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.
Olympia Chimney Crown Repair: The Dix Hills Owner’s Guide
If your Olympia Chimney crown is cracked, spalled, or letting water run down the flue, we stock and install crown repair materials matched to Olympia’s systems, and a full crown rebuild in Dix Hills typically runs $850 to $1,600 installed. Most jobs are done in a single visit, usually inside of three hours on the roof. You’ll know the crown has failed when you see water stains on the ceiling near the chimney, chunks of concrete on the shingles after a storm, or a chalky white residue running down the brick face.
What most Dix Hills homeowners actually notice first is dampness around the firebox or a musty smell in the room after a hard rain. The crown sits at the very top, exposed to everything Long Island weather can throw at it. When it cracks, water gets into places it was never meant to go. Wendell Pike has pulled more disintegrated crowns off chimneys in this area than he can count, and the story is almost always the same: nobody looked at it until the damage was already inside.
Which Olympia Chimney Models This Applies To
Olympia Chimney has been making stainless steel chimney systems since the 1970s, and we see their flues throughout Dix Hills, particularly in homes built or retrofitted for wood stoves and prefab fireplaces. The crown repair we’re talking about here applies to both their air-insulated and solid-pack chimney lines, including older Olympia models that have been discontinued, where the original crown cap has rusted through or the poured concrete wash has crumbled.
Here is the compatibility gotcha most people don’t know: Olympia Chimney systems use a specific outside diameter, and the crown must be sized to the outer pipe, not the inner flue. If you measure only the inside of the pipe, you’ll order the wrong crown by a full size. On an Olympia system, look for the manufacturer’s label on the pipe in the attic or chase; the model number usually starts with an “O” and the size is stamped right on it, most commonly 6-inch or 8-inch inner diameter. The outer diameter is what matters for the crown chase top.
We stock Olympia-compatible crowns and chase tops on the truck in the common sizes, and we can source exact OEM Olympia replacement parts within a few days. We’re an independent shop, not affiliated with Olympia Chimney, so we’ll give you a straight answer about when the OEM part is worth the extra cost and when a quality aftermarket crown made from 304 stainless steel will do the same job for less money. In Dix Hills, with our salt-adjacent air and freeze-thaw cycles, 304 stainless is the minimum we’ll install. Galvanized crowns don’t last here.
Signs Your Olympia Chimney Crown Repair Is Failing
- Water stains on the ceiling or walls near the chimney. This is the one that gets people on the phone. Water tracks down the outside of the flue pipe inside the chase, so the stain often appears a few feet away from the chimney itself. By the time you see it, the crown has been letting water in for a while.
- Spalling brick or flaking stone at the top of the chimney. Water soaks into the masonry, freezes in winter, and pops the surface off. In Dix Hills, where we get real freezes every winter, a cracked crown turns into spalled brick within two or three seasons.
- Rust stains running down the chimney chase or the pipe itself. If you’ve got an Olympia stainless system, rust means water is sitting somewhere it should not be. A failed crown is the usual suspect, and the rust tells you the water has been moving for months, not days.
- A drippy or musty smell from the fireplace after rain. Water pools in the smoke shelf or around the damper and sits there. You smell it before you see it. If the fireplace smells like a wet basement after a storm, start at the top.
- Pieces of concrete or mortar on the roof or in the gutters. That’s the crown literally falling apart. If you find chunks up there, the crown is already gone in places, and every rainfall is working its way down alongside the pipe.
Replacement Cost & What’s Included
A full Olympia chimney crown repair or rebuild in Dix Hills generally lands between $850 and $1,600, including the materials, the labor, and the trip. The spread comes down to the size of the crown, how bad the existing damage is, and whether we need to remove and reset the top rows of brick before forming the new crown. A straightforward poured crown on a standard chimney is usually at the lower end. A custom stainless crown cover or a chase top replacement for an Olympia air-cooled system runs toward the higher end.
Every estimate is a fixed price before we start, and that price includes removing the old crown, prepping the surface, forming the new crown with a proper drip edge and slope, and cleaning up everything we tracked up there. The number Wendell gives you on the phone or in the written estimate is the number on the invoice. No surprise add-ons after the ladder goes up.
We back crown work with the same 90-Day Done Right Promise as everything else. If the new crown isn’t right, one call brings us back at no charge. And the standing offers apply: $40 off any repair over $200, and a 10% discount for seniors and veterans, always.
DIY or Call Us?
You can inspect a crown from the ground with binoculars. Look for cracks wider than a dime, missing chunks, or a surface that looks more like gravel than concrete. If you’re comfortable on a ladder but not on the roof, you can check from the gutter line, but that’s where we’d draw the line. Crown repair means working at height with mortar, forms, and tools while standing on a pitched roof. The part may not be dangerous in your hands, but the location is.
We have seen too many Dix Hills homeowners patch a crown with roof caulk or a bucket of premixed cement from the hardware store, only to have it crack again before the season is out. A crown needs expansion and contraction room, a proper slope to shed water, and overhanging drip edges on all four sides. If a patch job fails, you’ve spent the money twice and the water has had another year to work. If you want to check it yourself, we’ll tell you what to look for. If it needs doing, call (631) 318-8656 and we’ll price it before we head over.
FAQs
A properly poured concrete crown on Long Island should last 15 to 20 years, provided it has the right overhang and an expansion joint that lets the flue pipe move independently of the mortar. Cheaper crowns with no expansion joint can crack in five years. If your crown is older than 15 years and you can see cracks from the ground, it’s time to have it looked at. Call (631) 318-8656 and we’ll give you an honest verdict.
Sometimes. Hairline cracks under an eighth of an inch can be sealed with a flexible crown repair compound that moves with the weather, and we do that for around $250 to $500 in Dix Hills. But if the crown is spalling, punched through, or pulling away from the flue, a patch won’t hold and you need a full rebuild. We’ll show you camera photos so you can see exactly what we’re seeing before you spend a dollar.
Most Olympia crown replacements in Dix Hills take two to three hours start to finish. That includes setting up, removing the old crown, forming the new one, and clean-up. If the top rows of brick are spalled and need to be cut out and replaced first, add another hour or two. We’ll give you a real arrival window and call if anything changes.
We stock Olympia-compatible crowns and chase tops for the most common pipe sizes on the truck, and we can get OEM Olympia parts from our supplier within a few days when the job calls for them. Along with Olympia, we work with DuraFlex, HeatShield, and Gelco systems, so we’re used to matching parts to off-brand or discontinued models. If you’re not sure what you have, call (631) 318-8656 and describe the label on the pipe. Wendell can usually tell you what you’re working with from that alone.
Written by Wendell Pike, Owner, Top Hat Chimney at Top Hat Chimney, serving Dix Hills and nearby areas.





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