Sweep & inspection
Caps & crowns
Flue relining
Masonry repair
Gas fireplace serviceLevel 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 Inspection Across Key Biscayne
A chimney sweep in Key Biscayne typically charges $189 – $449 for an inspection depending on the level, and most visits take 45 minutes to two hours. If you haven’t had your flue looked at in years, especially in a home near the ocean, the visit usually uncovers rust, spalling clay tile, or a blocked flue that nobody knew was there. That’s exactly why we show you the camera footage before recommending a single repair. Call (850) 787-8597 to book an inspection, and we’ll give you a written price before any work begins.
Key Biscayne is different from the mainland. Salt spray, tropical humidity, and decades of rarely used fireplaces combine to create chimney problems that look invisible from the living room. Our crews know the island’s housing stock, from 1950s ranch homes on Mashta Island to the newer luxury builds along Crandon Boulevard and Ocean Lane Drive. We coordinate scheduling from our Miami office, but the technicians who arrive at your door in Key Biscayne know exactly what they’re walking into.
Why Ashby Chimney Miami Is Key Biscayne’s Preferred Chimney Inspection Company
We have inspected chimneys on Key Biscayne since 2002, which means we have seen what salt air does to dampers, crowns, and clay flue liners over two decades of island weather. Homeowners here tend to ask the same question: “The fireplace looks fine, so why do I need an inspection?” Our answer is always the same: because the damage is inside the flue, not on the mantel. We document everything with a camera, and you see the images yourself.
Every inspection in Key Biscayne is performed by a background-checked, uniformed technician who arrives within the scheduled window. We do not send salespeople. The person who inspects your chimney is the same person who explains what they found, and if a repair is recommended, we show you the footage and give you a written price before any work starts. That price does not change at the door.
Most Chimney Inspection work here falls into two categories: homes being sold or bought along the Rickenbacker Causeway corridor, and long-time residents who just bought their first fire pit or decided to use a fireplace that hasn’t been lit since the 1990s. In both cases, the written report matters. Real estate transactions on Key Biscayne often require a Level 2 inspection, and we provide the documentation lenders and buyers need, clearly written and camera-backed.
Styles & brands we work with
Chimney Fire in Key Biscayne
A chimney fire in Key Biscayne is what happens when creosote, debris, or a compromised flue liner allows flame and heat to reach combustible parts of the home, and it’s more common here than people assume because salt-corroded dampers and clay tile spalling create gaps where heat can escape. We approach every chimney fire call on the island as an investigation first: find the cause, document the damage with camera evidence, and only then discuss repair options. You will never hear us recommend a liner replacement without seeing the footage yourself.
Most chimney fires in Key Biscayne happen in homes where the fireplace hasn’t been used in years. A rusted damper gets forced open, a fire is lit, and the compromised flue does what damaged flues do. The fix usually involves the flue system, not the firebox. A typical chimney fire inspection and smoke chamber assessment runs $220 – $380, and full liner replacement using HeatShield or DuraFlex materials typically starts around $2,800 and goes up based on flue height and access.
Nathan Corliss, who leads Ashby Chimney Miami, says the biggest mistake Key Biscayne homeowners make after a chimney fire is trusting a verbal “it’s fine.” It isn’t fine until a camera proves it’s fine.
Rusted Dampers and Salt-Corroded Flue Tiles
We see this constantly on Key Biscayne. Homes near the ocean, particularly along the eastern side of the island and near Bill Baggs Cape Florida State Park, have dampers that seize from salt exposure. The homeowner can’t open them, so they don’t burn, and the chimney sits unused for another decade. The flue tiles above the damper are often spalling by then, with chunks resting on the smoke shelf.
Here’s the thing: a damper that cannot be opened isn’t just inconvenient. It changes the chimney’s draft characteristics and can trap moisture in the flue. The good news is most rusted dampers in Key Biscayne homes can be replaced with a top-sealing damper that resists salt corrosion far better than the original throat damper. That repair typically runs $450 – $800 and takes one visit.
