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 Hicksville Owner’s Guide
Olympia Chimney damper repair in Hicksville typically runs $280-$520 installed, depending on whether we’re replacing the plate, the frame, or the full assembly. We stock common Olympia Chimney damper parts on our trucks, and most replacements are completed in a single visit. If your damper won’t open fully, won’t seal tight, or the handle spins without catching, the fault is usually a warped plate or corroded pivot pins - both fixable, neither something you want to ignore before burning season starts.
Most Hicksville homeowners notice the problem on the first cold night. They crank the handle and feel resistance, or they light a fire and smell smoke in the room because the damper plate is hanging crooked. In older homes off Jerusalem Avenue and the streets south of Broadway Mall, we’ve found Olympia Chimney dampers that were original to 1960s construction, still doing their job but barely. The chimney doesn’t care what you hoped it was - it shows you what it is.
Which Olympia Chimney Models This Applies To
Olympia Chimney manufactured throat dampers in several widths, and the critical measurement is the inside width of your fireplace opening at the smoke chamber, not the face of the firebox. Common sizes we see in Hicksville are 24-inch, 30-inch, and 36-inch assemblies, though we’ve encountered 42-inch units in the larger colonials near Cantiague Park. The model number, when it’s still legible, is stamped on the steel frame above the plate - usually a series prefix like “OCD” followed by the width.
We carry both OEM Olympia Chimney replacement dampers and quality aftermarket equivalents from Gelco and Copperfield. The OEM part matches exactly but carries a longer lead time; the aftermarket units we stock fit the same dimensions and carry the same 90-Day Done Right Promise. One compatibility gotcha: Olympia Chimney’s 1980s-era dampers used a 5/16-inch pivot pin, while post-1995 production switched to 3/8-inch. Drop the wrong pin in and the plate jams within a season. We measure on site. Hearthstone Chimney Co. is an independent service provider - not affiliated with Olympia Chimney - so our recommendation is based on what fits your fireplace, not what moves inventory.
Signs Your Olympia Chimney Damper Repair Is Failing
- The handle turns but the plate doesn’t move. The linkage between the rotary control and the plate has slipped or the worm gear has stripped. In Hicksville’s older homes, we’ve found linkages rusted solid from decades of humid summers and dry winter heat cycling.
- You feel a cold downdraft even when the damper is “closed.” The plate has warped or the frame has settled, leaving a gap that lets outside air pour down. On north-facing chimneys in Hicksville, that draft can drop your living room temperature five degrees.
- The plate is visibly cracked or rusted through. Cast iron plates eventually fatigue; stainless holds longer but costs more. We see accelerated rust in homes within a mile of the LIRR tracks where road salt aerosol works its way into the flue.
- Smoke spills into the room when you light a fire. The damper isn’t opening fully, or it’s opening crooked and obstructing the flue throat. This is the symptom that gets people to call - and it’s the one that means you’re already past due.
- You hear rattling or clanking when the wind blows. The plate has broken free of one pivot pin and is hanging by the other, chattering against the frame. Left alone, it can drop into the firebox during a burn.
Replacement Cost & What’s Included
| Service | Typical Range in Hicksville |
|---|---|
| Damper plate only (OEM or aftermarket) | $280-$380 |
| Full damper assembly replacement | $380-$520 |
| Smoke chamber parging (if needed for seal) | $150-$280 additional |
The spread depends on three things: whether we can access the damper from the firebox or need to work from the roof, whether the frame is salvageable, and whether the smoke chamber needs refractory work to seat the new plate properly. We quote upfront - the number on the estimate is the number on the invoice. Every damper replacement includes a Level-2 camera inspection so you see the before and after, and every job is covered by our 90-Day Done Right Promise in writing. No arguing, no paperwork chase.
DIY or Call Us?
Here’s what you can safely check yourself: with the fireplace cold and a flashlight, look up past the lintel for the damper plate. If you see obvious rust holes or the plate is hanging at an angle, you’ve confirmed what you suspected. If the handle mechanism is exposed in the firebox, you can note whether the linkage is detached - that’s useful information to tell us when you call.
Here’s where DIY goes wrong. Damper plates are heavy cast iron or steel, and they’re suspended above your head in a tight throat space. Dropping one damages the firebox or your skull. More critically, a damper that doesn’t seat perfectly creates a creosote trap at the smoke chamber junction, which is how chimney fires start. We’ve replaced three “I watched a video” jobs in Hicksville in the past two years alone. The $280-$520 professional repair is cheaper than a fire department visit and a rebuild. Call (516) 259-3797 and we’ll give you a straight answer on whether yours needs attention now or can wait until your annual sweep.
FAQs
In our climate, a quality damper lasts 20-30 years with annual maintenance, but we’ve seen 50-year-old units still functional and 10-year-old units failed from poor original installation. The freeze-thaw cycles and road salt exposure in Nassau County accelerate corrosion at the pivot points. Call (516) 259-3797 for an exact quote - estimates are free.
Sometimes. A detached linkage can be re-welded, and minor surface rust can be cleaned and coated. But a warped plate or cracked frame is not repairable - the seal must be precise or you’re venting carbon monoxide and losing heat. We document what we find with photos and tell you honestly when repair is viable.
Most Olympia Chimney damper replacements take 90 minutes to two hours from ladder set to final camera check. We complete most jobs in a single visit because we stock the common sizes. You’ll get photos you can see and a plain-English verdict before we pack up.
We stock 24-inch, 30-inch, and 36-inch damper assemblies and plates from Gelco and Copperfield, which fit Olympia Chimney specifications. Less common sizes or original OEM parts we order with next-day delivery to our Hicksville warehouse. We don’t start the job until the right part is in hand - done right, not done twice.
Written by Russell Haines, Owner & Master Sweep, Hearthstone Chimney Co. at Hearthstone Chimney Co., serving Hicksville and nearby areas.





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