Sweep & inspection
Caps & crowns
Flue relining
Masonry repair
Gas fireplace serviceLevel 1 sweep and inspection to the NFPA 211 annual standard - flue, crown, cap, and flashing checked and photographed
Chimney sweep logs do not sweep chimneys. They loosen some creosote - which then falls where a brush and vacuum still have to collect it.
HeatShield Chimney Cleaning in Keller, TX | Hadley Chimney Fort Worth
We provide independent Chimney Sweep - Keller services and HeatShield repair across Keller, and the one thing that separates our HeatShield work here is simple: we know which 1990s-era prefab systems in this city were built with HeatShield coatings, and we check for the specific failures Keller’s hard water and humidity cause. We are not manufacturer-affiliated or authorized, but our crews work on HeatShield Cerfractory and joint repair systems every week. Call (682) 900-6393 for a free estimate.
Why Keller Residents Choose Us for HeatShield Service
HeatShield is a ceramic refractory coating applied inside flue liners to seal cracks and prevent flue gas leakage. It’s good material when the flue is sound. The problem is that too many HeatShield repairs in Keller were done years ago, and the underlying metal flue has since rusted or shifted. We know what that looks like because we pull camera inspections on these systems constantly. Cory Mitchell, our owner, spent nearly two decades working inside fireboxes and flue systems across the country before bringing that experience to Fort Worth. He still explains creosote, flaking ceramic, and rusted dampers in plain language before any brush touches your chimney. When we service a HeatShield system in Keller, we’re not guessing. We’re looking at the actual coating condition, the metal behind it, and the chase top above it. That’s the difference between a cleaning that lasts and a repair that fails again in two winters. If you’re in a Keller home with a builder-installed fireplace that’s never been camera-inspected, call (682) 900-6393.
Styles & brands we work with





Common HeatShield Chimney Cleaning Problems We Solve in Keller
- Flaking Cerfractory above the firebox. HeatShield Cerfractory can spall or flake when it was applied over a metal flue that had hidden rust, and Keller’s humidity cycles make that rust worse. We see this constantly in Hidden Lakes and Marshall Ridge homes where gas logs run with the damper half-closed. We grind out the loose material and re-coat with HeatShield joint repair compound.
- Hairline cracks opening up in freeze-thaw winters. Keller gets occasional ice storms, and when temperatures swing, the refractory surface expands and contracts at a different rate than the steel flue behind it. Hairline cracks open, moisture reaches the original metal liner, and corrosion accelerates. We seal those cracks before they become smoke leaks into the chase.
- Joint repair material failing at prefab seams. HeatShield joint repair is only as good as the seam it’s covering. In Keller homes with prefab flues, thermal expansion shifts the flue sections slightly. We find joints where the repair material cracked along the seam line because the sections moved after the repair. We re-prep and re-seal those seams properly.
- Failed patches on warped dampers. We often find HeatShield repairs in Keller homes that look recent but were applied without fixing the underlying warped damper or rusted flue. The new ceramic surface cracks again within two seasons. We won’t patch over a mechanical problem. We fix the damper first, then address the coating.
- Corrosion behind the HeatShield surface from hard water. This one is Keller-specific. The city’s water is exceptionally hard, and condensed flue gases leave mineral-rich scale that pits the metal behind the HeatShield surface. By the time you see flaking on camera, the metal underneath may already be thin. We check for this on every Keller HeatShield inspection.
HeatShield Service in Keller: What Local Conditions Mean for Your Equipment
Keller is one of the few DFW suburbs where original 1990s-era Hidden Lakes homes still have their builder-installed HeatShield-coated prefab chimneys. That’s not a badge of honor, it’s a liability. Because Keller’s water is exceptionally hard, the condensed flue gases that rise off a winter fire leave behind a mineral-rich scale that settles inside the flue. That scale traps moisture against the metal liner and accelerates pitting behind the HeatShield surface. You won’t see it from the firebox. You won’t smell it from the living room. It shows up on a Level 2 camera inspection as flaking Cerfractory with rust streaks behind it. We check for this on every Keller inspection because it’s the failure mode we see most often in this city’s 1990s and 2000s subdivisions. If your Hidden Lakes home still has its original HeatShield coating, have it looked at before the metal behind it rusts through. Call (682) 900-6393.
HeatShield Models & Products We Service in Keller
We service the full HeatShield product line: HeatShield Cerfractory Flue Sealant, the HeatShield Joint Repair System, the HeatShield CeCure Sleeve Relining System, and HeatShield Custom Refractory Panel Repair. Our crews use original HeatShield materials when the flue is structurally sound and the repair falls within the manufacturer’s material spec. When the metal liner is too thin or the prefab unit is rusted through, we tell you straight: a HeatShield patch won’t hold. We offer proven aftermarket refractory products that match performance, or we recommend full relining or replacement. We stock common HeatShield repair materials for fast Keller turnaround, so we’re not waiting on a shipment when your flue is already open. We also handle the services that go hand-in-hand with HeatShield work: Level 2 inspection, chimney waterproofing, and flashing repair. Most Keller HeatShield failures start at the chase top or the flashing, not in the firebox.
