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.
DuraFlex Chimney Cap Installation: The Atlanta Owner’s Guide
If you’ve got a DuraFlex liner system and a cap that’s rusted through, blown off in a storm, or letting rain straight down your flue, we stock and install DuraFlex-compatible chimney caps across Atlanta. Most cap replacements run $275 to $525 installed, depending on the flue size and whether we’re swapping just the cap or the cap plus a top plate. We’ll usually get it done in one visit, because we carry the common DuraFlex cap sizes on the truck.
The way most Atlanta homeowners find out their cap failed is not subtle. Squirrels. Or a water stain on the ceiling near the fireplace. Or they glance up from the driveway and realize the cap looks like a crushed soda can after a spring storm rolled through. By the time you notice it, water’s already been getting in.
Here’s what we know about DuraFlex caps in Georgia weather, what we stock, what it costs, and when you should not get on the roof yourself.
Key Takeaways
- DuraFlex chimney cap replacement in Atlanta typically runs $275 to $525 installed.
- We stock common DuraFlex cap sizes, including oversize caps for oval-to-round transitions, on the truck.
- Rain, squirrels, and rust are the three things that kill a cap in Georgia’s climate.
- You don’t need a new liner just because the cap failed, but you do need the cap sized to the DuraFlex liner, not to the old clay flue.
- Every cap install gets a written price before we start and a written guarantee when we finish.
Styles & brands we work with
Which DuraFlex Models This Applies To
DuraFlex makes a few cap families, and they are not all interchangeable. The caps we install most often in Atlanta are the DuraFlex Deluxe cap (round, with a fitted screen and a solid top cover) and the DuraFlex Standard cap (a simpler round cap with a band that clamps to the liner). If you have a masonry fireplace with a DuraFlex liner, you’re usually in Deluxe territory. If it’s a freestanding wood stove with a DuraFlex liner all the way up, you may have either one, but the sizing matters more because the cap seats directly to the liner extension.
The identification gotcha we see constantly: a homeowner measures the old clay flue tile, which might be 13×13, and orders a cap for that. Then it doesn’t fit the DuraFlex liner, which is round and maybe 8 inches. The cap has to match the liner, not the chimney. Look for the stamped label on the liner section, or measure the inside diameter across the opening at the top. DuraFlex caps are specified by liner diameter, usually in half-inch increments from 6 to 12 inches.
One Atlanta-specific reality: DuraFlex caps for oval and corbeled liners (the ones with an oval-to-round adapter plate) are special order. We don’t stock every oval adapter on the truck, but we can usually have one in hand for a return visit within a week if your setup requires it. We’ll tell you that before we leave the driveway, so you’re not surprised by a second trip.
We also stock parts that play well with the DuraFlex family: HeatShield and Gelco caps when the failed part is on a different system, plus top plates, screens, and storm collars that fit DuraFlex terminations. If you’ve got a mixed system, we’ll sort out what’s actually there before we quote what gets replaced.
Signs Your DuraFlex Chimney Cap Installation Is Failing
- Water in the firebox after a rain. The cap’s top cover is rusted through or the screen has pulled away, and rain is dropping straight down the liner. In Atlanta we also get the fun version where a summer thunderstorm pushes wind-driven rain sideways and the cap just can’t deflect it anymore.
- Squirrel noise at 6 a.m. A rusted side screen is the entry door, not a barrier. We’ve pulled nests out of flues in Grant Park and Buckhead that filled two trash bags, and the squirrel came in through a hole the size of a quarter.
- Visual rust streaks on the cap or top plate. The galvanized base is failing. Once the top plate rusts through, water runs down the brick and into the chase, not just into the flue.
- The cap is visibly tilted or missing. High winds are the usual culprit. A tilted cap separates from the top plate and starts banging in the wind, which in Atlanta’s spring storm season is not a subtle sound.
- Draft problems or smoke spillage. Debris, nests, and rusted screen sections restrict the flue. The draft was marginal to begin with, and now the fire smokes back into the room.
