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.
DuraFlex Chimney Cleaning in Arlington, VA | Hearthstone Chimney Co.
Our Chimney Cleaning & Sweep in Arlington for DuraFlex systems typically runs $180-$340 for a standard sweep with Level 2 camera inspection, and most jobs are completed in a single visit. What sets our DuraFlex work apart in Arlington is our familiarity with the county’s postwar housing stock - those Ashton Heights and Westover capes with coal-era flues retrofitted for wood burning - where we’ve seen every way a DuraFlex liner can underperform when it’s the wrong size or missing insulation. We’re Hearthstone Chimney Co., an independent DuraFlex service provider, not a manufacturer’s authorized dealer. Our crew has installed and serviced more DuraFlex stainless relining systems in Arlington County than any other flexible liner brand. Call (571) 489-4365 for a free estimate.
Why Arlington Residents Choose Us for DuraFlex Service
We’ve been answering the phone with a live person in this county for over 42 years. Russell Haines, our owner, learned masonry and ventilation fundamentals at Los Angeles Trade-Technical College before the trade pulled him east. He’s spent the better part of two decades running crews across Northern Virginia, including plenty of seasons on the older colonials near the West Falls Church Metro corridor. That background matters when we’re diagnosing a DuraFlex liner in a 1940s brick cape cod where the flue was never designed for what it’s burning now.
We stock genuine DuraFlex components - top plates, caps, clamps, and appliance connectors - because mixing aftermarket fittings with DuraFlex liner walls invites corrosion at dissimilar-metal joints. Our Level 2 camera inspections end with photos you can see and a plain-English verdict. Every job carries the 90-Day Done Right Promise in writing, no arguing. If it is worth heating your home with, it is worth doing the chimney right.
DuraFlex sales & service is our specialty, but our loyalty is to your flue, not a manufacturer’s sales quota.
Common DuraFlex Chimney Cleaning Problems We Solve in Arlington
- Corroded top clamps and termination collars from freeze-thaw crown damage. Arlington’s 15-25 annual freeze-thaw cycles spall the soft 1940s-era lime mortar at the crown. Water tracks down the exterior of the DuraFlex liner and pools at the top clamp, corroding the collar and loosening the seal. We catch this during camera inspection before it drops debris into the flue.
- Over-sized DuraFlex liners in coal-era flues causing poor draft and glazed creosote. In Ashton Heights and Westover, postwar add-on fireplaces were installed in chimneys originally built for coal furnace flues. A DuraFlex liner dropped into that oversized space doesn’t get hot enough to establish proper draft. Creosote glazes in the corrugations instead of burning off. We’ve pulled liners that looked clean from the top but were packed solid below the smoke shelf.
- Exterior pitting on 304L alloy from summer humidity wicking through old clay tile. Arlington’s humid subtropical summers push moisture into uninsulated DuraFlex runs inside deteriorated clay tile. The 304L alloy develops pinhole corrosion that a basic visual inspection misses. We see this most in homes where the liner was installed without insulation to save money.
- Pinched or abraded liner walls from shifting original clay tile. When freeze-thaw movement cracks the original tile that was never removed, fragments shift and grind against the DuraFlex wall. Hidden leaks show up as rust stains on the firebox face. Our camera finds the abrasion before the wall fails.
- Missing insulation in relined capes that no longer meet current wood-burning standards. Arlington’s teardown-and-rebuild cycle means we’re increasingly called to inspect DuraFlex liners relined 15-20 years ago by previous owners. Those liners often lack the insulation now required for wood-burning appliances, a condition almost never seen in neighboring Fairfax County’s newer stock.
DuraFlex Service in Arlington: What Local Conditions Mean for Your Equipment
Arlington’s wartime and postwar federal-workforce housing boom produced thousands of nearly identical brick cape cods and ramblers - concentrated in neighborhoods like Ashton Heights, Westover, Lyon Village, and Dominion Hills - whose original clay tile flue liners are now 70-80 years old and failing precisely as owners pour money into renovations ahead of the county’s relentless teardown-and-rebuild cycle. Chimney sweeps here are less often doing routine maintenance cleanings and more often diagnosing deteriorated clay tile liners in homes that were built fast for wartime workers and never had their flue systems updated. This creates unusually high demand for relining consultations in a county geographically smaller than many individual zip codes elsewhere.
