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.
Olympia Chimney Chimney Cap Installation: The Miami Owner’s Guide
A new Olympia Chimney chimney cap, installed at a Miami home, typically runs $285 – $520 depending on the cap size, flue dimensions, and whether we’re doing a straight swap or fabricating an adapter bracket. We stock Olympia Chimney caps and universal-fit equivalents on the truck for most single-flue and multi-flue masonry chimneys, so many jobs are done in a single visit. Most Miami homeowners discover the problem the same way: rust flakes on the hearth, water staining on the ceiling near the chimney chase, or a cap that’s visibly leaning after a summer thunderstorm. The cap sits at the very top of your chimney system, and when it fails, everything below it starts taking on water and humidity.
Key takeaways for Miami owners:
– We install Olympia Chimney caps and quality equivalents, and we tell you which one makes sense for your flue before you spend a dollar.
– Most installed cap jobs in Miami run $285 – $520, written down before work starts.
– A failed cap is often misdiagnosed as a liner or crown problem. We camera-verify what’s actually wrong and show you the footage.
Which Olympia Chimney Models This Applies To
Olympia Chimney makes caps for two general categories: single-flue caps that mount directly to round or square clay tile liners, and multi-flue caps that cover the entire chimney crown. The model number is usually stamped on the underside of the cap’s mesh or on the mounting collar, but after a few Miami summers of salt air and humidity, that stamp is often corroded past reading. When the stamp is gone, we measure the flue opening itself: inside diameter for round tile, outside dimension for square tile, and the total crown footprint for multi-flue work.
The compatibility gotcha Miami owners hit most often goes like this: the flue tile is a non-standard size, or the mortar crown has been patched so many times that the mounting surface is no longer level. Olympia Chimney caps are built to specific dimension ranges, and forcing a cap onto the wrong flue size means a loose fit, rattling in wind, or gaps big enough for embers and rain. We stock Olympia Chimney stainless steel caps in the most common Miami sizes, and when the exact Olympia spec isn’t the right match for a weird flue, we install a quality aftermarket cap with an adapter plate and tell you why we made that call before any metal goes up.
Styles & brands we work with





Signs Your Olympia Chimney Chimney Cap Installation Is Failing
- Water stains on the ceiling or wall near the chimney. The cap’s job is to keep rain out of the flue. When the cap mesh is rusted through or the mounting collar has separated from the crown, Miami’s afternoon downpours run straight down the flue and into the masonry. The stain shows up long before the cap looks bad from the ground.
- Rust flakes or metal debris in the firebox. A galvanized or lower-grade steel cap will break down fast in South Florida humidity. The mesh develops holes, the hood corrodes, and pieces end up in the firebox. Once we see that, the cap is done.
- You hear a rattling or scraping sound from the chimney during wind. A cap that’s worked loose from its mounting bracket will move. That movement grinds against the flue tile and the crown, and every storm makes it worse. Left alone, a loose cap turns into a cap flying off the roof entirely.
- Birds, bats, or debris inside the flue. The mesh screen on an Olympia Chimney cap is what blocks animals and keeps the flue clear. When the mesh rusts out or pulls away from the frame, Miami’s grackles and squirrels find their way in. A cap with a torn screen isn’t doing its job even if the hood still looks intact.
- The cap is visibly leaning or missing hardware. Miami’s wind, especially along the coast and in open neighborhoods like Kendale Lakes or Cutler Bay, works stainless steel fasteners hard. When we see a cap leaning, the mounting hardware or the crown anchor points have already failed. The cap needs to come off before it damages the crown on the way down.
Replacement Cost & What’s Included
Here’s the straight pricing for Miami, and you’ll notice the range is tighter than most chimney work because the part cost is finite. A standard single-flue Olympia Chimney cap, installed, runs $285 – $380. Multi-flue caps covering a full crown run $420 – $520. If your flue tile is damaged or the crown is crumbling, there may be an additional crown repair line item that we’ll show you in writing before any work starts.
What that price includes: the cap itself, any stainless steel mounting brackets or adapter plates, the installation labor, a water test to confirm the seal, and camera footage of the finished install. Every cap job we do in Miami is covered by our 365-Day Done Right Promise, the written guarantee we put on every repair. If the cap fails within a year, we come back and make it right at no charge. No argument, no invoice. That’s The Garrison Standard, and it applies to a $300 cap swap the same as it does to a $4,000 liner job.
We don’t give ballpark phone quotes that change when the tech shows up. The price Hank Delano writes down is the price you approve. The number on the invoice is that same number.
See the difference
Before
After
Before
After
Before
AfterDIY or Call Us?
An owner can safely check a few things from the ground: look for visible rust on the cap, check for leaning, and note any water stains inside the house near the chimney. You can even verify the cap model number if you have a photo from a previous inspection. What you shouldn’t do is get on a ladder and start unbolting a cap on a Miami roof, especially in summer when the clay tile or asphalt shingles are hot enough to burn your hands. The combination of height, pitch, and a rusted cap that may give way under your weight makes this a job for a trained tech with fall protection and the right brackets.
If you want to know what’s happening up there without climbing, that’s exactly what we do. We’ll camera the flue from bottom to top, show you the footage, and tell you whether the cap is the problem or whether something else needs attention first. Call (786) 305-7861 and we’ll get it sorted.
FAQs
How long does an Olympia Chimney chimney cap last in Miami?
In Miami’s salt air and humidity, a stainless steel Olympia Chimney cap typically lasts 8 – 12 years before the mesh or mounting hardware starts to go. Galvanized caps last half that. The failure point here is usually the mesh screen and fasteners, not the hood itself. If you’re replacing a cap every few years, you’re buying the wrong material for this climate. Call (786) 305-7861 and we’ll tell you what your current cap is made of and what it’ll take to make the next one last.
Can a rusted chimney cap be repaired instead of replaced?
No. Once the mesh is rusted through or the collar has separated from the hood, repairing it costs more in labor than a new cap costs as a part. The smart move is a clean swap to a stainless steel cap sized correctly for your flue. We’ll show you the condition of the old cap with the camera before we recommend anything, so you’ll see exactly why repair doesn’t pencil out. That’s the rule Hank Delano runs every inspection by: tell me what you saw, I’ll tell you what it costs.
How long does an Olympia Chimney chimney cap installation take?
A single-flue cap swap in Miami takes 45 – 75 minutes once we’re on the roof, and a multi-flue cap over a full crown runs 90 minutes to two hours. The variable isn’t the cap; it’s the condition of the crown and flue tile underneath it. If we find crown damage, we’ll show you the footage and give you a separate written price for that repair before anything else happens. Most cap-only jobs are done in one visit, same appointment.
Do you stock Olympia Chimney caps on the truck?
We stock common single-flue stainless steel caps in the sizes we see most across Miami, from Coral Gables to the older masonry chimneys off Brickell. For odd-sized flue tiles or full-crown multi-flue work, we order the correct cap and schedule the install within a week. We also stock and install caps from DuraFlex, HeatShield, and Gelco where the job calls for a different brand. Flint Chimney Co Miami is an independent service provider and not affiliated with Olympia Chimney, but we install their products regularly and we’ll match the right cap to your flue.
Call for a Straight Price
If your Olympia Chimney chimney cap is rusting, leaking, or gone entirely, call (786) 305-7861. We’ll get you a written price for the cap and the install, we’ll show you the camera footage so you’re not guessing, and we’ll stand behind the work for a full year. That’s how we run every job in Miami.
Written by Hank Delano, Owner, Flint Chimney Co Miami at Flint Chimney Co Miami, serving Miami and nearby areas.