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 Cap & Crown in Yonkers: What to Know First
DuraFlex chimney cap and crown work in Yonkers typically runs $340-$1,100 depending on whether we’re replacing a cap, rebuilding a damaged crown, or doing both. We’re an independent DuraFlex service provider, not a factory warranty station, and we stock or can source the parts most Yonkers homes need within a few days. You’ll get a written price before any work starts, a camera record when the job is done, and a 365-day guarantee on the repair itself. This page is for homeowners in Yonkers, Bronxville, Hastings, and the surrounding neighborhoods who already own a DuraFlex system and need someone who actually knows how these parts fail. Call (551) 212-3526 and Corrine Halstead or one of our techs will answer live.
How DuraFlex Products Fail - and How We Fix Them
Most people think a chimney cap just keeps rain out. It does more. It keeps animals out, prevents downdrafts, and protects the crown below it. DuraFlex makes good products, but every brand has weak points that show up after five or ten winters of Yonkers weather.
- DuraFlex Standard Caps with galvanized mesh sides. The mesh corrodes first, especially within a mile of the Hudson River where salt air pushes through every fall and winter. We see mesh pulled away from the cap frame on Yonkers riverfront homes where it’s only been installed for six or seven years. The fix is usually a full cap replacement with a stainless mesh upgrade, not a patch.
- Custom multi-flue DuraFlex caps. On older Yonkers colonials with two or three flues, the custom cap mounting brackets are the failure point. The cap itself holds up fine. The bracket loosens over repeated freeze-thaw cycles, and the first sign is a rattle on windy nights. We re-seat the bracket and torque it, or we replace it with an aftermarket bracket that’s slightly oversized for the crown. This is a $160-$260 fix most weeks.
- Crown cracking above DuraFlex liners. This one surprises people. The crown is concrete, not part of the DuraFlex liner system itself, but a failing crown lets water track down the outside of the liner. We see hairline crown fractures on Yonkers homes where the crown was poured without enough slope away from the flue opening. Water pools, freezes, and by March the crack has opened up. We rebuild the crown with proper slope and a flexible acrylic crown coat or use a HeatShield crown seal product.
- DuraFlex liner-to-cap connection gaps. On factory-installed systems where the cap was not re-seated after it was taken off for sweeping, the cap collar shifts slightly. You get a small gap between the cap base and the liner top. Smoke leaks, CO risk rises, and you see it on the camera before you smell it. We re-seat and seal the connection, and we photo it before and after.
- Delaminating crown coatings over DuraFlex flue openings. If a previous contractor put a cheap brush-on crown sealer over an unsealed crown, it peels after 12 to 24 months. Yonkers homeowners call us thinking the crown itself failed. It didn’t. The coating failed. We strip the loose layer, inspect the crown underneath, and either re-coat with a quality acrylic or rebuild if we see real spalling. The camera tells us which.
Our DuraFlex Chimney Cap & Crown Process
- 1
You call and talk to a person. No voicemail trees. We ask about the symptom: rattle, leak, visible rust, water in the firebox, or a camera finding from another sweep.
- 2
We run the camera before touching anything. NFPA 211 Level 2 is our default on every DuraFlex job. We look at the cap, the crown, and at least the top eight feet of liner below the opening.
- 3
You get a written scope and price. We name the part, the brand, why we’re choosing it (OEM vs. aftermarket), and the cost. Nothing starts until you agree to the number on paper.
- 4
We do the work. Cap replacement, crown rebuild, coating, re-seating, sealing. Our techs carry the common DuraFlex cap sizes and fasteners, so most jobs are one visit.
- 5
We camera the finished work. Before and after photos, same angles, so you see what changed.
- 6
You leave with a documented record. Photos, a written warranty, and Clause 4 of the Haven Standard satisfied. If anything’s not right within 365 days, we come back and fix it.
BeforeAfterWhat DuraFlex Chimney Cap & Crown Costs in Yonkers
Here’s what we’ve been quoting on DuraFlex work across Yonkers in the last year.
- Standard one-flue cap replacement (DuraFlex-compatible stainless): $340-$520 installed
- Multi-flue custom cap or bracket repair: $390-$780 installed
- Crown repair with flexible acrylic coating (minor cracking): $420-$680
- Full crown rebuild with proper overhang and slope: $780-$1,150
- Liner-to-cap re-seat and seal (no parts replacement): $160-$260
What moves the number: roof pitch and height, how many flues, whether the crown needs patching or a full pour, and whether you want stainless mesh or a cheaper galvanized option. Galvanized mesh saves money now and rusts faster. We don’t recommend it. A written price is always delivered before work begins. Call (551) 212-3526 and tell us what you’re seeing. The estimate is free.
Why Yonkers Homeowners Call Level Two Chimney Yonkers for DuraFlex Work
Most chimney companies will happily cap and crown any brand. Very few can tell you why a specific DuraFlex cap failed after seven winters, or which aftermarket mesh will hold up better near the river, or whether your crown crack is actually just a bad coating from a previous job. We can. Corrine Halstead has been running cameras up and down stacks from the Bronx line up through Hastings and Dobbs Ferry for the better part of two decades. The camera doesn’t lie, and neither does the quote. If a DuraFlex part is backordered, we carry equivalent caps and coatings from HeatShield and Gelco that meet the same job requirements, and we’ll tell you that on the quote before we order anything. Every job is backed by the 365-Day Done Right Promise. We answer the phone 24/7, and a named technician arrives on schedule - with a license number, a text when they’re on the way, and a written price before anything gets touched.
FAQs
No, you don’t have to use a DuraFlex cap. If you’re the original owner with the manufacturer’s warranty still in force, sticking with OEM parts keeps the warranty clean. If your warranty is expired, a high-quality stainless aftermarket cap will usually perform as well or better than the original, at 20 to 30 percent lower cost. We’ll show you both options on a written quote and tell you what we’d put on our own house.
Look for hairline cracks wider than a credit card edge, spalling (chunks of concrete flaking off), or a crown edge that sits flush with the brick instead of hanging over it by an inch or more. Any of those means the crown has failed and patching won’t hold. We run the camera across the crown surface on every inspection and you’ll see the photos. If it can be saved with a coating, we say so. If not, we write the price for the rebuild.
Yes. Steep-pitch roofs on older Yonkers colonials and riverfront hills are common for us. Our techs are trained for rope work and high-reach work, and they inspect the crown with a camera from the roof line before we even quote the job, so the written price accounts for difficulty from the start.
Most cap-only replacements and re-seats are done within a week of the first call, often faster. Multi-flue custom caps and full crown rebuilds run to two or three weeks depending on part availability. You’ll have a scheduled date and a written price before we order anything, and a named tech assigned to the job.
It covers the workmanship and the parts we install. If the cap leaks, the bracket shakes loose, or the crown coating fails within a year, we come back and correct it at no charge. The warranty document is included with your written record when we finish, with the date and the specific work performed.
Written by Corrine Halstead, Owner, Level Two Chimney Yonkers at Level Two Chimney Yonkers, serving Yonkers and nearby areas.
Ready for a written price on your DuraFlex cap or crown? Call (551) 212-3526 today and talk to someone who’ll actually look at it.