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 New Braunfels, TX | Kindling Chimney San Antonio
We provide independent HeatShield chimney cleaning and sealant application across New Braunfels, from the limestone stacks in Gruene to prefab units in Meyer Ranch. What makes our work here different is simple: we understand that New Braunfels chimneys built from locally quarried Cretaceous limestone behave nothing like the brick flues you’ll find 30 miles south. That’s why every HeatShield job starts with a Chimney Inspection - New Braunfels using Level 2 camera technology, so you see the flue condition before we recommend anything. Call (361) 491-3153 and we’ll walk through what your chimney actually needs.
HeatShield’s Cerfractory sealant is a remarkable product, but it’s only as good as the surface it bonds to. Around New Braunfels, that surface is often soft, porous limestone that has spent decades absorbing Hill Country humidity. We’ve applied Cerfractory to hundreds of local flues, and we stock OEM HeatShield materials in our San Antonio shop so New Braunfels homeowners aren’t waiting on a shipment from Indiana. Danny Cortes, our owner, started his trade fundamentals at Los Angeles Trade-Technical College and has spent close to two decades working chimneys across the Southwest. He still sketches flue conditions in a small notebook on every job, so you’re never taking someone’s word without seeing it for yourself.
For the full range of HeatShield sales & service options, including joint repair and CeCure sleeving, we’re your independent crew serving New Braunfels service area homes all year.
Why New Braunfels Residents Choose Us for HeatShield Service
HeatShield isn’t a product you want applied by someone who skimmed a training video. The Cerfractory sealant, the Joint Repair System, the CeCure sleeves, Eco-Fix parging, all of it requires an understanding of how the material cures under specific temperature and humidity conditions. New Braunfels sits in a humid subtropical zone, which means spring applications behave differently than fall applications. We schedule around that.
Our technicians are background-checked, arrive in uniform, and follow the C.A.R.E. values on every visit: shoe covers and drop cloths go down before anything else, nothing gets moved without asking, and we photograph the clean-up before leaving. If you’ve got kids asleep or a nervous dog, quiet tools and pet-safe products are standard where there’s a choice. And every job we do is covered by the 365-Day Done Right Promise. If the work isn’t right, we make it right, no fine print, no runaround.
Danny grew up in Los Angeles and has spent years serving San Antonio families, from ranch-style homes in Alamo Heights to older properties near the Pearl. The same careful approach applies here in New Braunfels: he’ll show you exactly what the camera sees before he picks up a single brush.
Styles & brands we work with
Common HeatShield Chimney Cleaning Problems We Solve in New Braunfels
These are the issues we see most often on HeatShield-treated or HeatShield-candidate chimneys in New Braunfels:
- Spalled clay tile joints from Hill Country freezes. When a February cold snap hits, moisture inside clay tile liners freezes and expands, cracking the mortar joints. HeatShield’s Joint Repair System bridges those gaps before any sealant goes on. In older New Braunfels chimneys, we routinely find joints that have spalled a quarter-inch or more.
- Cerfractory pinholes and bubbles from spring humidity. Cerfractory cures best in low-humidity air. Apply it during a muggy New Braunfels spring and you risk pinholes that let flue gases through. We check the forecast carefully and schedule applications for dry windows, usually in late fall or early winter.
- Warped chase covers on prefab units in Meyer Ranch. Intense summer heat on those newer subdivisions warps the metal chase cover, letting rainwater drip onto the HeatShield-treated flue below. The water erodes the sealant prematurely. We address the chase cover first, then assess whether the flue needs re-sealing.
- Guano-etching on uncapped limestone chimneys in Gruene. Without a proper cap, Gruene’s historic chimneys become nesting sites for chimney swifts and bats. Their droppings are acidic enough to chemically etch a HeatShield surface over time. We clean aggressively before re-sealing, and recommend a cap to make the work last.
- Rock-hard creosote from oak and mesquite fires. Hill Country oak burns hot but leaves a dense, glassy creosote that’s harder to remove than pine soot. On older masonry fireplaces without liners, that creosote bonds directly to the limestone you’re about to seal. Thorough removal is step one, every time.
HeatShield Service in New Braunfels: What Local Conditions Mean for Your Equipment
Here’s something you won’t find on a generic HeatShield page: New Braunfels is one of only a handful of Texas cities where chimneys were built from locally quarried Cretaceous limestone. That stone is softer and more porous than the Austin chalk you’ll find up the road, which means it absorbs and releases humidity on a constant cycle. When you apply HeatShield’s Cerfractory sealant to a flue without first repointing the surrounding mortar, the limestone keeps shifting as it breathes, and the sealant cracks right along with it. That’s why we don’t seal limestone chimneys in Gruene or downtown New Braunfels until we’ve done a deep mortar repointing. The sequence matters more than the product. The product is excellent. But limestone calls the shots around here.
