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 The Hills, TX | Oakgrove Chimney Sweep
HeatShield chimney cleaning in The Hills typically runs $180 to $340 for a standard sweep and inspection, and we’re usually booked out about a week during fall and spring. Oakgrove Chimney Sweep is an independent HeatShield service provider serving all of The Hills (78738), not a manufacturer affiliate, which means we inspect and maintain HeatShield-surfaced flues without any pressure to sell you a product you don’t need. What separates our work here is simple: we know what live-oak debris and caliche dust do to a HeatShield surface, because we’ve pulled both out of caps and smoke shelves in this community for years. Call (866) 472-2513 for a free estimate.
Why The Hills Residents Choose Us for HeatShield Service
Most chimney companies in the Austin area can sweep a flue. Few can tell you whether the HeatShield Cerfractory Flue Sealant on your liner is still holding up, or whether that hairline crack behind the coating is from normal thermal cycling or from caliche grit working its way in. Our owner, Glen Whitaker, learned the diagnostic side of this trade through Austin Community College’s construction program and has been cleaning and inspecting chimneys in the northwest Austin suburbs for going on eighteen years. He’s the one who shows up at your door, and he’s the one who reads the flue. That matters when you’ve invested in a HeatShield resurfacing and want an honest assessment of what it needs.
We’re HeatShield sales & service specialists, meaning we install, inspect, and maintain the full product line: the Resurfacing System, the 2000 Insulation Mix, Cerfractory Flue Sealant, and Fireplace Insert Adapters. We stock OEM materials locally, which keeps turnaround tight for The Hills jobs. And because we’re chimney repair contractors first, not a cleaning franchise, we can fix what we find instead of handing you a referral slip.
Styles & brands we work with





Common HeatShield Chimney Cleaning Problems We Solve in The Hills
- Glazed creosote masking liner cracks. The Hills sits under a dense live-oak canopy. After a windy spring, we routinely find acorn caps and oak leaves packed into smoke shelves. That organic debris mixes with creosote and hardens into a glaze that can hide developing cracks in the HeatShield surface. We remove the glaze first, then camera-inspect what’s underneath. You can’t evaluate a liner you can’t see.
- Caliche dust causing coating delamination. Clay-tile liners in older custom homes from the 1980s and 1990s often develop hairline cracks. Fine caliche dust from The Hills’ calcareous soils infiltrates behind the HeatShield coating, and after a few heating seasons, that coating can bubble or peel. This is a local failure mode, not a product defect. We identify it early and repair the damaged section before it spreads.
- Overfired first-of-season burns. Hill Country cold snaps are sudden. A homeowner fires up the fireplace after months of disuse, and that first intense burn can overfire a thin HeatShield layer, causing spalling or flaking in the firebox and lower flue. We see this every winter in The Hills. The fix is usually a targeted HeatShield repair, but it has to be caught before the underlying masonry takes damage.
- Multi-flue draft imbalance. The Hills is full of large custom homes with two, sometimes three flues in a single stacked-stone chimney. Uneven draft across flues means the low-draft flue stays damp longer after each burn. HeatShield coatings in that damp flue degrade faster. We check draft balance during every inspection and flag flues that need cap or damper correction.
- Blocked caps and smoke shelves from spring winds. After a windy March, caps on tall chimneys in The Hills fill with live-oak leaves, twigs, and acorn caps. That debris restricts draft, pulls smoke back into the house, and accelerates creosote buildup on HeatShield surfaces. A cap screen upgrade solves most of it. A sweep fixes the rest.
HeatShield Service in The Hills: What Local Conditions Mean for Your Equipment
Here’s the thing about The Hills that doesn’t apply the same way in Bee Cave or Lakeway. This community isn’t just heavily wooded; it sits on caliche, a hard, calcium-rich soil that breaks down into fine, abrasive dust. Every wind event, every passing car on a limestone road, every dry summer day throws that grit into the air. When it settles on your chimney cap and mixes with the pollen from the cedar and live-oak canopy, it forms a paste that gets pulled down into the flue with each burn. If you have a HeatShield-surfaced liner, that grit acts like fine sandpaper against the Cerfractory surface. Over time, it thins the coating in high-wear areas, especially near the smoke shelf where airflow concentrates. In neighboring communities like HeatShield in Briarcliff with fewer oaks and less caliche exposure, this is a non-issue. Here, it’s the reason we recommend a camera inspection at least every other sweep. Glen’s crew has pulled enough caliche paste out of caps on The Hills’ tall chimneys to know exactly what it does to a resurfaced flue.