Camera Evidence Before Any Repair Recommendation
On Key Biscayne, we do not recommend a liner replacement, crown rebuild, or any repair over $200 without putting a camera up the flue and showing you the images. This isn’t theater. It’s the only honest way to work on an island where so many chimneys look fine from the hearth and are falling apart inside. If we recommend a HeatShield resurfacing, you will have seen the spalled tiles and cracked mortar with your own eyes before the proposal comes out.
Level 2 Chimney Inspection in Key Biscayne
A Level 2 chimney inspection in Key Biscayne is the camera-backed evaluation required during real estate transactions, after a chimney fire, or after a major weather event, and it typically runs $299 – $449 on the island. It includes everything in a Level 1 visual check plus a video scan of the entire flue interior, from the firebox to the chimney cap. If you are buying or selling a home on Key Biscayne, this is the inspection that finds the salt-corroded liner or rusted damper a standard visual check misses.
We do more Level 2 inspections on Key Biscayne than almost anywhere else in our service area, because so many island homes change hands and because the tropical maritime climate is hard on masonry. A Level 1 inspection alone may not reveal internal flue tile spalling behind decades of accumulated soot and salt. The camera does.
Real Estate Transactions on the Island
Buyers and sellers in Key Biscayne increasingly request a Level 2 inspection as a condition of closing. The older ranch homes built in the 1950s and 1960s, especially west of Crandon Boulevard and on Mashta Island, often have original clay tile flues that have never been replaced. A written inspection report with camera findings gives both parties an honest picture of what the chimney needs.
We schedule these inspections quickly, and because we’re based just across the causeway, we can usually get to Key Biscayne within a few business days. Call (850) 787-8597 and tell us it’s for a real estate closing. We’ll move it up the list.
After Tropical Storms and Heavy Rain Events
Tropical systems hit Key Biscayne directly. A Level 2 inspection after Hurricane Idalia, Nicole, or any strong storm that brought wind and water over the island tells you whether the chimney crown, cap, and flue are still intact. Salt-heavy rain accelerates mortar degradation, and we have found cracked crowns and water-damaged smoke chambers in homes where the owner had no idea water was getting in.
Trusted Brands We Service in Key Biscayne
When repairs are actually needed, we use flue systems and materials from brands that hold up in a marine environment, not whatever happens to be on the truck. For chimney fires and liner repairs in Key Biscayne, we stock HeatShield resurfacing systems and DuraFlex stainless steel liners, which resist the same salt-driven corrosion that destroys original clay tile. We also work with Copperfield dampers for rusted damper replacement, and Gelco chimney caps that stand up to intense sun and salt spray better than thin gauge metal. Parts for Key Biscayne jobs are staged ahead of the visit, so we are not making a second trip across the causeway for a missing component.
Common Chimney Inspection Problems We See in Key Biscayne Homes
- Rusted dampers that have not moved in decades. Salt air seizes the damper plate, and the fireplace sits unused, which means homeowners never learn what’s happening inside the flue until an inspection happens. We replace seized dampers with corrosion-resistant models that actually open and seal.
- Spalled clay flue tiles hidden beneath the cap. Older Key Biscayne homes have original terra cotta flue liners that crack and shed under years of humidity and salt exposure. The fireplace looks pristine from the living room, but the flue is shedding chunks onto the smoke shelf.
- Birds and debris blocking unused flues. Warm-climate complacency means chimneys on Key Biscayne often go years without a cap repair or flue check, which invites nesting birds and debris accumulation. The first fire after a long hiatus pushes smoke back into the home because the flue is partially blocked.
- Crumbling mortar joints from oceanfront exposure. Salt-caked mortar between exterior bricks loses its bond over time, and heavy summer rains enter through the gaps, soaking the firebox and causing hidden mold inside the chase. We find this on homes within a few blocks of the water, all over the island.
