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 San Antonio, TX | Hadley Chimney San Antonio
We provide independent Chimney Sweep - San Antonio and HeatShield repair across the area, and the one thing that sets our work apart here is knowing how local soil movement and humidity affect HeatShield ceramic foam liners over time. Most crews can apply the coating; fewer can tell you why it blistered after a single wet spring in Alamo Heights or why hairline cracks showed up two years in near Monte Vista. That local diagnosis is what we bring to every job. Call (254) 276-4116 for a free estimate.
Why San Antonio Residents Choose Us for HeatShield Service
Our techs have installed and repaired more HeatShield cerfractory foam systems in San Antonio than any independent crew, so when something fails we usually know why before we finish the inspection. The HeatShield sales & service work we do spans the full product line, but the real value is translating what the foam, sleeve, or joint repair is doing inside your flue into language that makes sense. Cory Mitchell, owner at Hadley Chimney San Antonio, grew up learning the trade in Los Angeles before spending the better part of two decades cleaning, inspecting, and repairing chimneys across the Southwest, and he built a reputation for texting customers a photo of exactly what he found before quoting a single dollar. See the problem, understand the fix, then decide – that’s how it should work. When you book with us, you get that same direct approach: a written price before any work starts, a live arrival window, and before-and-after photos on every visit.
Styles & brands we work with





Common HeatShield Chimney Cleaning Problems We Solve in San Antonio
- Hairline cracking in Cerfractory foam near older central neighborhoods. Homes in Monte Vista and similar pre-war districts sit on expansive clay that shifts with seasonal moisture changes. That movement stresses the chimney structure, and within two years a HeatShield coating can develop fine cracks where the flue flexes. We identify the affected sections and recoat before water gets behind the foam.
- Top collar corrosion on CeCure sleeves in Hill Country stone chimneys. North of Loop 1604, freeze-thaw cycles trap moisture against the stainless alloy collar. The foam liner below can look fine while the collar quietly corrodes. We inspect that junction specifically on every stone chimney we service in that area.
- Spalling foam after wind-driven thunderstorms. San Antonio storms push rain sideways, and if the crown or cap wasn’t sealed properly before a HeatShield application, water penetrates behind the resurfacing. The foam spalls in patches during the first heavy rain season. We fix the seal, remove the loose material, and recoat.
- Etched foam surface from occasional low-temperature burning. Many San Antonio fireplaces are decorative, used a handful of times each winter. Those short, low-temperature fires produce acidic creosote that etches the ceramic foam surface, reducing its insulating effectiveness over two or three mild winters. Cleaning and a light recoat restores performance.
- Pinprick blistering from groundwater wicking. In areas over the Edwards Aquifer recharge zone, porous limestone can wick groundwater upward into masonry. HeatShield foam applied without resolving that sub-surface moisture develops tiny blisters within a single wet spring. This is a condition we rarely see east of the Balcones Escarpment.
HeatShield Service in San Antonio: What Local Conditions Mean for Your Equipment
San Antonio’s Edwards Aquifer recharge zone changes how HeatShield foam behaves compared to almost anywhere else in Texas. Homes in Alamo Heights and surrounding areas sit on highly porous limestone that can wick groundwater upward into chimney masonry. Apply HeatShield Cerfractory foam on a chimney with unresolved sub-surface moisture, and the coating will develop pinprick blistering within a single wet spring as trapped water vapor pushes against the foam from behind. We see this routinely in Alamo Heights, Olmos Park, and Terrell Hills, and it’s a failure pattern that doesn’t show up in cities east of the Balcones Escarpment where the geology shifts. Before we apply or repair any HeatShield system in these neighborhoods, we check the masonry moisture content and address drainage or waterproofing first. Skip that step and the new foam fails the same way the old foam did.
Then there’s the divide between the Hill Country stone chimneys north of Loop 1604 and the brick chimneys in the flat southern half of the city. Freeze-thaw cycles in the Hill Country create hidden voids inside stone masonry that hold moisture against a CeCure sleeve’s top collar, causing corrosion even when a Level 2 camera scan shows the foam liner itself looking intact. Meanwhile, central San Antonio homes deal with a different problem: clay-rich soils that shift with every wet-dry cycle, cracking mortar joints and stressing chimney structures. If you own a HeatShield-coated chimney in Monte Vista or King William, you’re fighting soil movement. If you’re north of 1604 in Timberwood Park or Selma, you’re fighting freeze-thaw moisture. We service both, but our Chimney Repair in San Antonio uses a different approach for each.