For DuraFlex owners, this means your liner was likely installed as a retrofit solution in a chimney never engineered for it. The original flue may be too large, the clay tile too damaged to leave in place, or the crown too deteriorated to protect the termination. We see this pattern so consistently in Arlington that our trucks carry insulated DuraFlex 316L kits, multi-flue caps, and crown repair materials as standard stock. Arlington service area coverage means we’re rarely more than fifteen minutes from an Ashton Heights or Westover call.
DuraFlex Models & Products We Service in Arlington
We work with the full DuraFlex line: the 316L and 304L stainless steel flexible chimney liner kits, insulated liner systems for exterior masonry chimneys exposed to Arlington’s freeze-thaw cycles, direct vent and gas appliance liner kits for converted heating systems, and smooth-wall flexible liner for improved draft and easier sweeping in the older, taller flues common near Dominion Hills.
Our parts inventory is OEM-compatible, not aftermarket. We stock genuine DuraFlex top plates, termination collars, clamps, and appliance connectors because dissimilar metals at connection points create galvanic corrosion that shortens liner life. When a liner is pitted but structurally sound, we repair and re-terminate. When the alloy wall is compromised, we tell you plainly that replacement is the only safe option. No surprises on the bill.
DuraFlex Service Pricing in Arlington
Standard DuraFlex chimney cleaning with Level 2 camera inspection: $180-$240. Heavily glazed creosote removal requiring rotary cleaning: $260-$340. DuraFlex liner repair or re-termination: $400-$850 depending on accessibility and parts needed. Full DuraFlex relining with insulated 316L kit: $2,800-$4,500 for typical Arlington cape cod or rambler flue.
Every estimate includes the camera inspection and photo report. Our $89 Seasonal Tune-Up applies to standard cleaning visits booked before October 15th. Seniors and veterans receive a standing 5% discount. The number on the estimate is the number on the invoice. Call (571) 489-4365 for an exact quote - estimates are free.
Serving Arlington, VA - Our Local Coverage Area
We’re based in the Arlington 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 - DuraFlex Chimney Cleaning in Arlington
Schedule a Level 2 camera inspection. We look for exterior pitting, wall thinning, missing insulation, and top-clamp corrosion that indicate the liner is past safe service life. Many 15-20 year old installations in Ashton Heights lack insulation now required for wood-burning standards. If the alloy wall is compromised, replacement is the only safe option. Call (571) 489-4365 for a free inspection.
Smoke after cleaning usually means draft failure, not creosote buildup, which is where Chimney Repair - Arlington expertise matters. Westover ramblers often have coal-era flues that are too large for the DuraFlex liner installed. The flue never gets hot enough to establish upward draft. Glazed creosote in the corrugations makes it worse. We measure the flue and liner, check for proper insulation, and resize if needed. Call (571) 489-4365 - we’ll diagnose it properly.
No. DuraFlex flexible liners are designed for masonry chimneys, not zero-clearance prefabricated metal chase systems. Newer Arlington townhouse clusters with factory-built fireplaces require completely different service protocols and parts. We service those systems with appropriate materials from our professional-grade inventory. Call to discuss what your prefab unit actually needs.
Arlington’s 15-25 annual freeze-thaw cycles spall lime mortar at the crown, letting water track down the liner exterior. The top clamp and termination collar corrode first. We inspect these components during every cleaning and stock replacement caps and plates for same-visit repair when possible. Catching crown damage early prevents liner failure.
We use genuine DuraFlex components - top plates, caps, clamps, and appliance connectors - because mixing aftermarket fittings invites corrosion at dissimilar-metal joints. We are not affiliated with or authorized by DuraFlex. Hearthstone Chimney Co. is an independent service provider. Our loyalty is to your flue, not a manufacturer’s sales quota.
Service Areas Near Arlington
We run DuraFlex service calls throughout Northern Virginia from our Arlington base. DuraFlex service in Falls Church covers the older bungalows and split-levels near Seven Corners. DuraFlex service in McLean handles the larger custom homes and estate properties off Georgetown Pike. We also work regularly in Annandale, Tysons Corner, and Bailey’s Crossroads.
Book Your DuraFlex Service in Arlington Today
Call (571) 489-4365. A live person answers 24 hours a day, 7 days a week - not a voicemail, not a callback queue. We’ll schedule your free estimate, send a background-checked, uniformed technician, and get your DuraFlex system inspected, cleaned, and documented with photos you can see. Done right - and we stand behind it.
Written by Russell Haines, Owner at Hearthstone Chimney Co., serving Arlington since 1984.





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