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.
Fast, Reliable Chimney Cap & Crown Across Woodbury
Chimney cap and crown repair in Woodbury typically runs $280-$1,850 depending on whether you’re replacing a single prefab cap or addressing multiple flues on a center-hall colonial, and most jobs are completed in one visit with upfront pricing agreed before we start. We’re Hearthstone Chimney Co., and our Chimney Cap & Crown crews have been making the trip out to Woodbury from our New York City office for decades. We know the difference between a masonry chimney on an expanded ranch off Jericho Turnpike and the factory-built chase systems that came standard in the colonials near Woodbury Road and Syosset. Call (934) 348-4832 - a live person answers, 24 hours a day.
Why Hearthstone Chimney Co. Is Woodbury’s Preferred Chimney Cap & Crown Company
We’ve worked in Woodbury long enough to recognize the build years without pulling the permit card. The center-hall colonials and expanded ranches from the 1970s and 1980s dominate this market, and they were sold with fireplaces as luxury amenities - two or three per house, all factory-built zero-clearance units with metal chase covers and galvanized cap screens. That specific housing stock creates a specific repair pattern, and we’ve documented hundreds of them.
Our technicians carry Level-2 inspection cameras, and every Woodbury homeowner gets photos they can see plus a plain-English verdict on what’s actually wrong. No guessing. No pushing work that can wait. The 90-Day Done Right Promise applies to every job - in writing, no arguing. If it’s not right, we come back. Background-checked, uniformed techs; most jobs done in one visit. That’s the Keystone Standard we’ve operated under since 1984.
Our Chimney Cap & Crown Services in Woodbury
Cap Installation
New cap installation in Woodbury usually means one of two things: a missing cap on an active flue that needs immediate protection, or a cap on a newly converted gas insert that wasn’t there before. On the prefabricated systems common in Woodbury’s 1980s colonials, we install caps that match the chase dimensions exactly - Gelco and Olympia Chimney make the stainless-steel and copper models we specify most often for this market. A proper cap keeps Long Island Sound’s salt-laden rain out of your chase and off your firebox panels.

Cap Replacement
Cap replacement is the bulk of our Woodbury calls. The galvanized chase covers and cap screens installed on original factory-built units have a finite lifespan, and in Woodbury that lifespan is shorter than inland because of the maritime air. We regularly find rusted-through screens and separated seams on houses barely 40 years old. We replace with professional-grade materials - stainless or copper, never builder-grade galvanized - sized to your chase and flue count. One call to (934) 348-4832 gets you an exact quote; estimates are free.

Crown Repair
The masonry crown on a brick chase takes a beating in Woodbury winters. Hard freeze-thaw cycling opens cracks, and those cracks become funnels for water that rots the chase framing, rusts the damper, and stains the firebox. We assess crown damage with camera inspection before recommending anything. When the spalling is localized and the structural integrity is sound, we coat with HeatShield crown repair material rather than rebuilding - a significant cost savings when the condition allows it. We show you the photos and explain which path makes sense.

Crown Coating
Crown coating is our preferred preservation play for Woodbury masonry chimneys that are sound but showing early wear. The HeatShield system we apply forms a flexible, waterproof membrane over existing concrete or mortar crowns, sealing hairline cracks before they widen into spalling. It’s not a fix for a crown that’s already failed structurally, but for the colonial with minor cracking and good underlying condition, it’s a cost-effective way to add years of service. We coat, we document, and we tell you honestly when it’s time to rebuild instead.

Multi-Flue Cap
Here’s where Woodbury’s housing stock really drives the work. Those center-hall colonials with two or three factory-built fireplaces - living room, family room, master suite - often share a common chase or a grouped flue arrangement. Three separate caps means three separate failure points, three separate water entry paths, and three separate service calls. A multi-flue cap covers the entire assembly with one engineered unit, one screen profile, and one point of maintenance. We fabricate and install multi-flue caps from Gelco and Olympia Chimney that match your chase footprint exactly. One visit, one solution, one bill.

