Level 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.
Fast, Reliable Chimney Repair Across Flower Mound
Chimney repair in Flower Mound typically runs $350-$2,800 depending on whether you’re addressing corroded prefab firebox panels, chase-top leaks, or full chase rebuilds. Most Flower Mound homes built between 1990 and 2010 contain factory-built zero-clearance fireplaces, not masonry chimneys, which means the failure modes and repair methods differ significantly from older North Texas towns. Our Chimney Repair team dispatches from our Dallas-Fort Worth office and carries replacement firebox panels, chase covers, and flashing kits sized for the Heatilator and similar prefab units that dominate neighborhoods like Bridlewood. Call (940) 290-7230 to schedule a camera inspection and written estimate.
Why Level Two Chimney Frisco Is Flower Mound’s Preferred Chimney Repair Company
We’ve completed more than 38,000 chimney inspections and cleanings since 2009, and a significant portion of those have been in Flower Mound’s master-planned communities where the same builder-grade prefab units repeat block after block. Our technicians know the difference between a cracked masonry crown and a rusted chase cover without pulling ladders, because we’ve documented the pattern hundreds of times.
Flower Mound homeowners leave reviews mentioning the same thing: the camera footage, the written price before anyone touched a tool, and the photo record they received at the end. Clause 4 of the Haven Standard requires that documented photo record on every job - we’ve operated that way since 2009, before it became an industry expectation.
When you call (940) 290-7230, a live person answers. We assign a named, background-checked technician, send a text when they’re en route, and deliver a written scope, written price, and written warranty before any work begins. That’s Haven Standard Clause 1: have it in writing. No exceptions.
Our Chimney Repair Services in Flower Mound

Flashing Repair
Flashing repair in Flower Mound usually costs $400-$950. On prefab metal-chase fireplaces - the dominant system in 1990s-2000s Flower Mound subdivisions - the flashing where the chase meets the roofline separates or corrodes, letting water run directly into the framed wall cavity behind your siding. We remove the damaged step flashing, inspect the deck and framing for rot, and install new galvanized or copper flashing with a proper cricket if the chase width demands it. In Flower Mound, we see this failure paired with corroded chase tops on homes along Cross Timbers Road and in the Bridlewood area, where wind-driven rain from the open prairie accelerates seal degradation.

Chimney Rebuilding
Full chase or chimney rebuilding in Flower Mound runs $3,500-$8,500 for prefab systems and $6,000-$14,000 for masonry structures. Most Flower Mound rebuilds involve the wood-framed chase enclosing a prefab firebox, not traditional brick. The chase siding, sheathing, and sometimes wall framing have rotted after years of chase-top leaks the homeowner never saw. We strip to sound framing, install a new chase cover with proper drip edge and ventilation, re-side with matching materials, and drop in a new factory-built firebox or repair the existing unit depending on what the camera inspection reveals. Every rebuild includes Clause 4 documentation: photos before, during, and after.

Chimney Waterproofing
Waterproofing for masonry chimneys in Flower Mound costs $800-$1,400; for prefab chase systems, we address water intrusion at the chase top, flashing, and siding interface, typically $650-$1,200. Flower Mound’s clay-heavy soils and occasional severe hail stress chimney structures differently than sandy-soil regions. Our waterproofing uses vapor-permeable sealers on masonry and custom-fabricated chase covers with welded seams on prefab units. We source materials through our Haven buying network from Gelco and Olympia Chimney to keep pricing honest.

Mortar Repointing & Spalling Brick Repair
True masonry chimneys are uncommon in Flower Mound’s 1990-2010 housing stock, but the custom homes near Grapevine Lake and a handful of earlier builds do have them. Mortar repointing runs $25-$45 per square foot; spalling brick replacement where freeze-thaw or moisture has popped the face off the brick runs $18-$35 per brick with matching. Flower Mound’s limited freeze-thaw cycles mean spalling here is usually water intrusion from a failed crown or open mortar joint, not the severe deterioration seen in colder climates. We grind out failed joints to proper depth, match the sand and color profile, and seal the crown with a poured crown or capper from our Haven supplier network.

Tuckpointing
Tuckpointing in Flower Mound, when needed on the minority of masonry structures, runs $20-$40 per square foot. The term is often used interchangeably with repointing, but true tuckpointing involves grinding out old mortar and installing new with a thin contrasting line for aesthetic effect. On Flower Mound’s few masonry chimneys, we perform functional repointing with color-matched mortar; decorative tuckpointing only on heritage or architecturally specified projects.

What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Before
AfterTrusted Brands We Service in Flower Mound
We stock replacement components from HeatShield, Gelco, and Olympia Chimney through our Haven buying network, which means Flower Mound homeowners aren’t waiting two weeks for a chase cover or firebox panel to ship. For the Heatilator, Superior, and Lennox prefab units common in Flower Mound’s 1990s-2000s subdivisions, we carry rear firebox panels, refractory boards, and damper assemblies that match original specifications. When a Bridlewood homeowner calls with a rusted firebox or cracked refractory, we often have the part on the truck. Fast turnaround matters because these units are your home’s listed appliance - an improper repair or incompatible part can void homeowner’s insurance coverage or create a fire hazard.
Common Chimney Repair Problems We See in Flower Mound Homes

