A Top company - serving Commack, NY

HeatShield 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

HeatShield Chimney Cap & Crown in Commack: What to Know First

HeatShield chimney cap and crown work in Commack is repair we do regularly, usually within a week of your call. A crown recoat with HeatShield’s Cerfractory sealant typically runs $350 to $600; a full cap replacement, depending on flue count and metal choice, lands between $450 and $1,100. This page is for Commack homeowners who already have a HeatShield product on their chimney and want straight answers about what’s failing, what it costs, and whether it can wait. Call (631) 502-3612 and you’ll get Wendell or someone who works right beside him, not a call center.

Call (631) 502-3612

How HeatShield Products Fail - and How We Fix Them

  • Cerfractory crown coating cracking at the edges. HeatShield’s crown sealant is good material, but Commack’s freeze-thaw cycles work on it year after year. Water gets into hairline cracks, freezes, widens them. In Burr Farms especially, where chimneys catch full western exposure, we see crowns where the coating has separated from the masonry underneath. Fix: we grind the old surface clean and recoat, making sure the drip edge is built out so water sheds away from the flue tile.
  • Cap legs loosening on HeatShield’s stainless multi-flue caps. The factory hardware is fine, but it’s stainless against stainless, and wind vibration off the Sound shakes things loose. We find caps shifted half an inch off center, letting rain angle down one flue. Our fix is a remount with fresh hardware and, where the bolt pattern allows, a bead of high-temp silicone at the leg bases. It costs less than the water damage it prevents.
  • Mesh screening clogging on HeatShield caps over active wood-burning fireplaces. HeatShield’s screen mesh is fine enough to block sparks, which means it’s also fine enough to hold creosote. In Commack, where plenty of homes burn oak and maple through January, a cap can go from clear to half-blocked in one season. When we’re on the roof for a sweep, we wire-brush the screen. If it’s warped or rusted through at the frame, replacement is the honest call, not a patch.
  • Cast-in-place crown flaking around the flue opening. Older HeatShield crowns, particularly the ones poured before their current Cerfractory formulation, lose surface material around the flue tile joint. That’s the first place water sneaks in. We see it most on Commack chimneys built in the 1970s and 1980s. Repointing won’t hold. The crown needs grinding and a full recoat with the current material.
  • Single-flue cap bases rusting at the screen frame. HeatShield’s budget single-flue caps use a galvanized base ring under a stainless lid. The lid outlives the base. On Commack homes within a mile of the water, salt air accelerates that base rust. We replace the whole cap with a fully stainless unit when the base shows pitting, because a new lid on a corroded base is money wasted.

Our HeatShield Chimney Cap & Crown Process

  1. 1
    You call (631) 502-3612. Wendell or someone on his crew answers. We ask what you’re seeing: water staining, rust marks, a cap that’s missing or canted. Then we book a window that holds.
  2. 2
    We get on the roof and look. No phone estimate that changes when we arrive. The price you hear before tools come off the truck is the price on the invoice. We photograph everything.
  3. 3
    We show you what we found. Camera footage and a plain-English verdict, every time, no exceptions. If the crown is sound and the cap just needs reseating, we’ll say so and charge accordingly. If it does not need doing, Wendell will be the first one to tell you.
  4. 4
    Parts decision. HeatShield makes good material. Where OEM parts are available at a sensible price, we use them. Where the aftermarket equivalent is fully stainless and carries a better warranty, we tell you that too and let you choose.
  5. 5
    The work. Crown repair means grinding, masking, and coating. Cap work means mounting, leveling, and sealing. We clean the work area before we leave.
  6. 6
    The 90-Day Done Right Promise. Written on every job. If something’s not right, one call brings us back at no charge.

What HeatShield Chimney Cap & Crown Costs in Commack

Job Typical Range
Crown recoat, single flue (HeatShield Cerfractory) $350-$600
Full crown rebuild (forms poured, cured, coated) $900-$1,800
Single-flue stainless cap replacement $450-$750
Multi-flue stainless cap, custom size $800-$1,400
Cap reseat and reseal (no new parts) $150-$300

What moves the price: roof pitch, chimney height, whether we need a lift or staging, and flue count. Commack’s split-levels and ranches are usually straightforward; the taller two-story colonials around Burr Farms add ladder time. We give you a flat number before work starts, and estimates are free. Call (631) 502-3612.

Why Commack Homeowners Call Top Hat Chimney for HeatShield Work

We’re the local shop, not a franchise that rotated in last spring. Wendell Pike has been running crews through Suffolk County since 1999, and he has spent enough time on Commack roofs to know which chimneys catch the worst weather and which ones just need a good sweep. If your HeatShield cap is fine and the real problem is a flue that hasn’t been cleaned in five years, we’ll tell you that and save you the cap money. If we find something worth fixing, the price is on the table before the work starts, and the 90-Day Done Right Promise is on paper when we finish. We also service DuraFlex and Gelco products, so if your liner or cap setup mixes brands, we’re not scratching our heads about it.

FAQs

Need Chimney Cleaning help in Commack? Licensed & insured · Photo-documented response · free estimates
Call (631) 502-3612
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