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.
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AfterDuraFlex Chimney Liner & Rebuild in Brick: What to Know First
As an independent DuraFlex service provider in Brick, we handle chimney liner replacement and partial-to-full rebuilds on DuraFlex systems, with most jobs scheduled within a few days and completed in a single visit. Our no-hassle upfront pricing means the estimate we give is the invoice you pay. DuraFlex makes reliable stainless and flexible liners, but like any metal flue in a Brick chimney, the salt air off Barnegat Bay and the freeze-thaw cycles through Ocean County winters will find the weak spot eventually. If your DuraFlex liner is showing gaps, your masonry is spalling, or a previous installer used the wrong alloy for your fuel type, we’ll photograph the damage, explain it in plain English, and quote the fix before we start. Call (609) 657-3371 to speak with a live person and book your free estimate.
How DuraFlex Products Fail - and How We Fix Them
- DuraFlex SW 304 flexible liner crevice corrosion near the thimble. The 304 alloy is rated for wood-burning only, but we’ve found it retrofitted into Brick homes that later switched to oil or gas. The condensation chemistry changes, the seam welds at the thimble entry corrode from the inside out, and you get a breach nobody sees until a Level-2 camera catches it. We pull the damaged section, switch to DuraFlex SW 316 or 316Ti if the fuel type demands it, and rebuild the thimble interface with proper clearance to combustibles.
- DuraFlex rigid 316Ti liner joint separation after thermal cycling. The telescoping sections are engineered to expand, but in older Brick chimneys with no proper chimney pot or with a cracked crown, water infiltration accelerates. The joints don’t seat back fully after cooling, and you get a gap that drafts poorly and leaks condensate into the surrounding masonry. We reseat or replace the affected rigid sections, seal with high-temp silicone rated to 600°F, and address the crown or cap failure that caused it.
- DuraFlex Pro liner ovalization during a tight flue pull. The Pro series is built for relining existing clay flues, but in Brick’s 1950s-1970s ranch homes the flue dimensions can be irregular. An aggressive pull leaves an ovalized liner with reduced draft capacity, especially on fireplace inserts. We measure with a video borescope before ordering, and if the flue is too compromised we recommend a partial rebuild to straighten the chase rather than force a liner that won’t perform.
- Alloy mismatch: DuraFlex 304 installed for pellet or corn appliance exhaust. Pellet flue gas is more acidic than seasoned hardwood exhaust. The 304 alloy develops pinhole failure at the termination cap within three to five years in Brick’s coastal humidity. We replace with DuraFlex 316Ti or transition to a listed pellet venting system, and we document the fuel type on your invoice so the next owner (or the next tech) knows what they’re looking at.
- DuraFlex liner top termination corrosion from missing or wrong-spec chimney cap. DuraFlex’s own termination hardware is solid, but we’ve seen plenty of Brick jobs where a generic cap was substituted to save forty dollars. Rain runs down the flue, pools at the low point, and the top collar of a flexible liner rusts through from the outside. We source the correct DuraFlex top plate or a compatible Gelco cap with proper overhang, and we rebuild the top course of brick if the freeze-thaw has already started the spalling.
Our DuraFlex Chimney Liner & Rebuild Process
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Call and schedule. A live person answers, 24 hours a day. We ask your fuel type, appliance age, and what symptoms you’re seeing. We book a Level-2 inspection with camera.
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Camera inspection and documentation. Our tech runs a video scan of the full flue and the exterior masonry. You see the footage. We mark timestamps for cracks, gaps, corrosion, or liner movement. You get a plain-English verdict: repair, reline, or rebuild.
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Parts specification. If it’s a DuraFlex liner job, we specify the exact alloy and model series for your fuel and flue size. We use OEM DuraFlex components where they make sense, and we stock HeatShield and Gelco alternatives when the application or availability calls for it. We explain the choice.
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Written estimate, upfront price. The number on the estimate is the number on the invoice. No surprises. You approve before we start.
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Repair and testing. Our background-checked, uniformed techs complete most DuraFlex liner replacements and partial rebuilds in a single visit. We pressure-test or smoke-test the finished flue per manufacturer protocol.