See the difference
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AfterPricing for Chimney Inspection in Key Biscayne, FL
A Level 1 chimney inspection in Key Biscayne runs $189 – $249. That’s a visual check of the firebox, damper, cap, and accessible flue from below and above, no camera. A Level 2 inspection with a full flue video scan runs $299 – $449 and is what we recommend for any buyer, any post-storm check, and any fireplace that hasn’t been used in five years or more. A Level 3 inspection, which requires opening a wall or chase to access concealed flue sections, runs $800 – $1,800 depending on access, and we rarely recommend it unless a Level 2 camera scan indicates a safety concern that cannot be evaluated any other way.
What affects the price on Key Biscayne? Roof pitch and height, because many island homes have steep multi-story rooflines. Flue height and the number of flues. Condition of the cap and crown. The coastal exposure, if we need to account for salt-caked mortar during a visual evaluation. You will get a written price before any inspection begins, and the number on that sheet is the number you pay. Call (850) 787-8597 for a free estimate and we’ll walk you through exactly what your home needs.
We Also Serve Cities Near Key Biscayne
Our crews cover Key Biscayne, plus Chimney Inspection in Key Biscayne and the nearby areas across the causeway including Miami, Hialeah, and North Miami Beach. If you’re on the mainland and need a camera-verified inspection, the same written-price promise and camera-before-repair standard applies everywhere we go.
Serving Key Biscayne, FL - Our Local Coverage Area
We’re based in the Key Biscayne 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 About Chimney Inspection in Key Biscayne
Even if you never light a fire, you should have the chimney inspected every three to five years on Key Biscayne because salt air and humidity damage flue liners and dampers regardless of use. If the home is within a few blocks of the ocean or has a clay tile flue from the 1950s or 1960s, every two to three years is more appropriate. Unused chimneys are where we find birds, debris, and rusted dampers that have never been discovered because nobody looked. Call (850) 787-8597 and we’ll schedule it around your routine.
Salt air matters because ocean spray carries chloride ions that penetrate porous masonry and accelerate corrosion in metal dampers, fasteners, and steel flue liners while weakening the bond in clay mortar joints. On Key Biscayne, homes east of Crandon Boulevard and near the oceanfront get the heaviest exposure, and we consistently find rusted damper plates and crumbling mortar in chimneys that are only twenty or thirty years old. A camera inspection reveals this damage early. If you wait until you can see it from the ground, the repair is usually bigger.
A Level 2 inspection includes everything in a Level 1 visual check plus a full video scan of the entire flue interior, from smoke shelf to cap, with documented findings and a written report. On Key Biscayne, this is the inspection we recommend for home purchases, post-storm assessments, and any fireplace that hasn’t been used in years. You’ll see the camera footage yourself. We don’t hand you a repair quote without showing you exactly what the camera found, in plain language.
Most rusted dampers on Key Biscayne need replacement because the salt corrosion has seized the plate or eaten through the hinge mechanism, and a repair simply doesn’t hold in a marine environment. We install top-sealing dampers from Copperfield, which close tightly from above and resist salt corrosion far better than original throat dampers. The replacement typically runs $450 – $800 and takes one visit. Call (850) 787-8597 for a written quote before any work begins.
Yes, a chimney fire is a real risk in Key Biscayne precisely because fireplaces are rarely used, since rusted dampers, spalled flue tiles, and bird debris accumulate undetected for years and compromise the flue’s ability to contain heat and flame. The first fire after a long hiatus, especially in an older home with an original clay tile liner, is the highest-risk moment. If you’re planning to light the fireplace for the first time in years, get the flue camera-scanned first. It costs less than $449 and it tells you exactly what’s up there.
Get Your Chimney Inspected Before You Light It
If you own a home on Key Biscayne and you have not had the chimney looked at in years, or you’re about to close on a property on the island, now is the time. We’ll show up when we said we would, put a camera up the flue, and show you exactly what we see, good or bad. No scare tactics, no invented repairs. Just straight talk and camera evidence. Every inspection comes with a written price before we start and a written guarantee on any repair we complete, backed by the 365-Day Done Right Promise: if it isn’t done right, we make it right. Call (850) 787-8597 now to book your Chimney Inspection and we’ll get you scheduled.
Written by Nathan Corliss, Owner at Ashby Chimney Miami, serving Key Biscayne since 2002.