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 Round Rock, TX | Ashby Chimney Austin
We provide independent Chimney Sweep in Round Rock for HeatShield cleaning and repair, and we’ve been doing it since the 2000s building boom put thousands of these systems into local homes. What makes our HeatShield work here different is simple: we’ve seen how Round Rock’s humidity, freeze cycles, and those narrow 2000s-era flues actually stress HeatShield coatings, so we don’t just sweep the flue. We inspect the coating itself, because that’s where Round Rock HeatShield failures start. Call (254) 274-4486 for a free estimate.
Why Round Rock Residents Choose Us for HeatShield Service
HeatShield is a specific product with specific failure patterns, and you want a crew that knows the difference between a flue that just needs cleaning and a flue that’s losing its Cerfractory coating. Our techs work on HeatShield sales & service calls every week. Nathan Corliss, our owner, learned the trade hands-on through the building trades program at Los Angeles Trade-Technical College before building his crew across Central Texas, and he’s been straight with homeowners ever since: if your HeatShield coating is fine, we’ll tell you. If it’s not, we’ll show you the video. We bring genuine HeatShield Cerfractory and joint repair materials on service calls, not whatever was left in the van. And every job gets a written price before we start, plus a written guarantee when we finish.
Styles & brands we work with





Common HeatShield Chimney Cleaning Problems We Solve in Round Rock
- Spalling and flaking of the Cerfractory coating. Round Rock’s hot, humid summers trap moisture behind HeatShield coatings, especially on clay tile liners. Over time the coating delaminates and starts flaking into the flue. We see this most often in homes built before 2010, where the original HeatShield application has been through fifteen or twenty Central Texas summers.
- Cracked or separated HeatShield joints at the smoke chamber. Those rare winter freeze events in Round Rock cause thermal expansion when a rarely used fireplace gets fired up suddenly. The HeatShield joint material cracks, smoke leaks into the chase, and the draft goes wrong. This is a classic 2000s-era tract home problem.
- Abrasion and thinning in prefab metal chimneys. The manufactured fireplaces common in Brushy Creek and Teravista have notoriously narrow flue passages. Repeated mechanical sweeping can wear down HeatShield coating faster than it would in a full masonry chimney. We adjust our brush types and sweeping approach for these systems.
- Nesting debris blocking dampers and corroding the upper flue. Homes backing to greenbelts with heavy tree cover in Round Rock get birds and wasps in the flue. A nest wedged against the damper plate traps moisture against the HeatShield surface, and that’s where corrosion starts. We remove the nest and check the coating underneath.
- Uneven creosote buildup on one side of the flue. Undersized smoke chambers in 2000s-era Round Rock chimneys create uneven draft, so creosote builds heavier on one side. A standard sweep can miss it. A Level 2 video inspection before cleaning catches this before it becomes a chimney fire risk.
HeatShield Service in Round Rock: What Local Conditions Mean for Your Equipment
Here’s the thing about HeatShield in Round Rock that doesn’t show up on a manufacturer spec sheet. The city’s 2000s building boom produced a wave of masonry and prefab fireplaces with shallow smoke chambers and undersized flues. In Teravista and Brushy Creek specifically, many of those flues were HeatShield-lined from the start, and the shallow smoke chamber geometry means creosote accumulates unevenly, often on the left side of the flue where the draft stack effect is weakest. A homeowner in those neighborhoods can have a “clean” chimney on the right side and a quarter-inch of glazed creosote hiding on the left. That’s why our approach to HeatShield cleaning always begins with a Chimney Inspection - Round Rock using video-scan Level 2 before we put a brush in the flue. If we’re going to clean it, we want to see it first. Round Rock’s humidity doesn’t help either, trapped moisture behind the HeatShield coating accelerates delamination during the long hot season, and the homeowner never knows until someone looks. We look every time.
