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 Dallas, TX | Flint Chimney Co Dallas
We provide independent HeatShield chimney cleaning and repair across Dallas, and we’re not manufacturer-affiliated. What makes our HeatShield work different here is simple: we know the same squirrels and wasps that chew through standard Dallas chimney caps also destroy the cerfractory foam underneath. If your HeatShield surface is failing, we’ll show you the exact cause and put the fix in writing before we start. Call (361) 492-4099 for a free estimate.
Hank Delano runs our crew, and he learned the trade at Los Angeles Trade-Technical College before spending close to two decades on roofs and in flues. HeatShield cerfractory foam has its own failure patterns, especially in Dallas’s climate, and knowing the difference between a bad application and a bad substrate is what keeps us from selling work you don’t need. We service every HeatShield product line across the metroplex. For broader coverage, see our Dallas service area.
Why Dallas Residents Choose Us for HeatShield Service
Flint Chimney Co Dallas has been part of the Garrison Partners family since 2002, and every job we run follows The Garrison Code and The Garrison Standard: a written price before any tool comes off the truck, background-checked uniformed technicians, and a 365-Day Done Right Promise on every repair we perform. If a covered HeatShield repair fails within one full year, we return at no charge. No argument.
We stock genuine HeatShield cerfractory foam and activator kits locally for fast Dallas turnaround, and we don’t substitute aftermarket masonry sealers. The two-part chemistry is not interchangeable. Hank’s signature move is a thorough Chimney Inspection - Dallas with a camera before recommending any resurfacing or joint repair, because cerfractory failure is often a symptom of a cap or moisture problem that has to be fixed first. As Hank says, “If the flue’s clear, I’ll tell you. If it’s not, I’ll show you exactly why.”
For the full picture on how we approach HeatShield work region-wide, see our HeatShield sales & service page.
Styles & brands we work with





Common HeatShield Chimney Cleaning Problems We Solve in Dallas
- Cerfractory foam delamination from original clay tile. Dallas summers run hot and humid, and chimneys here often sit unused for months. Moisture gets trapped between the HeatShield surface and the original tile, especially on shaded lots with mature oak and pecan canopy. We see the foam lifting in sheets on homes that skipped a proper moisture barrier before the first application.
- Joint failure at the firebox-to-flue transition on prefab metal chimneys. This shows up regularly in Preston Hollow. Squirrels chew through galvanized caps, nesting debris holds condensation against the HeatShield surface, and the joints crack under repeated heating and cooling cycles.
- Pinholing and efflorescence bleed-through on south-facing brick veneer. Dallas gets enough freeze-thaw cycling in January and February to crack a thin or poorly bonded HeatShield application. The tell is white mineral staining bleeding through the brick face, which means water is driving through the cerfractory itself.
- Improper HeatShield thickness over spalling brick in 1980s Lake Highlands fireplaces. Decorative masonry fireplaces are common in this neighborhood, and spalled brick under a too-thin cerfractory layer lets flue gas leak at the smoke shelf. We catch this on camera during Level 2 inspections before recommending a resurface.
- Wasp and bird nesting inside unused flues. This is more of a Dallas-wide condition than a HeatShield-specific defect, but it matters because nests hold moisture directly against cerfractory foam. A cap repair is almost always part of our HeatShield service call.
HeatShield Service in Dallas: What Local Conditions Mean for Your Equipment
Here’s the Dallas fact that shapes how we handle HeatShield work in this city. The same 1970s through 1990s brick-veneer tract homes that got early HeatShield applications also tend to have factory-built metal chimneys with galvanized caps. Squirrels chew through standard galvanized mesh within two seasons, and in neighborhoods like Preston Hollow and Lake Highlands, the mature oak and pecan canopy means any torn cap becomes a nesting site almost immediately. A HeatShield touch-up job here almost always starts with a cap replacement, because if you resurface the flue without fixing the cap, you’re re-cracking the cerfractory within a year.
Our tech pulled a HeatShield joint repair on a 1987 brick-veneer fireplace off Preston Road in North Dallas after a Level 2 inspection showed cerfractory foam crumbling at the smoke shelf. A squirrel had torn open the original galvanized cap, and six months of nesting material held moisture against the flue, causing pinholes and back-puffing. We removed the debris, rebuilt the joint with genuine HeatShield cerfractory, and installed a stainless cap with half-inch mesh. The customer hasn’t seen a wasp or squirrel since.
