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 Flushing Owner’s Guide
An Olympia Chimney crown repair in Flushing typically runs $385 to $740 installed, depending on crown condition, flue count, and whether we’re rebuilding from scratch or sealing existing cracks. The crown is the concrete cap at the very top of your chimney, and when it fails, water gets behind the brick and starts a slow-motion dismantling of your masonry. Most Flushing homeowners discover the problem two ways: they spot spalling (flaking) concrete on the ground near the chimney, or they get a water stain on the ceiling after a heavy Queens rainstorm. We stock Olympia Chimney crown repair materials on our trucks, and in most cases the work is done in a single visit. The camera doesn’t negotiate – it just shows you what’s there.
Which Olympia Chimney Models This Applies To
Olympia Chimney manufactures stainless steel chimney systems and associated components, and over the years we’ve installed and repaired crowns on virtually every configuration they’ve produced for the Northeast market. The crown sits above the chimney chase or masonry shell regardless of whether you have an Olympia liner, an Olympia cap, or a full Olympia flue system. What matters for compatibility isn’t the model number on your fireplace insert – it’s the outside dimensions of your chimney chase or masonry crown base and the number and type of flue openings penetrating the crown.
For most Olympia setups in Flushing we see two crown types: a flat-pour concrete crown on older masonry chimneys, and a stainless or galvanized chase cover on factory-built or wood-framed chase installations. If you have the original paperwork, look for a stamp or label reading “O.C.” followed by a series code (Olympia’s air-insulated and solid-pack series use different chase-top configurations). If you don’t have paperwork, the surest route is what we do anyway: measure the crown, photograph the flue arrangement, and match it to the correct Olymmpia profile or a direct-fit equivalent we order through our suppliers.
A note on OEM versus aftermarket: Olympia Chimney’s own crown and chase-cover components are solid, we use them often, and sometimes they’re the only correct fit for a proprietary chase dimension. But on many standard rectangular and round flue configurations, a quality stainless aftermarket crown from Gelco or Famco does the same job with the same lifespan. We’ll tell you which is which and quote the cheaper correct option when one exists. We’re an independent shop – not affiliated with Olympia Chimney – so our loyalty is to the chimney in front of us and the price on the page.
Signs Your Olympia Chimney Crown Repair Is Failing

- Cracks in the concrete or caulk joint. Flushing’s freeze-thaw cycle works every crack wider each winter. Hairline becomes structural in a season or two. Water follows the crack down into the brick and behind the flashing.
- Spalling or flaking concrete on the crown surface. You’ll see loose aggregate chips in the gutter or on the roof near the chimney. Spalling means the crown’s surface has already broken down enough to let moisture saturate the crown body.
- Water staining on the ceiling or walls near the chimney. This is the tell that water has traveled past the crown and into the house. By the time the stain shows up in the living room, the crown has usually been compromised for at least one full weather cycle.
- Rust on the damper, fireplace accessories, or the chase top. A rusting damper inside the flue often traces back to crown failure upstream. Water runs down the flue liner and pools at the damper frame, rusting whatever it touches.
- Missing or displaced mortar at the crown-to-brick joint. The expansion gap between the crown and the chimney’s top course needs a flexible seal. When it dries out or disappears, water has a direct entry point between the crown and the brick.
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AfterReplacement Cost & What’s Included
Here’s what an Olympia Chimney crown repair or replacement costs in Flushing, in dollars we actually quote:
| Scope of work | Typical Cost in Flushing |
|---|---|
| Crack seal and waterproof (minor crown damage, 1 flue) | $250 – $295 |
| Crown recoat and seal with concrete resurfacer (moderate spalling) | $350 – $475 |
| Full crown tear-out and rebuild (standard 1-2 flue masonry chimney) | $560 – $740 |
| Add custom stainless crown cover over a rebuilt crown | $185 – $310 additional |
Every crown repair includes the same things: a written scope before any work starts (that’s Clause 1 of the Haven Standard – a written price, written scope, and written warranty before anyone touches a chisel), a photo record of the crown before, during, and after, and our 365-Day Done Right Promise. If the crown fails within a year of the repair, we come back and make it right on our dime. The biggest cost driver is concrete removal: a crown that comes apart with a scraper is fast; a crown we have to chip out with a rotary hammer takes another hour or two, and that shows up honestly in the quote.
DIY or Call Us?

If you’re comfortable on a ladder, you can do the diagnostic work yourself: look for visible cracking, spalled concrete chips on the roof, gaps at the crown-to-brick joint. That’s useful information when you call us. But the actual crown repair is not a safe DIY job for most Flushing homeowners. The crown sits at the very top of the chimney, on a sloped roof, usually thirty feet above a walkway or driveway. A proper repair means demolition, formwork, and a concrete or sealant application that has a short working window. One bad crown pour and the water problem gets worse. If you have any doubts about your footing or the slope, stay off the roof and call (516) 240-9191. The estimate is free, and we’ll show you the photos.
FAQs
A properly poured and sealed crown in the Flushing climate lasts 20 to 30 years, but the concrete surface needs a sealant refresh every 5 to 7 years. That’s the truth about our weather: the freeze-thaw cycles off the Long Island Sound shoreline will get through any sealant eventually, and a crown that gets resealed on schedule is a crown that rarely needs a full rebuild. Call (516) 240-9191 if you’d like us to look at your specific crown.
If the crack is non-structural and the crown is otherwise sound, a crack fill plus a quality silane-siloxane waterproofing sealer is a legitimate repair that buys years. But if the concrete is spalled or the crown is detached from the brick below, patching it is a temporary fix that fails at the exact wrong time. There’s no charge for honesty: we’ll show you the condition on a camera and tell you whether you’re a candidate for a $250 seal or a full tear-out.
Most Olympia Chimney crown repairs in Flushing take 2 to 4 hours on site, with the caveat that concrete and sealant need time to cure before the crown is fully weather-tight. You’ll have a written scope before we start and a photo record – including shots of the finished crown – before we leave. Clause 4 of the Haven Standard requires that photo record on every job, and we’ve done it that way since 2009.
We carry the repair materials we need on the truck for most standard Olympia Chimney crowns: concrete mix, sealant, waterproofing, stainless crown covers from Gelco and Famco, and the Olympia components we sourced through our buying network specifically to keep prices honest. If your chimney needs a proprietary Olympia chase cover in a non-standard size, we source it before the job and have it in hand the day we show up. You don’t do any of the ordering.
If your Olympia Chimney crown is cracked, spalled, or leaking, call (516) 240-9191 for a free estimate. Corrine Halstead and our Flushing team will show you what we found, what it will cost in writing, and what happens if you leave it alone – in that order.
Written by Corrine Halstead, Owner, Level Two Chimney Flushing at Level Two Chimney Flushing, serving Flushing and nearby areas.





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