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.
Why Quincy Homeowners Choose DuraFlex Chimney Cleaning
Top Hat Chimney provides independent DuraFlex in Quincy chimney cleaning, inspection, and repair service throughout Quincy, MA - from Quincy Center and Wollaston to Germantown, Squantum, and Merrymount. We work on DuraFlex 316L and 304 stainless liners, DuraFlex Pro pre-insulated systems, and DuraFlex aluminum flex liners every week, and we know how Quincy’s coastal air and older housing stock affect them. We are not a DuraFlex dealer and we are not authorized by the manufacturer. We are independent technicians who have installed, inspected, and repaired hundreds of these liners since 1999. Call (781) 277-4630 for a straight answer about your DuraFlex chimney.

DuraFlex makes a solid flexible stainless liner. It handles heat well, it flexes around old flue offsets, and when it is installed right it lasts a long time. But no liner is bulletproof, and around here the two things that shorten a DuraFlex liner’s life are salt air near the water and the oversized, sometimes unlined flues in Quincy’s early 20th-century triple-deckers. For homeowners needing Milton Duraflex service, these same coastal conditions apply. That combination produces failure patterns you will not read about on a generic product page. Wendell Pike and his crew know those patterns because we have pulled enough corroded liners out of Quincy chimneys to see them coming before they fail.
Why Trust Top Hat Chimney for Your DuraFlex Chimney Cleaning?
Wendell Pike founded Top Hat Chimney in 1999 and has spent the better part of two decades driving Quincy streets and climbing onto roofs from Merrymount all the way up toward the old quarries. He learned the trade at Southwestern College in Chula Vista, and somewhere along the way a good instructor convinced him that honest work done carefully beats a fast hustle. That is how we run this company. We are locally owned and owner-operated, our address is published, and Wendell puts his name on the work. You will run into him again on Saturday, so he has a built-in reason to do the job right.
When it comes to DuraFlex specifically, the difference is familiarity. Our techs know how a DuraFlex 316L liner behaves after five winters of salt exposure in Wollaston. They know the top plate connections that leak on DuraFlex Pro when the silicone fails. They know which clamps are genuine DuraFlex and which aftermarket copies will corrode in two seasons. We keep genuine DuraFlex components on the truck: clamps, top plates, rain caps, tees, and connector sections. That means fewer return trips and less time with your chimney torn open.
Every DuraFlex job we do is backed by our 90-Day Done Right Promise in writing. If it is not right, Wendell comes back. No charge. And if your DuraFlex liner does not actually need cleaning, he will tell you that too.
Common DuraFlex Chimney Cleaning Problems We Fix in Quincy
- Pitting and corrosion on DuraFlex 316L liners along Quincy Bay. Salt-laden air off Boston Harbor attacks stainless steel, and the east-facing side of a liner takes the worst of it. We see superficial pitting that is fine to leave alone, and we see full-thickness pinholes that dump flue gas into the chase or attic. A Level 2 inspection with a camera tells us which is which. The repair path depends on penetration depth, not age alone.
- Kinked or crushed corrugated liner from DIY installation or bad routing. Quincy’s older chimneys often have steep offsets and narrow flue passages, particularly in pre-1945 homes in South Quincy and Germantown. A liner that gets yanked around a sharp bend kinks. A kinked liner restricts draft, traps creosote, and cannot be straightened reliably. The honest fix is usually replacement with a properly sized liner and a smooth routing plan.
- Leaking at the liner-to-tee or liner-to-top-plate connection. Failed silicone or missing stainless clamps at the top plate let rainwater run down the outside of the liner and into the chimney crown or firebox. This is one of the most common DuraFlex Pro failures we see in Quincy’s waterfront neighborhoods, and it often gets misdiagnosed as a roof leak.
- Creosote buildup inside the liner’s corrugations even after a routine sweep. A standard poly brush cleans the high points but leaves the valleys of a corrugated liner coated. We use mechanical rotary cleaning with stainless cables and chains sized for DuraFlex liners to strip the corrugations properly. If you burn softwood or mostly green wood, this matters more than you think.
- Draft problems from oversizing in retrofitted coal-era chimneys. Many Quincy homes built between 1900 and 1945 had chimneys sized for coal or oil, then someone dropped a gas insert or wood stove in with a liner that is too large for the appliance. An oversized liner cools the flue gas, weakens the draft, and accelerates creosote accumulation. We correct this by resizing the DuraFlex liner to match the appliance, not the old flue.
DuraFlex Parts & Our Repair-vs-Replace Approach
We use genuine DuraFlex components on every DuraFlex repair. Clamps, top plates, rain caps, and tees from DuraFlex are made to fit their liners and resist corrosion together. Aftermarket copies are cheaper, but we have seen mismatched stainless alloys cause galvanic corrosion at the connection points within two years. That is a false economy, and we will not install parts we would not put in our own chimney.
Repair versus replace is a judgment call, and we make it with the camera footage in front of you. If corrosion is superficial and the wall thickness is still solid, we clean it, treat the surface where needed, and put it back in service. If pitting penetrates more than 25% of the wall thickness, we recommend full liner replacement. No scare tactics. No padding the quote. Wendell will show you exactly what the camera sees and tell you plain English what he would do if it were his house. Call (781) 277-4630 and we will come look.
