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 Jacksonville Owner’s Guide
We stock and install Olympia Chimney-compatible chimney caps throughout Jacksonville, with most replacements running $340 – $680 installed depending on flue size, cap material, and roof access. If your existing cap is rusted through, missing its spark-arrestor mesh, or letting rain pour down the flue during a summer thunderstorm, we can usually get it replaced within a few days of your call. Most Jacksonville homeowners discover the problem the hard way: water staining on the ceiling near the fireplace, a musty smell after heavy rain, or rust flakes scattered across the chimney crown.
Ruben Castellano has seen more failed caps in this city than he can count, most of them original to homes built in the 1980s and 1990s. The salt air near Jacksonville’s waterways, the relentless summer humidity, and the sudden downpours that hit neighborhoods from Riverside to Mandarin all work against galvanized steel. When a cap fails, it fails quietly until the water has already done damage inside the flue.
Which Olympia Chimney Models This Applies To
Olympia Chimney manufactures caps for both masonry chimneys and prefabricated chimney systems, and the compatibility question is the first thing we sort out on the phone. For masonry flues, the cap sizes follow standard clay tile liner dimensions: 8″x8″, 8″x13″, 13″x13″, and the less common 8″x17″ and 13″x18″. For prefab systems, Olympia caps are matched to the specific pipe brand and model series, which is where we see the most mismatched installs from handyman work.
Here’s the compatibility gotcha that trips up even experienced DIYers: Olympia’s stainless steel caps for prefab systems are keyed to the locking collar design of the specific chimney pipe. You cannot take a cap built for an 8″ round prefab flue and expect it to fit a different brand’s 8″ pipe. The locking tabs, the inner diameter where the cap sleeve sits, and the height of the spark arrestor band all differ by a quarter inch or more. If you’re unsure what you have, look for a data plate on the pipe itself, usually visible in the attic or at the firestop. If you can’t find one, a photo of the existing cap from the roof or even from a drone will often tell us what we need to know.
We install genuine Olympia Chimney caps as well as quality equivalents from Copperfield and Famco when the situation calls for a different material or a custom size. Alcott Chimney Jacksonville is an independent service provider, not affiliated with or authorized by Olympia Chimney. What we offer is the practical knowledge of what fits, what lasts in Jacksonville’s climate, and what’s worth the money.
Styles & brands we work with





Signs Your Olympia Chimney Chimney Cap Installation Is Failing
- Water in the firebox after rain. This is the clearest one. A cap that’s doing its job keeps rain out of the flue. If you’re finding puddles or damp ash after a storm, the cap’s hood is either rusted through or missing entirely. In Jacksonville, this is a near-constant problem from June through September.
- Rust staining on the chimney chase or crown. Galvanized steel caps shed zinc and iron oxide as they corrode. If you see orange streaking on the brick or stucco below the cap, the cap is failing and those rust flakes are also washing down into the flue.
- Visible daylight through the spark arrestor mesh. The mesh should be a continuous screen with no gaps larger than 3/4″. If birds have pried a hole through it, or if sections have rusted away, you’ve got an open invitation for squirrels, birds, and embers.
- Animal noises in the chimney. Jacksonville has raccoons, squirrels, and chimney swifts. A cap with damaged mesh is a front door for all three. Ruben keeps a running notebook of every unusual thing he’s pulled out of a firebox, and the raccoon nest he found in a Riverside flue still tops the list.
- Draft problems that get worse in high wind. A cap with a warped hood or a clogged screening band will restrict airflow. If the fireplace smokes back into the room on windy days, the cap may be doing more harm than good.
Replacement Cost & What’s Included
A chimney cap replacement in Jacksonville typically runs $340 – $680 installed. The lower end covers a standard stainless steel cap for a single clay tile flue on a one-story roof with easy ladder access. The upper end covers larger flues, custom sizing, copper or full stainless construction, multi-story roofs requiring extra safety setup, or caps for prefab systems that need a model-specific part.
Your written quote breaks out the cap itself and the labor separately, so you know exactly what you’re paying for. The quote is delivered before any work starts, and the price on that paper is the price you pay. Every cap installation includes a written guarantee covering the workmanship and the cap’s performance. If the cap fails within the coverage period, the second visit is free. That guarantee is part of our 365-Day Done Right Promise, and it’s written on every job, no exceptions.
We keep the most common Olympia Chimney cap sizes on the truck: 8″x8″, 8″x13″, and 13″x13″ in stainless. If your flue is an odd size or a prefab match, we order the correct part and schedule the install as soon as it arrives, usually within three to five business days.
See the difference
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After
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AfterDIY or Call Us?
You can safely identify some things from the ground: look for visible rust, missing mesh sections, or a cap that’s visibly tilted or detached. What you should not do is climb onto a Jacksonville roof in the middle of summer with a replacement cap and a cordless drill, especially on a two-story home with a steep pitch. The roof surface in August can hit 140°F, and the ridge and valley geometry on Florida ranch homes makes footing unpredictable. A fall from even a single-story roof is a life-changing injury.
The other reason to call us: cap sizing. If you guess wrong on flue dimensions or buy a generic cap that doesn’t mate properly with your Olympia pipe, you’ll either install something that rattles in the wind or something that blocks airflow and backdrafts carbon monoxide into the house. We’d rather you call (904) 453-7823 and have us measure, match, and mount it correctly the first time. The written quote costs you nothing.
FAQs
A stainless steel cap on a masonry chimney in Jacksonville will typically last 12 – 20 years, while galvanized steel caps often fail in 6 – 10 years due to the combination of salt air, high humidity, and intense UV exposure. Prefab caps matched to the original system tend to last longer because they’re built to tighter specs. If your cap is more than 15 years old and showing rust, it’s on borrowed time. Call (904) 453-7823 for a quote on a replacement that’s sized correctly for your flue.
Minor issues like a loose mounting bracket or a small section of separated mesh can sometimes be repaired, but in our experience, visible rust through the hood or mesh means the metal has already lost its structural integrity. Patching a rusted cap buys you a season at best, and you’ll still need a new one next year. For the cost of a second trip, replacement is almost always the better value. Call (904) 453-7823 and we’ll tell you honestly whether yours is worth saving.
Most single-flue cap replacements take 45 minutes to an hour from ladder setup to final inspection. Larger flues, prefab system replacements, or caps that require custom fabrication add time, but the typical job is done in a single visit. We’ll give you a written price before we start and we’ll respect the time window we give you.
Yes, we carry the most common Olympia Chimney-compatible sizes for masonry flues in stainless steel. Prefab system caps are model-specific and usually need to be ordered, which takes three to five business days. We’ll tell you on the first call whether we can handle it same-day or need to order the part. Call (904) 453-7823 with your flue measurements or a photo, and we’ll figure it out quickly.
Call Alcott Chimney Jacksonville for Your Olympia Chimney Cap
Tell me what you’re seeing and I’ll tell you what it actually means. If you have water in the firebox, rust on the crown, or a cap that looks like it’s been through a hurricane, call (904) 453-7823. We’ll talk through what you have, quote you a real price, and schedule a technician who arrives with a face and a name you already know. Written price before we start, written guarantee when we finish, and a live person on the phone whenever you call.
Written by Ruben Castellano, Owner, Alcott Chimney Jacksonville at Alcott Chimney Jacksonville, serving Jacksonville and nearby areas.