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 Cherry Hill, NJ | Hearthstone Chimney Co.
Chimney Cleaning & Sweep in Cherry Hill for DuraFlex systems typically runs $180-$340 for a standard sweep with Level 2 camera inspection, and most appointments are completed in a single visit. What sets our DuraFlex work apart in this township is the sheer concentration of 1960s-1970s chimneys here - most built during one suburban boom, many converted from oil to gas without relining, and now hitting the same deterioration window all at once. We know these chimneys because we’ve been inside hundreds of them across Cherry Hill. Call (856) 543-2929 to book.
Why Cherry Hill Residents Choose Us for DuraFlex Service
Russell Haines picked up his trade fundamentals at Los Angeles Trade-Technical College before spending the better part of two decades working chimneys up and down the East Coast. He and our crew have served Cherry Hill for years, including older colonials over in the Barclay Farm neighborhood where the fireplaces run nearly as old as the subdivision itself. Russell is known for thorough inspections and straight talk - if the flue is fine, he tells you it is fine, and if it is not, he tells you exactly why and what Cherry Hill Chimney Repair will take to fix it.
We are not a manufacturer-authorized DuraFlex dealer. We are an independent chimney service company that specializes in DuraFlex stainless steel relining systems because they are a proven solution for the aging, converted chimneys common in Cherry Hill. Our technicians carry genuine DuraFlex components - 316L, 304, Pro, and Insulation Wrap - and when a part is obsolete, we source high-quality aftermarket equivalents that meet or exceed original specifications. We document every inspection with photos you can see and a plain-English verdict. Our 90-Day Done Right Promise is in writing, with no arguing. And a live person answers the phone 24 hours a day, 7 days a week - not a voicemail, not a callback queue.
Common DuraFlex Chimney Cleaning Problems We Solve in Cherry Hill
- Acidic condensate corrosion from oil-to-gas conversions. In older Cherry Hill neighborhoods like Erlton and the streets just off Route 70, we regularly find chimneys converted from oil to gas heat in the 1980s or 1990s with no relining work done. The oversized clay tile flue now vents a modern 80% gas furnace at temperatures far too low to prevent heavy condensate and acidic residue accumulation inside an existing DuraFlex liner, corroding the stainless steel from the outside in.
- Freeze-thaw water penetration accelerating liner rust. Cherry Hill’s Delaware Valley climate delivers repeated freeze-thaw cycles each winter, plus nor’easters that drive wind-driven rain into chimney crowns and exposed mortar. Water mixes with creosote or condensate inside DuraFlex liners, accelerating rust and pitting of the stainless steel in chimneys whose crowns have never been replaced since original construction.
- Hidden liner tears from jagged clay tile edges. Original clay tile flues that were never relined before installing a DuraFlex liner often have jagged edges or offset joints from decades of thermal cycling. These can tear the flexible liner during installation or cleaning, causing hidden breaches that a camera inspection will reveal but a standard sweep will miss.
- Cross-contamination in dual-flue chases. The split-level, ranch, and colonial homes that dominate Cherry Hill’s housing stock frequently feature dual-flue chimneys built to serve both a living room fireplace and a basement mechanical-room appliance. A DuraFlex liner installed in one flue can be compromised by debris or moisture from the adjacent unlined flue if the chimney is not properly separated and capped.
- Insulation gaps causing excessive condensation. Undersized or uninsulated DuraFlex liners in converted oil-to-gas chimneys cannot maintain adequate flue gas temperatures. The result is excessive condensation and acidic residue that pools at the base of the liner, a failure mode invisible from the roofline but immediately apparent on camera.
DuraFlex Service in Cherry Hill: What Local Conditions Mean for Your Equipment
Cherry Hill was built almost entirely during a single concentrated suburban boom in the 1960s and 1970s - triggered by the 1961 opening of Cherry Hill Mall and rapid Philadelphia-area flight to Camden County suburbs. This means the township has an unusually dense concentration of similarly-aged masonry chimneys, most now 50-60 years old and hitting the same critical deterioration window simultaneously. Compounding this, a large share of those homes later converted from oil-fired furnaces to natural gas without relining the chimney, leaving original terra cotta flue tiles sized for high-temperature oil exhaust now venting cooler gas appliances.
For DuraFlex liner owners, this legacy creates a specific maintenance imperative. The cooler exhaust from gas appliances promotes condensation and acidic byproduct buildup inside liners that were often installed without adequate insulation for the new operating temperatures. In Erlton, just off the Route 70 corridor, we inspected a 1968 split-level with a DuraFlex liner installed in the fireplace flue but the furnace flue still unlined. The gas furnace was venting into an oversized clay tile, causing acidic condensate that had begun to corrode the DuraFlex liner’s stainless steel from the outside. We rebuilt the crown, installed a new insulated DuraFlex liner in the furnace flue, and sealed the chase to prevent cross-contamination. The chimney either draws the way it should, or it does not - and we will not leave until we know which.