Custom Cap
When a standard catalog cap won’t fit your chase dimensions or your flue spacing, we go custom. Copperfield and Famco supply the materials for our custom fabrications - stainless, copper, or black galvanized when the application allows. On Woodbury’s larger properties with architectural chimneys or non-standard chase builds, custom is often the only path that actually seals and vents correctly. We measure, we fabricate, we install. Photos at every step.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Woodbury
We don’t substitute. Every cap, crown coating, and chase cover we install in Woodbury comes from professional-grade manufacturers: HeatShield for crown repair and coating, Gelco and Olympia Chimney for multi-flue and standard caps, Famco and Copperfield for custom fabrications. These are the brands specified by technicians who plan to stand behind their work for decades - not the builder-grade substitutes that fail in five years. We stock common sizes and configurations locally, so most Woodbury jobs don’t wait on parts.
Common Chimney Cap & Crown Problems We See in Woodbury Homes
- Galvanized chase covers rust through from salt air. Long Island Sound’s maritime climate corrodes the factory-installed chase covers and cap screens on Woodbury’s prefab fireplaces faster than inland markets. We find holes and separated seams on 1980s builds that look like they’ve been through fifty winters.
- Original masonry crowns crack and spall under freeze-thaw cycling. Woodbury’s hard winters open cracks in concrete crowns, and spring rains pour through. The water rots chase framing, rusts dampers, and stains firebox panels - damage that starts at the crown but shows up downstairs.
- Multi-flue stacks have one failed cap on an abandoned flue. On colonials with gas conversions or sealed fireplaces, the cap on the unused flue rusts out unnoticed. Water enters a liner nobody checks, saturating the chase interior and accelerating decay on the active flues beside it.
- Three prefab units hit end-of-life simultaneously. Because Woodbury’s 1970s-80s center-hall colonials were built with two or three factory-built zero-clearance fireplaces apiece, the chase covers and caps on those units all age out on the same clock. A single driveway often yields a multi-flue cap and crown quote rather than a one-flue repair.
Pricing for Chimney Cap & Crown in Woodbury, NY
Here’s what cap and crown work actually costs in Woodbury’s market. Single prefab cap replacement runs $280-$550. Crown coating with HeatShield on a sound masonry crown runs $450-$780. Crown repair or partial rebuild on a cracked but structurally viable crown runs $680-$1,200. Multi-flue cap installation for two or three flues on a shared chase runs $850-$1,400. Full custom cap fabrication and install runs $1,200-$1,850. Factors that move the needle: chase height and access, number of flues, whether the crown needs coating or rebuild, and whether we’re matching existing architectural details. We agree on a flat price before we start - the number on the estimate is the number on the invoice. Call (934) 348-4832 for your exact quote; estimates are free.
We Also Serve Cities Near Woodbury
Our crews cover the full Nassau County corridor, including Chimney Cap & Crown in Woodbury and neighboring Syosset, Plainview, Old Bethpage, and Jericho. Same live-answer phone, same upfront pricing, same 90-Day Done Right Promise. If you’re unsure whether your address falls in our service radius, call and we’ll tell you straight.
Serving Woodbury, NY - Our Local Coverage Area
We’re based in the Woodbury area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - Chimney Cap & Crown in Woodbury
Yes, because all three factory-built units were installed at the same time and their chase covers and caps are aging out on the same clock. We regularly find Woodbury colonials where one cap has already failed and the other two are rusted through but haven’t started leaking yet. Catching them together saves you a second service call and prevents the water damage that follows. Call (934) 348-4832 to schedule a full inspection; estimates are free.
Your 1970s or 1980s colonial has endured forty-plus years of Nassau County’s hard freeze-thaw cycling, and the original concrete crown was never designed to last forever. Newer developments use different crown formulations and construction methods. Salt-laden air from Long Island Sound accelerates the mortar joint erosion that undermines crown integrity. We assess with camera inspection and recommend coating or rebuild based on actual condition, not age alone. Call (934) 348-4832 for an exact diagnosis; estimates are free.
Yes, and you should. A gas-converted factory-built fireplace still vents through the original chase, and an uncapped flue lets rain and debris enter the system. We install caps sized for reduced gas venting requirements that still protect the chase interior. On Woodbury’s multi-flue colonials, we often cap converted flues as part of a multi-flue assembly that covers the entire chase. Call (934) 348-4832 to discuss your specific conversion; estimates are free.
A multi-flue cap eliminates the gaps between individual caps where water and animals enter, reduces your maintenance points from three to one, and typically costs less than three separate custom installations. On Woodbury’s center-hall colonials with grouped flues, it’s often the only configuration that actually sheds water off the chase rather than channeling it between caps. We measure your chase and show you both options. Call (934) 348-4832 for a comparison quote; estimates are free.
Usually both are contributing, and we determine the primary path with camera inspection. A cracked crown lets water into the chase structure; a missing or failed cap lets it pour directly down the flue. In Woodbury’s prefab systems, the two problems often coexist because the same salt air and freeze-thaw cycling damages both components. We photograph the entire system and give you a plain-English verdict on which repair stops the leak. Call (934) 348-4832 to schedule; estimates are free.
On a colonial off Woodbury Road, our tech found three factory-built units - living room, family room, and master suite - all installed in the same 1980s build, with rusted-through chase covers, a cracked crown on the masonry chase, and corroded cap screens letting water into two fireboxes. We replaced all three caps with a single multi-flue assembly and a custom Copperfield cap, then coated the spalled crown with HeatShield crown repair rather than rebuilding it. One visit, three systems brought back into service. Done right - and we stand behind it.
Ready to protect your chimneys before the next hard freeze? Call Hearthstone Chimney Co. at (934) 348-4832. A live person answers 24 hours a day, 7 days a week. We’ll schedule your free estimate, show up when we say, and give you photos you can see plus a plain-English verdict. No surprises on the bill. The 90-Day Done Right Promise: in writing, no arguing.
Written by Russell Haines, Owner at Hearthstone Chimney Co., serving Woodbury and Nassau County since 1984.





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