HeatShield Models & Products We Service in Dallas
We work on the full HeatShield line: the Cerfractory Flue Sealant, the Joint Repair System, the Resurfacing System, and the ChimneySaver Water Repellent. For sealant and resurfacing jobs we use genuine HeatShield cerfractory foam and the matching activator kit. Aftermarket masonry sealers are not a substitute, and we won’t pretend they are.
On repair-vs-replace calls, we resurface when the original clay flue tile is intact but cracked. When the liner has collapsed beyond a stable substrate, we recommend full HeatShield joint repair plus a stainless cap. Level 2 inspection, Chimney Sweep - Dallas, and chimney waterproofing are the three services we emphasize for HeatShield owners in Dallas because that’s what the local conditions actually demand.
See the difference
Before
After
Before
After
Before
AfterHeatShield Service Pricing in Dallas
| Service | Typical Dallas Price Range |
|---|---|
| Chimney sweep (standard, clean flue) | $180 – $340 |
| Level 2 camera inspection | $250 – $450 |
| HeatShield joint repair | $750 – $1,600 depending on flue length and access |
| HeatShield full resurfacing | $1,900 – $3,800 depending on liner condition and number of flues |
| Stainless cap replacement (pest-proof, half-inch mesh) | $140 – $310 installed |
What drives the cost is flue length, roof access, and whether we’re doing a spot joint repair or a full resurface. Every HeatShield job in Dallas gets a written price before work starts. The estimate includes the camera inspection, so you see the damage on screen and know exactly what you’re approving. Call (361) 492-4099 for a free estimate.
Serving Dallas, TX - Our Local Coverage Area
We’re based in the Dallas 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 Dallas
It holds up when the cap is intact and moisture isn’t trapped against the surface. Dallas’s humid summers and long idle stretches mean cerfractory foam absorbs moisture that a working cap would have kept out. We routinely see foam delamination on chimneys that sat unused through a wet spring before a squirrel or wasp nest blocked the flue. Call (361) 492-4099 and we’ll camera the flue to see if your HeatShield is still bonded.
Usually yes, if the underlying metal liner is still sound. Peeling on a prefab chimney in Preston Hollow most often starts with a squirrel-chewed cap that let nesting debris hold condensation against the HeatShield. We’ll rebuild the joints with genuine cerfractory and replace the cap with stainless half-inch mesh. If the metal liner itself is rusted through, resurfacing won’t fix it, and we’ll tell you that plainly.
Joint failure at the firebox-to-flue transition on factory-built metal chimneys. The 1990s tract stock in Dallas went heavy on prefab fireplaces, and the caps that shipped with many of those units used galvanized mesh. Once a squirrel gets through, debris sits at the smoke shelf and the HeatShield joint cracks under moisture and heat cycling. Call (361) 492-4099 for a quoted repair.
HeatShield resurfacing fixes the flue, not the brick face. Spalling brick is a masonry repair issue. HeatShield cerfractory is designed to seal and smooth the inside of the flue, not to rebuild the exterior brick. In Lake Highlands and other Dallas neighborhoods with decorative masonry fireplaces, we’ll usually recommend HeatShield for the flue and a separate masonry repair for the exterior.
Yes, HeatShield cerfractory is rated for gas flue applications, and we do this regularly in Dallas. Gas flues in older brick-veneer homes can crack from moisture and thermal cycling even without heavy use, and the cerfractory seals those gaps. A Level 2 inspection will confirm the liner condition before we quote the job.
Service Areas Near Dallas
We serve Dallas, Irving, Carrollton, Lakewood, Highland Park, and Duncanville. For HeatShield work in Irving specifically, see HeatShield service in Irving. If you’re closer to Carrollton, our HeatShield service in Carrollton page covers that side of the metroplex.
Book Your HeatShield Service in Dallas Today
Call (361) 492-4099 and a live person answers, day or night. We’ll schedule your HeatShield inspection, put the price in writing before any work starts, and back every repair with the 365-Day Done Right Promise. Free estimates, written guarantees, and straight answers.
Written by Hank Delano, Owner at Flint Chimney Co Dallas, serving Dallas since 2002.