Gas fireplace service
Sweep & inspection
Caps & crowns
Flue relining
Masonry repairLevel 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.
Why Alpharetta Homeowners Choose DuraFlex Chimney Cleaning
Flint Chimney Co Alpharetta provides independent DuraFlex service in Alpharetta across Alpharetta, GA. We service and install DuraFlex 316L, DuraFlex AL, DuraFlex Pro, and DuraFlex 304L liner systems without being a factory-authorized dealer. That’s an important distinction. Our techs work inside DuraFlex systems weekly in Alpharetta, and we know this liner’s gauge, flex patterns, and tee-body connections well enough to spot early creosote glaze or a bad joint without needing a manufacturer call. If you own a home in Alpharetta with a DuraFlex liner that needs cleaning or repair, call (762) 600-1468 for a written price before any work starts.
Why Trust Flint Chimney Co Alpharetta for Your DuraFlex Chimney Cleaning?
Our crews have put hands on more DuraFlex systems in Alpharetta than most companies see in a year. Hank Delano, our owner, learned the trade at Los Angeles Trade-Technical College and has put in over two decades of chimney work since. He and the crew have cleaned and inspected DuraFlex liners in everything from 1980s single-family homes near Windward to newer builds with prefab metal chimneys around Avalon. The difference with a DuraFlex liner is in how it behaves under heat cycles and humidity. We know that the corrugated interior of a 316L liner collects creosote differently than a rigid clay flue. We know what a kinked flex section sounds like when a brush hits it. We know where a tee-body clogs in a 1990s Alpharetta two-story before we even pull the cap off. That familiarity means we diagnose faster and fix only what needs fixing.
We use OEM-compatible parts when they match the existing gauge, and we default to genuine DuraFlex components when a liner or connector must be replaced. We won’t patch a liner that has lost structural integrity. We won’t sell you a full replacement when a three-foot section repair will do. Every job gets a written price before any tool comes off the truck. Every repair carries our 365-Day Done Right Promise: one full year of coverage, and if something fails within that year, we return at no charge. That’s the Garrison Standard, and it applies to every DuraFlex job we run in Alpharetta.
Styles & brands we work with
Common DuraFlex Chimney Cleaning Problems We Fix in Alpharetta
- Creosote glaze buildup inside 316L corrugated walls. Alpharetta’s mild-but-humid winters cause creosote to form faster than in drier parts of Georgia. Burning unseasoned pine makes it worse. The glaze coats the corrugated interior of the liner, reducing draft and increasing fire risk. We remove it with a rotary brush setup sized for the liner diameter. The written price you approve before the job covers the full cleaning, not a partial pass.
- Tee-body accumulation at the bottom of the liner. The 90-degree turn where the liner meets the clean-out slows draft. Soot and creosote drop out of suspension there. In Alpharetta homes with frequent cold-snap fireplace use, a tee-body can pack with creosote to within a couple inches of the opening before the homeowner notices a sluggish draw. We pull the cap, brush the full liner, and clear the tee-body every time we clean a DuraFlex system.
- Liner seam separation or kinking at the flex-to-rigid transition. This happens when the damper area was not properly prepped during original installation. The flex section above or below the damper transition develops a kink. Draft drops. We see this regularly in 1990s Alpharetta homes that have had liner work done piecemeal over the years. We scope the transition with a camera and replace only the damaged section if the surrounding liner is sound.
- Flue gas condensation causing acidic scale on 304L in short exterior runs. Homes in Alpharetta with exterior chimneys and short liner runs can run cooler flue gas temperatures. Condensation forms. Acidic scale accumulates on the 304L stainless. A standard sweep won’t remove acidic scale. It takes chemical treatment followed by a mechanical pass. We specify that only when the camera shows it, not by default.
- DuraFlex Pro installation errors we fix. The heavier-gauge Pro liner is built for demanding conditions, but a bent seam or mis-sized connector at the tee-body is still a failure point. We’ve repaired Pro liners where the original installer used the wrong clamp for the gauge. The fix is straightforward: correct clamp, fresh connector, verified draft.
DuraFlex Parts & Our Repair-vs-Replace Approach
When a DuraFlex liner or connector must be replaced, we default to genuine DuraFlex components. When the liner itself is sound and only a top plate or clamp needs attention, we’ll use quality aftermarket stainless parts if they match the existing gauge. That keeps a small repair affordable without compromising the system. The rule we follow is simple: never patch a liner that has lost structural integrity or is more than 30% corroded. We lean toward repair of a sound liner every time. The conversation is always documented. You get a written price, a camera image of the problem, and a straight answer on what can safely wait.
We stock common DuraFlex connector sizes, clamps, and top plates locally for faster turnaround in Alpharetta. If your liner needs a full replacement, we’ll spec the correct series for your appliance and fuel type. Call (762) 600-1468 and we’ll get you a written number.