See the difference
Before
After
Before
After
Before
AfterReplacement Cost & What’s Included
For a standard DuraFlex cap replacement in Atlanta, the total installed job lands between $275 and $525 in most cases. The cap itself runs $95 to $245 depending on liner diameter and whether it’s the Standard or Deluxe style, and the labor for a roof-top swap is usually $180 to $280. If the top plate is rusted out and we’re replacing that too, add $95 to $160 for the plate and possibly a second trip if we need to order a non-stock size. If you have an oval liner or a corbeled chimney that needs an adapter plate, add $70 to $130 for that part.
Every cap quote includes removing the old cap, cleaning the top few inches of the liner, reseating the new cap with a proper clamp band, and sealing the top plate where it meets the crown if needed. The written price you get before work starts is the number on the invoice. If the cap ever fails inside our guarantee period, we come back and fix it at no charge, that’s the 365-Day Done Right Promise, and it’s in writing on every job sheet.
DIY or Call Us?
You can check a few things without getting on the roof: look for rust streaks on the brick below the chimney, shine a flashlight up the flue from inside the home to check for daylight (it should show through the screen openings, not through gaps in the cap), and look for water puddling in the firebox after a rain. Those are all safe to do from the ground or inside.
Getting on the roof to swap a cap is a different story. Atlanta’s roof pitches, wet shingles, and clay-tile roofs in older neighborhoods make ladder work genuinely dangerous for someone who doesn’t do it weekly. And the cap installation itself is not just dropping it on: the clamp band has to be tensioned correctly, the top plate sealed so it doesn’t leak at the crown, and the screen seated so a raccoon can’t peel it back. We do this from ladders and safety gear on every job, with two people on site. If you’re not set up for that, call us at (678) 263-7908 and we’ll have it swapped in one visit.
FAQs
A DuraFlex cap in Atlanta typically lasts 7 to 12 years before the screen or top cover rusts through, depending on how close you are to the coast, how much sulfur your fireplace puts up, and how many Georgia thunderstorms it eats. Caps on the north side of town near Buckhead and Sandy Springs don’t fare much differently from those in Decatur, but caps that face the prevailing wind rust faster on the windward side.
You can sometimes patch a small screen tear or reseal a loose top plate, but by the time the screen has parted from the band or the top cover has rusted through, the metal is gone and a patch won’t hold through Atlanta’s wet season. We’ll tell you if your cap can be rebanded, but if it can’t, we don’t put a band-aid on a rusted part just to get another year. Call (678) 263-7908 for an honest read on what you’ve got.
Most DuraFlex cap replacements take 45 to 90 minutes once we’re on the roof. The ladder setup, rooftop safety line, and clearing debris from the liner add time if the flue has a nest in it, but the cap swap itself is not a long job. If the top plate needs to come off and be replaced, expect the visit to run closer to a couple of hours.
Yes. We carry the common DuraFlex Deluxe and Standard caps in 6-through-12-inch diameters on the service vehicle, along with the matching clamp bands and a few top plate sizes. If your liner diameter is an odd size or you have an oval-to-round adapter, we’ll order the specific part and come back, usually within a week. You’ll know which one you’re in before we leave the driveway.
How to Get Your DuraFlex Cap Replaced in Atlanta
If your cap is rusted, airborne, or squirrel-compromised, the fix is a phone call. We’ll answer live, schedule a visit, show up with the common DuraFlex cap sizes on the truck, and write the price down before anything gets unloaded. That’s the Kingswell Way: say the price, show up when we said we would, put the guarantee in writing, and come back if it fails. Tell me the price first, then tell me why, that’s the only way we know how to do it. Call (678) 263-7908 for a free estimate on DuraFlex chimney cap installation in Atlanta.
Written by Nathan Corliss, Owner, Ashby Chimney Atlanta, serving Atlanta and nearby areas.