DuraFlex Models & Products We Service in Cherry Hill
We work with the full DuraFlex product line: DuraFlex 316L (the marine-grade stainless standard for most residential relining), DuraFlex 304 (suitable for certain gas appliance applications), DuraFlex Pro (heavy-wall construction for demanding installations), and DuraFlex Insulation Wrap (critical for maintaining flue gas temperature in converted systems). Our Cherry Hill service vehicles carry common DuraFlex connectors, termination caps, and insulation components for same-visit completion of most repairs. When a genuine DuraFlex part is back-ordered or obsolete, we use high-quality aftermarket equivalents that meet or exceed original specifications - never builder-grade substitutes. We stock professional-grade materials from DuraFlex, HeatShield, Gelco, Olympia Chimney, Famco, and Copperfield. DuraFlex sales & service details are available for homeowners researching their options.
DuraFlex Service Pricing in Cherry Hill
| Service | Typical Range in Cherry Hill |
|---|---|
| Standard DuraFlex chimney sweep & Level 2 inspection | $180 - $240 |
| DuraFlex liner cleaning with camera inspection & photo report | $220 - $340 |
| Crown coating or minor mortar repair during service visit | $150 - $400 |
| DuraFlex liner repair or section replacement | $400 - $950 |
| Full DuraFlex relining (fireplace or furnace flue) | $2,200 - $4,800 |
Pricing varies with chimney height, accessibility, and the condition of existing components. We provide no-hassle upfront pricing before any work begins - the number on the estimate is the number on the invoice. Every estimate includes a Level 2 camera inspection with photos you can see and a plain-English verdict. Nothing is recommended without camera evidence. Call (856) 543-2929 for an exact quote - estimates are free.
Serving Cherry Hill, NJ - Our Local Coverage Area
We’re based in the Cherry Hill 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 Cherry Hill
Yes, in most cases. DuraFlex flexible liners are designed to be inserted down the existing flue, with the clay tiles left in place to serve as a protective surround. However, we camera-inspect first to check for jagged edges, offset joints, or missing tiles that could tear the liner during installation. In Cherry Hill’s 1960s-1970s tract homes, we frequently find tiles damaged by decades of oil-fired exhaust cycling. Call (856) 543-2929 for a free inspection - we’ll show you exactly what the camera sees.
For most Cherry Hill homes converted from oil to gas without relining, yes. The original clay tiles were sized for high-temperature oil exhaust. Gas appliances run cooler, producing acidic condensate that pools in the oversized flue and attacks both the tiles and any adjacent metal liner. A properly sized and insulated DuraFlex liner maintains adequate temperature to carry exhaust safely to the termination. Call (856) 543-2929 - we’ll camera-inspect and tell you if your flue is sound or if relining is warranted.
Repeated freeze-thaw cycles degrade mortar joints and crowns, allowing water to penetrate the chimney structure. When water mixes with creosote or condensate inside a DuraFlex liner, it accelerates rust and pitting of the stainless steel - particularly in 304-grade liners without the molybdenum protection of 316L. We inspect crowns and mortar as part of every DuraFlex service and recommend crown coating or rebuild when water intrusion threatens the liner. Annual inspection is the best defense.
You can, but in Cherry Hill’s dual-flue chimneys, lining only one flue creates a known risk. The unlined flue - often still venting a converted gas furnace into oversized clay tiles - can produce acidic condensate that migrates through the separating wall and corrodes the DuraFlex liner from the outside. We inspect both flues and recommend sealing the chase or lining both flues when cross-contamination is a risk. The camera tells the story.
DuraFlex 316L contains molybdenum, giving it superior resistance to acidic condensate and chlorides - the conditions we find in Cherry Hill’s converted oil-to-gas chimneys. DuraFlex 304 is adequate for some gas applications but less resistant to the acidic residue common in this township’s older, oversized flues. For most Cherry Hill installations, we recommend 316L or DuraFlex Pro for longevity. Call (856) 543-2929 and we’ll specify the right grade for your application.
Service Areas Near Cherry Hill
We provide Cherry Hill service area coverage throughout the township, from Barclay Farm and Erlton to the neighborhoods along Route 70. Our technicians also work regularly in DuraFlex service in Camden, DuraFlex service in Gloucester, Evesham, Waterford, and Winslow. Same scheduling, same standards, same live person answering the phone.
Book Your DuraFlex Service in Cherry Hill Today
Call (856) 543-2929 to schedule your DuraFlex chimney cleaning and inspection. A live person will answer, 24 hours a day, 7 days a week. We’ll confirm your appointment, provide upfront pricing, and send a background-checked, uniformed technician who will document everything with photos and a plain-English verdict. The 90-Day Done Right Promise covers every job - in writing, no arguing. We’ve served Cherry Hill and surrounding communities for over 42 years, and we plan to be here for decades more.
Written by Russell Haines, Owner at Hearthstone Chimney Co., serving Cherry Hill since 1984.





Before
After
Before
After
Before
After