HeatShield Models & Products We Service in Round Rock
We service the full HeatShield product line: the Cerfractory Flue Sealant, the Joint Repair System, the Resurfacing System, and the CeCure Sleeve Relining System. Our crews carry genuine HeatShield Cerfractory and joint repair materials on the truck, so if we find a separated joint or a spalled section during a cleaning, we can often address it the same day. That matters in Round Rock, where the mild winters mean fireplace season is short and nobody wants to wait two weeks for a parts order. When the underlying clay tile or metal flue is compromised beyond what HeatShield patch work can fix, we say so plainly and recommend a CeCure sleeve or full reline instead of repeatedly patching a failing system. We’d rather tell you the truth than sell you a temporary fix.
See the difference
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AfterHeatShield Service Pricing in Round Rock
Most chimney sweeps in the Round Rock area run between $199 and $399 depending on flue type, accessibility, and whether it’s a standard cleaning or a Level 2 inspection with video scan. Add-on HeatShield repairs, like joint sealing or spot resurfacing, typically range from $350 to $900 depending on how much of the flue needs work. A full CeCure sleeve reline is a bigger job, usually $2,500 to $5,000, and we only recommend it when the existing system is genuinely beyond repair. Every estimate includes a written price before any work starts, and the number on the invoice matches the number we quoted at the door. If you want a real number for your specific flue, call (254) 274-4486. Estimates are free.
Serving Round Rock, TX - Our Local Coverage Area
We’re based in the Round Rock 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 Round Rock
High humidity traps moisture behind the HeatShield Cerfractory coating, especially on clay tile liners, and accelerates delamination during the long Round Rock summers. The coating can flake and spall without you ever seeing visible damage from the fireplace opening. The fix is a video inspection to check for delamination before it compromises the flue. If you haven’t had a Level 2 scan in the last few years, call (254) 274-4486 to schedule one.
Yes, but it requires the right brushes and the right pressure. HeatShield Cerfractory is durable, but aggressive mechanical sweeping in narrow prefab flues, which are common in Round Rock’s Brushy Creek and Teravista subdivisions, can thin the coating over time. We choose our brush types based on flue dimensions and coating condition, and we sweep with care, not force. If the coating is already spalling, we’ll tell you before we clean, because sweeping won’t fix it.
That’s a familiar call in Brushy Creek. Homes built during Round Rock’s 2000s boom often have shallow smoke chambers and undersized flues, which create weak draft and uneven creosote buildup. If the HeatShield joints at the smoke chamber transition have separated, which the freeze-thaw cycles make worse, smoke rolls out instead of up. We find this on HeatShield flues with separated joints and nesting debris blocking the damper. A video scan shows exactly what’s going on. Call (254) 274-4486 and we’ll put eyes on it.
It depends on the condition of the underlying flue. If the clay tile or metal flue is structurally sound and the damage is surface-level, we restore it with genuine HeatShield Cerfractory and joint repair materials. If the underlying flue is compromised, we recommend a CeCure sleeve or full reline with professional-grade materials, not another HeatShield patch. We’ll show you the video and explain the difference before you spend a dollar.
Because the creosote in Round Rock’s 2000s-era HeatShield flues doesn’t build evenly. The shallow smoke chambers common in Teravista and Brushy Creek create weak spots in the draft, so creosote accumulates heavier on one side. A standard sweep can miss that hidden buildup entirely. A Level 2 video scan shows the whole flue, including the smoke chamber and the HeatShield coating condition, before we start cleaning. It’s the difference between a clean chimney and one that looks clean. Call (254) 274-4486 to schedule yours.
Service Areas Near Round Rock
We serve Round Rock and the surrounding communities across Central Texas. Alongside our Round Rock service area coverage, our techs handle HeatShield work in HeatShield service in Georgetown, HeatShield service in Austin, plus Kyle, Taylor, and Wells Branch. If you’re not sure whether we cover your street, call and ask. We answer the phone.
Book Your HeatShield Service in Round Rock Today
Say the price first. Explain the work. Put the promise in writing. That’s how Nathan Corliss runs every HeatShield job in Round Rock. Call (254) 274-4486 for a free estimate, and we’ll set a real arrival window, show up, and put the number in writing before we touch your chimney.
Written by Nathan Corliss, Owner at Ashby Chimney Austin, serving Round Rock since 2002.