HeatShield Models & Products We Service in San Antonio
We service the full HeatShield product line across San Antonio. The HeatShield Cerfractory Foam system is applied via SpinCast or HandCast method to resurface deteriorated flue walls. The HeatShield CeCure Sleeve is a stainless steel alloy flue lining for more severe structural damage. The HeatShield Joint Repair System addresses mortar joint erosion between flue tiles. We use genuine HeatShield components sourced directly from the manufacturer whenever possible, because aftermarket foam mixes do not bond reliably with the existing substrate. We stock common HeatShield repair materials locally for faster turnaround on San Antonio jobs, and we only recommend a full CeCure sleeve replacement when the original ceramic foam has eroded more than 50% through the flue wall. Otherwise we repair the affected section and recoat.
See the difference
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After
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AfterHeatShield Service Pricing in San Antonio
HeatShield cleaning and inspection in San Antonio typically runs $180 to $340 depending on flue condition, accessibility, and whether we’re also doing a Level 2 camera scan. A full Cerfractory foam resurfacing generally falls between $2,500 and $5,500, while a CeCure sleeve installation for severely damaged liners typically starts around $4,000 and can run to $8,000 or more depending on flue height and access difficulty. What drives the cost is how much preparation the existing flue needs before new material goes in: older San Antonio chimneys with eroded joints, moisture damage, or shifted masonry take more prep work. Your free estimate includes a camera inspection and photo report so you can see exactly what we’re recommending and why. Call (254) 276-4116 for an exact quote on your HeatShield system.
Serving San Antonio, TX - Our Local Coverage Area
We’re based in the San Antonio 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 San Antonio
Yes, but not before those voids are addressed. Freeze-thaw cycles in Hill Country stone chimneys create hidden cavities that trap moisture, and applying ceramic foam over them just seals moisture inside the masonry. We inspect for voids first, fill and stabilize them, then apply HeatShield foam. Skipping that step is why some Hill Country liners fail within a couple of winters. Call (254) 276-4116 and we’ll run a Level 2 camera scan to check for voids before recommending any coating.
Yes, it does. Low-temperature, occasional fires produce acidic creosote that etches the surface of HeatShield ceramic foam, reducing its insulating effectiveness over two or three mild winters. This is common in San Antonio’s newer subdivisions where fireplaces are mostly decorative. The fix is removing the creosote during a routine cleaning and recoating the etched sections before the damage deepens. Call (254) 276-4116 to schedule a cleaning and we’ll tell you whether your foam needs a recoat.
That white chalky staining is usually efflorescence, meaning water is getting behind the HeatShield coating and moving through the masonry. It doesn’t always mean the foam has failed yet, but it does mean water intrusion is active, and if left unchecked the coating will spall in patches. In San Antonio, wind-driven thunderstorms push rain sideways and exploit any gap in the crown or cap. We trace the water entry point, seal it, and repair any de-bonded foam. Call (254) 276-4116 for an inspection.
Sleeves generally hold up longer than foam, but in San Antonio we recommend a camera inspection of the top collar annually if you’re in the Hill Country freeze-thaw zone, and every two years elsewhere in the city. The collar is the failure point here, not the sleeve body. A quick Level 2 scan catches corrosion before it compromises the liner. For foam systems, annual inspection after the first two years is the safer interval given how San Antonio’s clay soils and humidity affect ceramic coatings.
Yes. Blistering in Alamo Heights usually means groundwater wicked up through the porous limestone under the chimney, and the original installer didn’t resolve the sub-surface moisture before applying the foam. We remove the blistered sections, address the moisture source with drainage correction or waterproofing, then recoat with genuine HeatShield Cerfractory material. You don’t need a full replacement just because another company’s prep work missed something. Call (254) 276-4116 for an assessment.
Service Areas Near San Antonio
We provide HeatShield chimney cleaning and repair throughout the San Antonio service area, including HeatShield service in Selma, HeatShield service in Timberwood Park, Kirby, Floresville, and Terrell Hills. If you’re within driving distance of San Antonio proper, chances are we already work your neighborhood.
Book Your HeatShield Service in San Antonio Today
Call (254) 276-4116 to schedule HeatShield chimney cleaning or repair in San Antonio. A live person answers around the clock, and your estimate includes a camera inspection, a written price, and photos of everything we find before any work begins.
Written by Cory Mitchell, Owner at Hadley Chimney San Antonio, serving San Antonio since 2003.