A Hearthstone company - serving Attleboro, MA

DuraFlex Chimney Cap & Crown Nationwide

Every visit starts with

Level 1 sweep and inspection to the NFPA 211 annual standard - flue, crown, cap, and flashing checked and photographed

Worth knowing

Chimney sweep logs do not sweep chimneys. They loosen some creosote - which then falls where a brush and vacuum still have to collect it.

Styles & brands we work with

Sweep & inspection
Sweep & inspection
Caps & crowns
Caps & crowns
Flue relining
Flue relining
Masonry repair
Masonry repair
Gas fireplace service
Gas fireplace service

Before & after – our own jobs

Before - Recent ProjectBeforeAfter - Recent ProjectAfter
Recent Project
Before - Full RestorationBeforeAfter - Full RestorationAfter
Full Restoration
Before - Complete UpgradeBeforeAfter - Complete UpgradeAfter
Complete Upgrade

DuraFlex Chimney Cap & Crown in Attleboro: What to Know First

As an independent DuraFlex service provider, we install, repair, and replace DuraFlex chimney caps and crowns throughout Attleboro and nearby Massachusetts towns. Most DuraFlex cap and crown jobs are completed in a single visit, with upfront pricing agreed before we start - the number on the estimate is the number on the invoice. We’re not the cheapest outfit in Bristol County, and we don’t try to be; we charge enough to do the job with proper parts and stand behind it for 90 days in writing.

Call (508) 545-9737

This page is for Attleboro homeowners who already have a DuraFlex chimney component - whether it’s a factory-built cap that blew off in a nor’easter, a cracked crown letting water into the flue, or a multi-flue setup that needs matching coverage. If you’re unsure what you’ve got, we’ll sort that out when we arrive. Call us at (508) 545-9737 - a live person answers, 24 hours a day.

How DuraFlex Products Fail - and How We Fix Them

  • DuraFlex SW factory-built caps lose their mesh screening in Attleboro’s freeze-thaw cycles. The expanded stainless mesh on the SW series fatigues at the crimp points after five to seven winters, opening gaps that let squirrels and starlings nest in the flue. We replace with OEM-spec DuraFlex mesh or, when the frame is still sound, fit a Gelco stainless screen overlay that outlasts the original.
  • DuraFlex Pro multi-flue caps develop corner-seam separation because the Pro series uses a single-piece stamped lid that flexes under heavy snow load. The 304 stainless holds, but the spot-welded corners crack where the lid meets the skirt. We’ve repaired dozens of these in Attleboro’s older neighborhoods - the colonials near Woodcock Reservoir seem to catch the worst drift. We either re-weld with TIG and seal, or source a replacement Pro cap with reinforced corner gussets.
  • DuraFlex crown coating (the factory gray elastomeric) chalks and cracks on south-facing chimneys in Attleboro inside of four years. UV exposure on roofs without tree cover degrades the factory coating faster than DuraFlex’s published specs suggest. We strip to bare concrete, then apply HeatShield CrownCoat in two passes - it bonds better and carries a longer field track record in New England sun.
  • DuraFlex DW double-wall caps suffer creosote bridging when the inner wall clearance is compromised by improper cap height. The DW series needs exactly 3/4 inch of exposed inner wall above the outer jacket for proper draft; caps installed too low create a cold spot where creosote plates across the flue opening. We measure with a depth gauge, then install a spacer or replace with the correct DW cap height.
  • DuraFlex chase covers (the galvanized line, not stainless) rust through at the drip edge in Attleboro homes with asphalt shingle runoff. The galvanized coating lasts eight to ten years in this climate, then the pan edge pinholes and stains the chimney face. We replace with 304 stainless or copper from Copperfield - never another galvanized pan - and extend the drip edge to clear the shingles.

Our DuraFlex Chimney Cap & Crown Process

  1. 1
    Call and schedule. A live person answers, asks what you’re seeing, and books a window. We don’t give blind quotes over the phone - we need eyes on it.
  2. 2
    Level-2 camera inspection. Our tech arrives uniformed and background-checked, sets up the camera, and documents the cap, crown, and flue condition. You see the photos on the spot; we explain what we’re looking at in plain English.
  3. 3
    Parts decision. If it’s a stock DuraFlex cap, we carry common sizes on the truck. If it’s discontinued or custom, we source OEM or quality aftermarket - Gelco for mesh, HeatShield for coating, Olympia Chimney for specialty flue adapters. We tell you which we’re using and why, with pricing before any work starts.
  4. 4
    The repair or replacement. Most DuraFlex cap and crown jobs finish in two to four hours. We use proper fasteners (never sheet-metal screws into brittle crown concrete), seal with high-temp silicone rated for the application, and verify clearances on multi-flue setups.
  5. 5
    Post-job test and documentation. We run a draft test, check for leaks with a water hose (weather permitting), and email you the photos and a written summary. The 90-Day Done Right Promise goes into effect immediately - in writing, no arguing.
  6. 6
    Cleanup and walkthrough. We haul away the old cap or crown debris, sweep the roof and ground, and review the work with you before collecting payment. No surprises on the bill.

What DuraFlex Chimney Cap & Crown Costs in Attleboro

Service Typical Range
DuraFlex cap replacement (standard single-flue, stainless) $280 - $450
DuraFlex Pro multi-flue cap repair (corner weld + seal) $340 - $520
DuraFlex Pro multi-flue cap replacement $480 - $750
Crown coating (HeatShield over DuraFlex base, up to 24″ x 24″) $420 - $680
Crown rebuild (partial, with DuraFlex-compatible pour) $890 - $1,400
Chase cover replacement (galvanized to stainless upgrade) $650 - $1,100

What moves the price: accessibility (steep roof, multiple stories), whether the flue needs relining work discovered during inspection, and custom sizing for non-standard DuraFlex installations. We don’t upsell - if the crown can be coated instead of rebuilt, we’ll tell you, and we’ll show you the photo that proves it.

Estimates are free. Call (508) 545-9737 for an exact quote on your DuraFlex chimney cap or crown in Attleboro.

Why Attleboro Homeowners Call Hearthstone Chimney Co. for DuraFlex Work

We’ve been answering calls in this area for over 42 years - since 1984 - and we plan to be here when your next sweep is due. The 90-Day Done Right Promise means if it’s not right, we come back. No paperwork to dig up, no argument about whose fault it was.

Our techs know DuraFlex products specifically, not just “chimney stuff.” They also carry HeatShield and Gelco inventory, so when a DuraFlex part is backordered or discontinued, we have a proven alternative ready - not a substitute that voids your warranty or fails in two seasons. And a live person answers the phone every hour of every day, because chimney problems don’t wait for business hours.

Russell Haines, our owner, trained at Los Angeles Trade-Technical College before coming east and putting down roots in Massachusetts. He’s spent years working Attleboro’s older housing stock, including the colonials along the Woodcock Reservoir corridor that never seem to have had a proper sweep in a decade. The chimney doesn’t care what you paid for the house. It just needs to be right.

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