- Rusted rear-wall firebox panels on 25-year-old prefab units. In Bridlewood and comparable Flower Mound subdivisions, the same builder-grade Heatilator-style zero-clearance units were installed across entire developments. The rear firebox panel - the steel wall separating your firebox from the framed chase - rusts through from condensation, especially in homes that run gas logs occasionally rather than wood fires that would dry the chamber.
- Cracked refractory boards from thermal cycling. The ceramic-fiber board lining the firebox develops hairline cracks after years of heating and cooling. On Flower Mound’s 1990s-2000s units, we’re replacing these boards routinely now as they reach end of service life. A cracked refractory board exposes the steel wrapper to direct flame - a condition we flag immediately in our written report.
- Corroded chase tops and failed flashing letting water into wall cavities. The metal chase top on a prefab fireplace is not a masonry crown. It’s a flat or slightly pitched steel or aluminum lid with a collar for the flue pipe. After 20-30 years, the sealant fails, the metal corrodes, and water runs down the flue or between the chase and siding into your wall. We’ve opened chases in Flower Mound to find rotted sheathing and insulation the homeowner never suspected.
- Nesting chimney swifts and squirrels in flues idle ten months yearly. North Texas delivers maybe 20-40 realistic wood-burning days. That long dormancy lets wildlife establish nests, and the February 2021 Uri storm proved how dangerous a neglected flue can be when homeowners suddenly light a fire. We inspect and clear nests, then install proper chimney caps or chase covers with animal-proof screening.
Pricing for Chimney Repair in Flower Mound, TX
Here’s what chimney repair costs in Flower Mound’s market:
| Service | Typical Range |
|---|---|
| Flashing repair (prefab or masonry) | $400 - $950 |
| Chase top replacement (prefab) | $650 - $1,400 |
| Firebox panel & refractory board (prefab) | $800 - $1,800 |
| Chimney waterproofing (masonry) | $800 - $1,400 |
| Mortar repointing | $25 - $45/sq ft |
| Spalling brick replacement | $18 - $35/brick |
| Partial chase rebuild (prefab) | $3,500 - $6,500 |
| Full chase/chimney rebuild | $6,000 - $14,000 |
What moves you within these ranges: accessibility (steep roof, two-story chase), extent of hidden water damage to framing, and whether the prefab unit is still manufactured or requires custom fabrication. We deliver a written price before any work starts - Haven Standard Clause 1 - and we offer a Free Second Opinion on any competitor’s written estimate. Nothing is recommended without camera evidence you can see yourself. Call (940) 290-7230 for an exact quote; estimates are free.
We Also Serve Cities Near Flower Mound

Our crews work Flower Mound regularly and also serve Grapevine, Lewisville, Denton, and Carrollton. Lewisville and Denton have older housing stock with more true masonry chimneys; Flower Mound’s repair profile is distinct. Wherever you are, the same technician standards apply: background-checked, uniformed, named, with license information provided and a text when we’re en route.
Serving Flower Mound, TX - Our Local Coverage Area
We’re based in the Flower Mound 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 - Chimney Repair in Flower Mound

You almost certainly have a prefabricated zero-clearance fireplace with a metal chase clad in wood or vinyl siding, not a masonry chimney. Flower Mound’s residential build-out concentrated in the 1990s through mid-2000s, and builders sourced the same builder-grade Heatilator or similar units across entire subdivisions. The “chimney” you see from the street is a framed enclosure around a steel firebox, flue pipe, and chase cover. It requires different inspection and repair expertise than masonry. Call (940) 290-7230 and we’ll camera-scan the flue to confirm exactly what system you have.
Gas logs produce moisture-laden exhaust that condenses on the cooler steel surfaces of a prefab firebox, especially during brief burns that never fully heat the chamber. Wood fires dry the system; occasional gas use wets it. In Flower Mound, where fireplaces sit idle 10+ months annually, that condensation accelerates rust on rear firebox panels and corrodes damper mechanisms. We see this pattern constantly in 1990s-2000s prefab units. A camera inspection reveals the extent; replacement panels and proper venting configuration solve it. Call (940) 290-7230 for a written estimate.
No. Because Flower Mound’s 1990s-2005 builders used the same builder-grade prefab units across whole subdivisions, our techs find the identical rusted rear firebox wall and cracked refractory board repeating from house to house in places like Bridlewood. In Bridlewood we opened up a 1999 two-story whose owner only ever ran the gas log set, and found the rear firebox panel on the original Heatilator unit rusted through with the refractory board hairline-cracked from 25 years of condensation; the flues had sat idle ten months and a chimney swift nest had plugged one. We pulled the nest, replaced the firebox panel and refractory board, sealed the cracked damper, and re-set the chase cover with new flashing so water stopped wicking into the framed wall cavity behind the siding. It’s a neighborhood-wide failure pattern tied to that era’s construction package, not bad luck. Call (940) 290-7230 if your home matches this profile.
We repair chase tops when possible and rebuild only when the framing behind has rotted. A corroded chase top with sound underlying structure gets a new custom-fabricated cover with welded seams, proper drip edge, and animal-proof screening - typically $650-$1,400. If water has been entering long enough to rot the chase framing or wall cavity, partial or full chase rebuild becomes necessary. We determine this with a camera inspection and physical probe, show you the photos, and give you a written price for each option. Nothing is sold on fear. Call (940) 290-7230 for an exact quote - estimates are free.
Yes, especially if your Flower Mound home has a prefab unit now 20-30 years old. Long dormancy lets corrosion progress unseen and invites nesting animals that block the flue. The February 2021 Uri storm sent dozens of Flower Mound homeowners to light fires in systems that hadn’t been inspected in years; several had dangerous obstructions or compromised flue liners. Our NFPA 211 Level 2 inspection includes a camera scan down the flue, a documented photo record under Haven Standard Clause 4, and a written report with any recommended repairs priced before you decide. Call (940) 290-7230 to schedule before burning season.
Written by Corrine Halstead, Owner at Level Two Chimney Co., serving Flower Mound and the Dallas-Fort Worth area since 2009.





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