See the difference
Before
After
Before
After
Before
AfterHeatShield Service Pricing in Keller
HeatShield chimney cleaning in Keller typically runs between $200 and $350 for a standard prefab fireplace, with camera inspection included. Joint repair work usually lands between $400 and $800 depending on how many seams need treatment. Full Cerfractory re-coating of a deteriorated flue surface can run $1,500 to $3,500, and that’s where you want a free estimate and a written price before anything starts. What drives the cost is the condition of the metal flue behind the coating, how much loose material has to be ground out, and whether the damper or chase top needs repair at the same time. We provide a written price on every job before work begins, and every repair comes with a 365-day written guarantee and a free second visit if the repair fails. Call (682) 900-6393 and we’ll put a camera down your Keller flue and show you exactly what you’re paying for. HeatShield sales & service is our specialty, and Keller is where we see the most preventable failures.
Serving Keller, TX - Our Local Coverage Area
We’re based in the Keller 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 – HeatShield Chimney Cleaning in Keller
Keller’s water is harder than most DFW suburbs, and when flue gases condense inside your chimney, they leave behind mineral scale that traps moisture against the metal flue liner. That moisture accelerates pitting behind the HeatShield Cerfractory surface, which is why we see flaking and spalling on Keller systems sooner than on identical systems in neighboring cities. A camera inspection will show the rust streaks before the coating fails completely. Call (682) 900-6393 to schedule one.
If the metal flue liner is rusted through or paper-thin, HeatShield repair won’t fix it, it will just cover up a structural problem that will keep deteriorating behind the coating. We only recommend HeatShield materials when the flue is sound and the coating failure is the primary issue. If the metal is compromised, we’ll recommend full relining or replacement, and we’ll show you the camera footage so you can see the rust for yourself. Call (682) 900-6393 for a free estimate and a straight answer.
Keller gets occasional ice storms and frequent overnight freezes, and the ceramic refractory surface expands and contracts at a different rate than the steel flue behind it. When the bond between the HeatShield material and the metal is already weak from hidden rust or poor prep, freeze-thaw cycles open hairline cracks that let moisture reach the original liner. That’s why we re-prep the surface thoroughly and check the metal condition before applying any HeatShield material. Call (682) 900-6393 and we’ll explain what we’re looking for.
Yes, and we won’t do HeatShield repair without one. A Level 2 camera inspection shows us the full flue condition, including areas you can’t see from the firebox or the roof. In older Keller homes with masonry chimneys, the original clay tile liner may have cracks that extend well beyond the area where you noticed flaking. We use that camera footage to determine whether HeatShield coating is appropriate or whether a CeCure sleeve relining system makes more sense. Call (682) 900-6393 to book a Level 2 inspection.
On a properly prepped flue in a Keller prefab chimney, HeatShield Cerfractory can last 10 to 15 years with annual cleanings and routine inspections. The problem is that most Keller homes we service had their HeatShield coating applied over a flue that already had hidden corrosion, and that coating fails much sooner. If the surface was properly prepped, the damper works, and the chase top doesn’t leak, you’re in good shape. If not, expect to address it again within a few seasons. Call (682) 900-6393 and we’ll tell you honestly what to expect from your specific system.
Service Areas Near Keller
Hadley Chimney Fort Worth serves Keller and the surrounding communities, including Keller service area coverage that reaches into Hidden Lakes, Marshall Ridge, and the older 1970s and 1980s sections near Bear Creek Park. We also provide HeatShield service in Mansfield and HeatShield service in Fort Worth, plus Saginaw and Colleyville. If you’re anywhere in northeast Tarrant County, we can get a truck to you.
Book Your HeatShield Service in Keller Today
Last month our tech pulled a Level 2 camera inspection on a HeatShield-lined prefab in Hidden Lakes and found flaking Cerfractory just above the firebox where the homeowner had run gas logs with the damper half-closed. We ground out the loose material, re-coated the seam with HeatShield joint repair, waterproofed the chase top, and replaced a rusted cap. The homeowner saw the before and after photos, and they were glad we caught it before the flue rusted through. That’s how we work in Keller. Call (682) 900-6393 today for a free estimate, and we’ll show you what’s actually happening inside your chimney.
Written by Cory Mitchell, Owner at Hadley Chimney Fort Worth, serving Keller since 2003.