Our DuraFlex Service Process - Step by Step
- 1
Diagnosis. We start with a Level 2 inspection, which means a camera run through the full length of the DuraFlex liner. We look for pitting, kinks, failed top plate connections, creosote loading in the corrugations, and any liner separation. You see the footage. You get a plain-English verdict.
- 2
Repair or install. For repairable liners we clean first, then replace failed components with genuine DuraFlex parts. For full replacement, we size the new liner to the appliance and the flue, route it carefully through offsets, and secure every connection with the right clamps and proper silicone.
- 3
Test. After any repair or install, we run a draft check and verify the appliance vents properly before we pack up. On liner replacements we also test the connection points with a smoke or pressure check, depending on the setup.
- 4
Warranty. Every completed job is backed by our 90-Day Done Right Promise in writing. You also get before-and-after photos and our notes on the liner’s condition so you have a record for insurance or future sale.
DuraFlex Products We Service & Install in Quincy
- DuraFlex 316L Flexible Chimney Liner: Mid-weight stainless, the most common liner in Quincy’s wood-burning fireplaces and inserts. Good corrosion resistance, but salt air near the water shortens its life if not inspected regularly.
- DuraFlex 304 Flexible Chimney Liner: Heavier stainless with better corrosion resistance. We recommend this for homes within a half-mile of Boston Harbor, where salt exposure is constant.
- DuraFlex Pro: Pre-insulated liner system. We service and install these in exterior masonry chimneys where cold flue temperatures cause condensation and draft loss.
- DuraFlex Aluminum Flex Liner: For gas appliances only. Never for wood-burning applications. We stock this for gas furnace and water heater venting retrofits.
We stock common DuraFlex liner diameters and connector components on our trucks, so most installs and repairs do not require a second trip. Genuine clamps, top plates, rain caps, tees, and drip-free connectors. If a part is not on the truck, we source it directly from our local supplier, usually within one business day.
We Also Service These Brands
DuraFlex is a big part of our liner work, but it is not the only brand we trust. We also install and service HeatShield cerfractory coating systems for flues that need a seamless, cast-in-place liner, and we work with Gelco chimney caps and chase covers. If your chimney has a different liner brand or no liner at all, we can help. Call (781) 277-4630 and describe what you have.
FAQs - DuraFlex Chimney Cleaning Service in Quincy
Look at the exterior of your chimney near the top plate and at any metal flashing or caps. White or rust-colored streaking, flaking metal, or a rust stain on the attic ceiling near the chimney are the early signs. Inside, a corroded liner may cause draft problems, back-puffing, or a persistent smoke smell. The only way to know for sure is a Level 2 camera inspection, which we do on every liner call. Call (781) 277-4630 to schedule one.
A kinked DuraFlex liner cannot be straightened reliably. The corrugated stainless has been permanently deformed, and any attempt to pull it back into round weakens the metal and leaves a restriction that traps creosote and kills draft. The honest fix is replacement with a properly sized liner routed through the flue without sharp bends. We will show you the kink on camera before we recommend anything.
Yes. A DuraFlex liner needs a cap that seals correctly to the liner’s top plate and is sized for the liner’s diameter. Using a generic cap or leaving an old clay flue cap in place creates gaps that let rain, birds, and cold air into the system. We stock genuine DuraFlex rain caps and top plates in common diameters and install them as part of the liner job.
No. Aluminum flex liners are for gas appliances only. Wood-burning fireplaces and inserts reach temperatures that will degrade aluminum and create a fire hazard. If you have an aluminum liner on a wood-burning appliance, it needs to be replaced with a stainless 316L or 304 liner before you burn again. We see this mistake in older Quincy conversions where someone did the work themselves or used the wrong contractor.
The corrugations create turbulence in the flue gas, which slows the draft and gives creosote more surface area and more time to condense. A smooth clay flue has less surface friction and less turbulence. The fix is not chemical; it is Chimney Cleaning & Sweep with mechanical rotary cleaning using cables sized for the liner’s diameter, done once a year or more often if you burn green wood or softwood. Call (781) 277-4630 to schedule a proper rotary sweep.
A standard DuraFlex chimney cleaning in Quincy, with a Level 2 camera inspection included, typically runs $189 to $279 depending on liner length, creosote loading, and access from the roof or the firebox. The price we quote on the phone is the price on the invoice; no trip charge applies for calls inside our service county. Call (781) 277-4630 for an exact quote - estimates are free.
Book Your DuraFlex Service in Quincy, MA
Wendell Pike and his crew have been servicing DuraFlex liners in Quincy since 1999, and also provide Duraflex service in Randolph. A live person answers our phone around the clock, and the price you hear upfront is the price you pay. Call (781) 277-4630 to book your DuraFlex cleaning, inspection, or liner replacement. If it does not need cleaning, we will tell you that too.
Written by Wendell Pike, Owner at Top Hat Chimney, serving Quincy, MA since 1999.





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