HeatShield Models & Products We Service in The Hills
We install and service the complete HeatShield line: the Resurfacing System for restoring aging masonry flues, Cerfractory Flue Sealant for spot repairs and joint sealing, HeatShield 2000 Insulation Mix for larger flue relining jobs, and the Fireplace Insert Adapter for wood-burning inserts vented through existing chimneys. Our parts approach is straightforward. We use OEM HeatShield materials on every resurfacing job because adhesion and thermal performance depend on the chemistry being right. For caps and dampers, we stock Gelco and Famco components that often outperform OEM equivalents and fit the tall, multi-flue stonework common across The Hills. We don’t substitute hardware-store parts on a HeatShield job. Your flue is a combustion system, and the materials matter.
See the difference
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AfterHeatShield Service Pricing in The Hills
A standard HeatShield chimney cleaning and Level 1 inspection in The Hills runs $180 to $340, depending on flue height, accessibility, and how much debris has accumulated since the last sweep. If we’re pulling a full cap’s worth of live-oak leaves and acorn caps plus glazed creosote, expect the higher end. A camera inspection (Level 2) adds $150 to $250 and is worth it if you haven’t had one in a few years. HeatShield resurfacing repairs are quoted per job after we see the damage; a small patch repair is a fraction of a full reline. Every estimate includes a written report and photo documentation of what we found. Call (866) 472-2513 and we’ll give you a firm number before any work begins. A clean flue isn’t a luxury, it’s just what a working fireplace requires.
Serving The Hills, TX — Our Local Coverage Area
We’re based in the The Hills area and know this community well, and we also provide HeatShield service in Barton Creek. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – HeatShield Chimney Cleaning in The Hills
Yes, HeatShield resurfacing performs well in tall masonry chimneys, provided the crown and cap are in good shape and the flue is protected from the caliche grit and leaf debris that are constant here in The Hills. The product itself handles thermal cycling fine. The local factors that shorten its life are moisture intrusion from cracked crowns and abrasive dust infiltration, both of which we address during installation and routine maintenance.
Even with light use, we recommend an annual cleaning in The Hills. The live-oak canopy drops leaves, acorn caps, and pollen into your cap and smoke shelf whether you burn or not, and that debris blocks draft and traps creosote against the HeatShield surface. Light seasonal burning is actually a risk factor here: sudden cold-snap fires burn hot and fast, which stresses a flue that has sat damp and dusty for months. Call (866) 472-2513 to schedule a sweep before burning season.
HeatShield is a ceramic-based resurfacing system applied over existing flue walls to restore them to a smooth, insulated, fire-resistant condition. Traditional clay-tile liners are rigid sections stacked during original construction. Clay tiles crack with age and thermal shock, especially in The Hills’ custom homes built in the 1980s and 1990s. HeatShield seals those cracks and creates a continuous flue surface without the cost and demolition of a full liner replacement.
Yes, third-degree glazed creosote can be removed from a HeatShield surface, but it requires rotary cleaning tools and a careful hand. We never use aggressive scraping or chemical caustics that could damage the Cerfractory coating. Our techs work the glaze off slowly, then camera-inspect the surface underneath to confirm the coating is intact. If the glaze was the result of repeated overfiring, we’ll tell you plainly and discuss whether a repair or burn-practice change is the right fix.
We do. We stock Gelco cap systems with fine-mesh screening sized for The Hills’ debris profile, meaning they keep acorn caps and live-oak leaves out while still allowing proper draft. The standard caps on many older custom homes here have mesh gaps wide enough to let spring debris through. A cap upgrade is one of the most cost-effective protective measures you can take for a HeatShield-surfaced flue. Call us for a cap assessment and we’ll show you what’s falling into your flue.
Service Areas Near The Hills
We service The Hills and surrounding Hill Country communities, including Bee Cave, Lakeway, West Lake Hills, and Steiner Ranch. If you’re in a neighboring area with similar oak canopy and caliche soil conditions, we bring the same HeatShield expertise. For homeowners east of Austin, see HeatShield service in Wyldwood and HeatShield service in Hornsby Bend. Our full coverage area is listed on our The Hills service area page.
Book Your HeatShield Service in The Hills Today
If your HeatShield-surfaced flue hasn’t been inspected this year, now is the time, before the first cold snap hits and every fireplace in The Hills gets lit for the first time in months. Call (866) 472-2513 for a free estimate. We’ll schedule your sweep, inspect the coating, and tell you exactly what your flue needs. You get to see it with your own eyes.
Written by Glen Whitaker, Owner at Oakgrove Chimney Sweep, serving The Hills since 2007.