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Russell’s walkaround and your photos. Russell Haines still does a final walkaround on every liner and rebuild job before we call it done. You get after photos, a written summary, and the 90-Day Done Right Promise in writing. If it’s not right, we make it right. No arguing.
What DuraFlex Chimney Liner & Rebuild Costs in Brick
These are real ranges for DuraFlex work we’ve completed in Brick and nearby Ocean County towns. Your exact price depends on flue length, accessibility, and whether the masonry chase needs rebuilding.
- DuraFlex flexible liner replacement (single flue, standard height): $2,800-$4,200
- DuraFlex rigid 316Ti liner with top plate and cap: $3,400-$5,100
- Partial chimney rebuild (top 3-5 courses, crown, cap) with DuraFlex liner reseat: $4,500-$7,200
- Full chimney rebuild with new DuraFlex liner system: $8,500-$14,000
- DuraFlex thimble repair or transition fitting replacement: $650-$1,400
What moves the price: roof pitch and access, whether we need scaffolding, the liner diameter and alloy grade, and the condition of the existing clay flue or surrounding brick. We don’t recommend work you can’t see for yourself. Call (609) 657-3371 for a free estimate - we’ll show you exactly what we found.
Why Brick Homeowners Call Hearthstone Chimney Co. for DuraFlex Work
We’ve been working chimneys across Brick for over 42 years, including plenty of calls out near Windward Beach Park where the salt air does a number on mortar over time. Russell Haines picked up his trade fundamentals at Los Angeles Trade-Technical College and has spent well over two decades cleaning, inspecting, and relining chimneys. He still does a walkaround of every finished job himself before he calls it done.
Our techs know DuraFlex products specifically - the alloy ratings, the proper termination hardware, the common installation errors - and we back every job with the 90-Day Done Right Promise in writing. If we install it and it’s not right, we come back. No paperwork, no arguing. We also work with HeatShield and Gelco systems, so if your chimney situation calls for a different approach, we’ll tell you straight.
A live person answers the phone 24 hours a day, 7 days a week. Most jobs finish in one visit. And the price we quote is the price you pay.
FAQs
No. As an independent DuraFlex service provider, we follow manufacturer installation and repair protocols that keep warranty coverage intact. We document the work with photos and serial numbers, and we use specified alloys and components for your fuel type. If you have concerns about an existing warranty, call (609) 657-3371 and we’ll review your paperwork.
We stock common DuraFlex liner diameters, termination plates, and flexible lengths for typical Brick flue sizes. For less common rigid 316Ti sections or custom transitions, we source from regional distributors with two- to three-day turnaround. If your chimney is unsafe to use while we wait, we’ll tell you plainly and help you plan.
The camera inspection decides it. Localized corrosion at the cap or a single joint gap often repairs cleanly. Multiple seam breaches, ovalization, or alloy mismatch usually mean replacement. We show you the footage, explain the threshold, and we’ll tell you when work can safely wait versus when it can’t. Call (609) 657-3371 for a free estimate - estimates are free.
Most flexible liner replacements in a standard Brick ranch or colonial finish in four to six hours. A rigid 316Ti system with multiple offsets takes longer. Partial or full rebuilds add a day or two for mortar cure before we run the final test. We give you a clear schedule when we quote.
A breached DuraFlex liner lets combustion gases, including carbon monoxide, leak into wall cavities or living space. In a lined chimney with gaps, creosote can also reach combustible framing. The risk is real and specific, not theoretical. We don’t scare-sell, but we won’t soft-pedal a hazard we’ve documented on camera. If you’re unsure, call (609) 657-3371 and we’ll walk through what we found.
Find what’s wrong, fix it properly, stand behind it - that’s the whole job.
Ready to get your DuraFlex chimney liner sorted? Call (609) 657-3371 any time, day or night. A live person will answer, schedule your free estimate, and we’ll show up when we say we will. Done right - and we stand behind it.
Written by Russell Haines, Owner, Hearthstone Chimney Co. at Hearthstone Chimney Co., serving Brick and nearby areas.