Our tech scraped a half-inch of rock-hard creosote from a 1920s limestone chimney on Gruene Road, then found the clay tile liner had a 3-foot vertical crack from a February freeze. We repointed the surrounding mortar with a lime-based mix, let it cure for five days in the dry fall air, and then applied HeatShield’s Cerfractory sealant in two passes. That homeowner now runs oak fires without smoke backing into the parlor. The fix lasted because the prep was done right for this specific stone, this specific climate.
HeatShield Models & Products We Service in New Braunfels
We work with the full HeatShield product line: the Cerfractory Flue Sealant in standard 1/4″ or 1/2″ applications, the Joint Repair System for clay tile mortar joints, the CeCure Sleeve Relining System for severely damaged flues, and Eco-Fix for residential smoke chamber parging. We use OEM HeatShield materials exclusively. Aftermarket refractory products do not bond correctly to existing liners and fail to meet UL 1777 standards. When a flue tile is spalled beyond 1/4″ depth, more sealant isn’t the answer. A CeCure sleeve or full reline is. We keep common HeatShield materials stocked locally so most New Braunfels jobs don’t wait on parts. Where we stock HeatShield, we also carry DuraFlex, Gelco, Olympia Chimney, Famco, and Copperfield products, because the right fix isn’t always a single brand.
See the difference
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AfterHeatShield Service Pricing in New Braunfels
Most standard Chimney Sweep - New Braunfels services run between $189 and $289, depending on flue condition and creosote stage. Creosote removal for heavy oak-fire buildup can add $75 to $150 if it’s stage two or three. A Level 2 camera inspection, which we include before any HeatShield application, runs $149 to $249 on its own. HeatShield Cerfractory sealant application typically ranges from $1,800 to $2,800 for a standard single flue, while joint repair or Eco-Fix parging falls in the $400 to $900 range. CeCure sleeving starts around $2,600 and goes up based on flue height and access. Every estimate includes a written price before any work starts, no on-the-spot pressure. Call (361) 491-3153 and we’ll give you an exact number for your New Braunfels chimney.
Serving New Braunfels, TX - Our Local Coverage Area
We’re based in the New Braunfels 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 New Braunfels
HeatShield holds up well on limestone chimneys in Gruene, but only after the surrounding mortar has been repointed. The Cretaceous limestone there is porous and shifts with humidity, so sealant applied without repointing will crack within a season or two. We do the mortar work first, let it cure in dry weather, then apply Cerfractory in two passes. Done that way, you’ll get years of reliable service. Call (361) 491-3153 if you have a Gruene chimney that’s never been sealed and you want to know where it stands.
HeatShield itself doesn’t fix a warped chase cover. The warped metal is a structural issue that needs a replacement or repair before any flue sealing happens. If rainwater has already reached the HeatShield-treated flue and eroded the sealant, we’ll address the cover, then re-assess the flue and re-seal if needed. Many Meyer Ranch homes have chase covers that warp within five to seven years of Texas summer heat. Call (361) 491-3153 for a free assessment.
Yes. Creosote must be fully removed before any Cerfractory goes on. Oak and mesquite fires in New Braunfels produce a dense, glassy creosote that resists ordinary brushing. We use rotary cleaning heads and hand scraping where needed. If the creosote isn’t gone, the sealant bonds to the creosote rather than the flue wall, and the whole job fails. Most heavy oak-fire cleans add $75 to $150 to the sweep cost in New Braunfels. Call (361) 491-3153 and we’ll tell you what stage your creosote is at.
HeatShield’s Cerfractory sealant is designed to last 20 to 25 years under normal conditions, but New Braunfels freeze-thaw cycles test any sealant. The key is proper surface prep and application in low-humidity weather. Applied correctly on a repointed flue, you should see two decades of service. Applied on shifting limestone in spring humidity, you might see cracking within three years. That’s why we’re picky about when and how we apply it. Call (361) 491-3153 to schedule a Level 2 inspection and we’ll tell you honestly whether your flue is ready for sealing.
Humidity affects the curing process. Cerfractory cures best in dry air. When ambient humidity is high, like most New Braunfels springs, the sealant can develop pinholes and bubbles as moisture gets trapped during curing. Those pinholes defeat the purpose of a flue sealant. We schedule most HeatShield applications for late fall and early winter, when Hill Country air is dry and the stone has had time to shed summer moisture. Call (361) 491-3153 and we’ll check the seasonal forecast against the condition of your flue.
Service Areas Near New Braunfels
Our crew also serves San Antonio, where we offer full HeatShield service in San Antonio, plus Converse, where you can find HeatShield service in Converse. We regularly work in Live Oak, Helotes, and Fair Oaks Ranch as well. If you’re anywhere in the I-35 corridor between San Antonio and New Braunfels, we’ll come take a look.
Book Your HeatShield Service in New Braunfels Today
A clean flue is the quietest safety feature in your home, let’s make sure yours is doing its job. Call (361) 491-3153 for a free New Braunfels estimate. We’ll schedule the inspection, show you the camera footage, and give you a written price before anything gets signed. No pressure, no surprises.
Written by Danny Cortes, Owner at Kindling Chimney San Antonio, serving New Braunfels and the surrounding Hill Country.