Our DuraFlex Service Process – Step by Step
- 1
Diagnosis. We run a camera through the full length of the DuraFlex liner. We’re looking for creosote glaze, tee-body accumulation, seam separation, kinks, and condensation scale. You see the camera footage. We tell you what we found and what the repair will cost in writing before going further.
- 2
Cleaning or repair. For a standard clean, we size the brush to the liner’s diameter and run it end to end, including the tee-body. For a repair, we order or pull the correct component, cut to spec, and connect using clamps matched to the liner gauge. No shortcuts on clamps or connections.
- 3
Verification. After the work is done, we run the camera again and do a draft test. You get the photos. If it’s a repair, we note the date, the part used, and the guarantee terms on your invoice.
- 4
Warranty. Every DuraFlex repair we complete in Alpharetta carries a one-year written guarantee under The Garrison Code. Fail within that year, and we come back at no charge. No argument. No re-quoting. The number you approved is the number you paid.
Tell me what’s in the flue, and I’ll tell you what it takes to fix it. That’s how Hank puts it to every customer before the camera goes up.
See the difference
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After
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After
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AfterDuraFlex Products We Service & Install in Alpharetta
We clean, inspect, repair, and install the full current DuraFlex lineup: DuraFlex 316L (the most common wood-burning and pellet liner across Alpharetta), DuraFlex AL (aluminum, for gas appliances), DuraFlex Pro (heavier-gauge stainless for demanding conditions), and DuraFlex 304L (gas and oil applications where 316L isn’t required). We stock common connectors, clamps, caps, and top plates for these series. We also do full Chimney Sweep services, Level 2 inspections, and tuckpointing on chimneys with DuraFlex liners throughout Alpharetta, including neighborhoods like Crabapple and Windward where original terra cotta flue liners often need a DuraFlex conversion.
We Also Service These Brands
DuraFlex isn’t the only liner we work with. We’re multi-brand independent. Our crews also service and install HeatShield resurfacing systems and Gelco chimney covers and components across Alpharetta. We specify brand by job requirements, not by margin. You get the product that matches your chimney and fuel type, explained in plain words.
FAQs – DuraFlex Chimney Cleaning Service in Alpharetta
No. We are an independent DuraFlex service provider. We are not a factory-authorized dealer, and we do not imply manufacturer authorization. We service and install DuraFlex products based on hands-on field experience, not a factory certificate.
Once a year for most wood-burning systems in Alpharetta. The region’s humidity and cold-snap burning patterns accelerate creosote accumulation compared to drier parts of Georgia. If you’re burning unseasoned pine or running the fireplace more than three nights a week during winter, every six months is safer. Call (762) 600-1468 for a written quote on a full creosote removal.
Sometimes. If the separation is isolated and the surrounding liner is structurally sound, we can repair that section using genuine DuraFlex or gauge-matched aftermarket components. If the liner shows more than 30% corrosion or multiple seam failures, we’ll tell you it’s replacement time. We show you camera footage before any recommendation is made.
No. DuraFlex AL is aluminum and rated for gas appliances only. Wood-burning fireplaces and stoves require a stainless liner, either 316L or 304L depending on the appliance and fuel. If a previous homeowner or installer ran an AL liner on a wood-burning fireplace, it needs to come out. We see this mistake occasionally in older Alpharetta homes. Call (762) 600-1468 and we’ll inspect it.
Most likely a failed top plate or a missing storm collar at the flue termination. Driving rain in Alpharetta finds the gap. The fix is usually a new top plate sealed with a quality silicone and a properly fitted storm collar above it. We stock common sizes for DuraFlex systems. It’s a small repair, but left alone, the water will damage the liner and the chimney crown. Call (762) 600-1468 for a written price.
Yes. A Level 2 inspection is standard for any real estate transaction involving a chimney system. For a DuraFlex liner, that means a full camera scan of the interior, the tee-body, the connectors, and the termination. You get a written report with photos. Call (762) 600-1468 to schedule it.
A standard DuraFlex chimney cleaning in Alpharetta typically runs $189 to $329 depending on liner length, creosote condition, and access. Creosote removal with heavy glaze buildup or chemical treatment runs higher. A Level 2 inspection is a separate line item, typically $149 to $249. We give you a written price before any work starts, so there’s no guessing. Call (762) 600-1468 for an exact quote. Estimates are free.
Book Your DuraFlex Service in Alpharetta, GA
We service and install DuraFlex chimney systems throughout Alpharetta, GA. A live person answers the phone around the clock at (762) 600-1468. Tell us what you’re seeing, and we’ll schedule a diagnosis with a written price before any work begins. We operate under The Garrison Standard: documented scope, documented price, one-year written guarantee on every repair.
Written by Hank Delano, Owner at Flint Chimney Co Alpharetta, serving the Alpharetta area since 2002.