet per manufacturer guidance, and sleeve the repair with a matching R-6 or R-8 flex section.
- Guardsman Metal Line register boots separate from drywall. The Metal Line 100 and 200 series use a lighter-gauge steel boot that flexes more than Trane or Carrier equivalents during seasonal expansion. The mastic sealant cracks at the boot-to-drywall joint, pulling conditioned air into the wall cavity. We remove the old boot, reseat with a reinforced collar, and seal with fresh mastic rated for the temperature swing Pearland attics see from July to January.
- Guardsman Plenum Series seams open at the corner gores. The Plenum Series 400 and 500 use a folded-corner construction that concentrates stress at the gore seams. When the HVAC cycles on and off in Pearland’s humid shoulder seasons, thermal movement works the seam tape loose. We open the seam, clean the old adhesive with solvent, and reseal with foil-backed tape plus a brush coat of mastic for a permanent repair that preserves the original plenum.
- Guardsman Insulated Duct jacket delamination. The Insulated Duct line wraps fiberglass around a flex core with a vapor barrier jacket. In Pearland’s coastal humidity, the jacket adhesive fails from the inside out, letting fiberglass shed into the airstream while the R-value drops. We replace the affected run rather than patch it, because partial repairs leave exposed fiberglass that the blower will carry into the house.
- Guardsman Snap-Lock trunk line leaks at the drive cleat. The Snap-Lock system relies on a friction fit at the longitudinal seam, held by a drive cleat. Vibration from the air handler works the cleat loose over time, especially on longer runs common in Silverlake and Shadow Creek Ranch builds from 2015 to 2020. We reset the cleat, add a screw at each end for mechanical backup, and seal the full seam with mastic.
Our Guardsman Duct Repair & Sealing Process
- 1
Camera inspection of every run. We feed a borescope through each duct run and photograph the full length. The camera goes in first. Then we talk.
- 2
Written scope and price. We deliver a written price for the exact work needed, with no per-vent add-ons or trip charges. Haven Standard Clause 1: the price is fixed before work starts.
- 3
Parts decision: OEM or quality aftermarket. For Guardsman flex duct, we stock R-6 and R-8 replacement in the original diameter. For metal components, we source matching gauge steel or fabricate on-site if the OEM lead time exceeds what the job warrants.
- 4
Repair and seal. We execute the repair, support flex runs to manufacturer span limits, and seal all joints with mastic or foil tape as appropriate for the material and temperature exposure.
- 5
Pressure test and photo record. We verify sealed-system performance, then photograph every repaired run for the documented photo record delivered with the invoice.
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Written guarantee. The 365-Day Done Right Promise goes on the invoice before we leave. If the seal fails or the repair loosens, we make it right.
BeforeAfterWhat Guardsman Duct Repair & Sealing Costs in Pearland
| Scenario | Typical Range |
|---|---|
| Single flex duct run repair/replacement | $340 - $520 |
| Register boot reseat and seal (1-2 boots) | $280 - $410 |
| Plenum seam repair with mastic and tape | $380 - $590 |
| Multi-run sealing with full system test | $620 - $780 |
| Insulated duct run replacement | $450 - $680 |
What moves the price: accessibility (crawl space versus attic), the number of affected runs, and whether the original Guardsman components are still in production or require custom fabrication. We do not quote per-vent prices. Every estimate is free, every price is written, and every job includes the documented photo record. Call (346) 253-1822 for your exact number.
Why Pearland Homeowners Call CleanRun Air Duct Cleaning Pearland for Guardsman Work
We have pulled inspection cameras through Guardsman ductwork in Pearland since 2013, including the flex-heavy builds near Silverlake where original installs from the mid-2010s are now showing the predictable failure patterns we listed above. Our crew knows the difference between a Metal Line 100 boot and a Carrier equivalent without reading the label twice. The 365-Day Done Right Promise is backed in writing on every invoice, not stated in marketing copy and forgotten. Haven Standard Clause 3 means every technician is background-checked, uniformed, and identified by name before arrival. We also service Lennox, Trane, and Carrier systems, so if your home has mixed-brand ductwork, we do not need a second contractor. The photo record from every visit is yours to keep, and the price is fixed before work starts. No exceptions.
FAQs
Guardsman’s product warranty covers manufacturing defects, not field repairs. As an independent Guardsman service provider, we use repair methods that do not damage original components, so any remaining manufacturing coverage stays intact. If your system is still under original warranty, we document our work so you have a clear record if a defect claim arises later. Call (346) 253-1822 if you need help reading your warranty terms.
We stock common Guardsman flex diameters and boot sizes. For discontinued Metal Line or Plenum Series components, we fabricate equivalent repairs from matching-gauge materials or source quality aftermarket that meets the same pressure and temperature ratings. We tell you which path we are taking before work starts, and the written price reflects the actual part cost.
Replace when the insulation jacket is delaminating, when multiple runs show collapse or tear, or when repair costs exceed 60 percent of full replacement. Repair when the failure is isolated to one or two runs, the plenum is sound, and the rest of the system tests within design airflow. We show you the camera footage and give you both numbers in writing.
Most single-run repairs or sealing jobs finish in three to five hours. Multi-run work or plenum repairs may extend to a full day. We schedule by the job, not by the hour, so the crew stays until the pressure test passes and the photo record is complete.
Sealed ductwork can reduce HVAC runtime by 15 to 30 percent in homes with significant leakage, but the exact savings depend on how much air was escaping and how hard your system was working to compensate. We measure static pressure before and after so you have a documented baseline and result, not a promise.
Written by Tomas Reyes, Owner, CleanRun Air Duct Cleaning Pearland at CleanRun Air Duct Cleaning Pearland, serving Pearland and nearby areas.