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 Damper Repair: The Hempstead Owner’s Guide
We stock and install Olympia Chimney-compatible damper repair parts in Hempstead, with most damper replacements running $285 to $475 installed depending on the model and flue size. If you call before noon we can usually have Wendell or a crew member out the same week, not next month. Most homeowners in Hempstead discover the damper has failed the same way: they reach up to close it one evening and the handle spins free, or they feel a cold draft by the fireplace and realize the plate isn’t seating anymore.
Which Olympia Chimney Models This Applies To
Olympia Chimney builds dampers that fit a range of throat and top-sealing applications, and the repair path depends on which one you have. The most common in Hempstead homes is the Olympia cast-iron throat damper, usually a rectangular plate with a worm-gear handle or a poker-style control. If you can read the stamp on the frame, the model number will tell us exactly which replacement kit to bring. No stamp? We measure the throat opening and the rod length, because an Olympia damper plate that’s half an inch too narrow leaves gaps on the sides even when fully closed.
Top Hat Chimney is an independent service provider, not affiliated with Olympia Chimney. That matters for parts: we install OEM Olympia plates when the frame is still true and only the plate or hinge is worn, and we use a quality aftermarket cast plate when the original is discontinued or backordered. Wendell will tell you which one he’d put in his own fireplace. We also work with parts from DuraFlex, HeatShield, and Gelco when the liner work is involved, but for a damper swap, the Olympia-specific fit is what keeps the draft out.
Signs Your Olympia Chimney Damper Repair Is Failing
- Handle spins without resistance. The worm gear or the hinge pin has stripped or broken. You’re turning the handle but the plate isn’t moving, which means the damper is stuck wherever it was when the gear let go.
- Cold air in the room, even with the damper “closed.” The plate is warped or the frame has shifted slightly. Cast iron can warp after years of high heat and Nassau County’s damp winters, leaving a gap you can feel with your hand.
- Rust flakes falling into the firebox. The plate or frame is oxidizing. Dampers in Hempstead chimneys rust faster than people expect because the warm chimney air meets cold humid air at the top, and that moisture runs down and sits on the cast iron.
- Smoke backing into the room on startup. A damper that won’t open fully, or opens partially and then drops, chokes the draft. The flue can’t pull air, so the smoke takes the path of least resistance: into your living room.
- You hear a clunk when using the handle. That’s the plate dropping against the frame or the lever arm binding. It means the connection between handle and plate is loose, and it will most likely fail entirely within a season or two.
Replacement Cost & What’s Included
Olympia Chimney damper repair in Hempstead typically runs $285 to $475 installed. The range comes down to three things: whether the frame is reusable or needs replacement too, the flue size (larger throats need a bigger plate), and whether we find any blockage or creosote that must be cleaned before the new damper can seat properly. You’ll know the number before the work starts, same as always. Every damper replacement includes removal of the old plate, wire-brushing the frame, fitting the new plate to the existing throat, testing the full open-close range, and locking down the linkage so it operates smoothly. The work is covered by our 90-Day Done Right Promise: if it sticks or leaks after we leave, one call brings us back at no charge.
DIY or Call Us?
An Olympia damper is not a spring-loaded garage door, but it is cast iron inside a chimney you only get to once a year, and the risks of doing it wrong are real: a plate that drops off its pin while you’re reaching up, a handle that suddenly frees and swings into your face, or a frame bolt you can’t see that’s rusted solid until you put weight on it. What you can safely check yourself: whether the handle turns freely, whether the plate opens and closes fully, and whether there’s visible rust or a gap when closed. What you shouldn’t do: try to remove the plate without knowing whether it’s pinned, bolted, or gear-driven. If it doesn’t need doing, Wendell will tell you. If it does, call (516) 963-1068 and we’ll send someone who’s done it before.
FAQs
In our experience across Nassau County, an Olympia damper lasts 15 to 25 years, but dampers in homes near the water or with regular wood-burning use often fail closer to 10 to 12 years because the moisture and heat cycling accelerate rust at the hinge pin. Regular sweeps help, because creosote holds moisture against the metal, and we spot early rust before the plate cracks.
Sometimes, when it’s only the handle or linkage arm that’s worn and the plate itself is sound. We carry replacement handles and linkage rods for common Olympia models and can often rebuild the control assembly for less than a full plate replacement. But if the plate is warped or the hinge pin hole has wallowed out, patching it is throwing money away. Wendell will show you what he’s seeing before you decide. Call (516) 963-1068 and we’ll give you an honest answer.
Most Olympia damper replacements take 45 to 90 minutes on site, including setup, removal, fitting, and testing. If the flue needs cleaning first, add that time. We book a real arrival window, and the sweep who shows up in Hempstead will be the one doing the work, not a subcontractor.
We carry the most common Olympia plates, handles, and linkage kits on the truck for standard Hempstead chimney sizes ranging from 8×8 to 13×13 throat openings. If your flue uses a top-sealing Olympia damper or a non-standard size, we’ll bring the right part from our supplier before the second visit, and you’ll know the price before we order it.
Ready to get the damper working again? Call (516) 963-1068 for a free estimate. We answer the phone, we give you a price before the work starts, and we back it in writing. If you’re in Hempstead or nearby, there’s no trip charge for coming out to take a look.
Written by Wendell Pike, Owner, Top Hat Chimney, serving Hempstead and nearby areas.





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