Masonry repair
Sweep & inspection
Caps & crowns
Flue relining
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 Damper Repair: The Houston Owner’s Guide
Olympia Chimney damper repair in Houston typically runs between $185 and $420 installed, depending on whether we’re rebuilding the existing damper assembly or replacing the full frame and throat plate. We stock common Olympia Chimney damper components on our trucks, so most repair calls happen in one visit. Most Houston homeowners discover the damper has failed the first cold snap of the season, when heat and smoke head the wrong direction, or when they reach for the handle and feel nothing but slack.
The damper is the part of your fireplace that seals the flue when the fire isn’t burning. Olympia Chimney builds dampers that tend to handle Houston’s humidity better than most, but two decades of use plus our damp winters and sticky summers take a real toll on the pivot pins and cast-iron plates. Danny Cortes has pulled enough Olympia dampers out of Houston fireplaces to know the failure patterns by heart.
Which Olympia Chimney Models This Applies To
Olympia Chimney has been manufacturing masonry fireplace components for decades, and their dampers show up in a lot of Houston homes built from the 1970s through the early 2000s. The three lines we see most often in the field are the Olympia standard cast-iron throat damper, the Olympia Sealtight series, and the newer Olympia Energy Saver dampers found in some prefabricated fireplaces.
Here’s the compatibility gotcha most homeowners don’t know: Olympia dampers are sized to the throat width of your fireplace, not the model number printed on the fireplace itself. So an Olympia damper from a Martin or Majestic fireplace might fit an Olympia-built unit with a slightly different label, and vice versa. Before we order or pull a part, our technician measures the throat opening, checks the damper frame dimensions, and confirms the mounting pattern. If there’s still a legible model tag on the damper plate itself, that’s the one we trust.
We recommend OEM Olympia Chimney parts when they’re still available because the casting tolerances match the original frame. For older models where Olympia has discontinued the line, we use quality aftermarket equivalents from brands like DuraFlex, HeatShield, and Gelco, which we also stock. The decision comes down to the age of the fireplace and whether the existing frame is salvageable. We always show you the old part and explain exactly what we’re putting in, and why.
Styles & brands we work with





Signs Your Olympia Chimney Damper Is Failing
Most damper failures announce themselves gradually, then become obvious. Here’s what Houston homeowners call us about most often:
- Smoke drifts back into the room when you start a fire. The damper plate isn’t fully open, or the linkage has come loose so the handle opens only partway. If you smell smoke when the fireplace is cold, the damper isn’t sealing at all, which means warm air is escaping up the flue every day.
- The handle feels loose, spins freely, or won’t stay in position. On Olympia dampers, the handle connects to the damper plate through a pivot rod and a set of ratchet teeth. When those teeth wear smooth, the plate can’t hold its position. You’ll feel it immediately: no resistance, no click.
- You hear a metal clank or rattle when the wind picks up. A loose damper plate catches drafts from the flue and bangs against the frame. Houston’s gusty spring weather makes this one easy to notice.
- You can see daylight around the damper edges when it’s closed. Over time, the cast iron warps slightly, or the gasket material on Sealtight models dries and cracks. That gap is the reason your fireplace room feels draftier than the rest of the house in January.
- The damper is stuck, either open or closed. Soot and creosote buildup, combined with Houston’s humidity, can seize the pivot pins. A damper stuck open is a constant energy leak; a damper stuck closed means no fires until it’s fixed.
See the difference
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After
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AfterReplacement Cost & What’s Included
Here’s what Olympia Chimney damper repair and replacement costs in the Houston area, based on the jobs we do most weeks:
- Damper linkage or handle repair: $185 – $260. This covers replacing worn ratchet teeth, pivot rods, and handle assemblies on an otherwise usable damper plate.
- Full damper plate and frame replacement (OEM Olympia): $290 – $420. Includes removal of the old assembly, installation of the new frame and plate, and a test-fire with the damper in both positions.
- Sealtight gasket replacement: $95 – $140 when the cast frame is intact. This is the least invasive repair and makes an immediate difference in draft control.
Every one of these prices includes the part, the labor, and the written price we give you before work starts. No add-ons at the door, no surprise line items. The repair itself is covered by our 365-Day Done Right Promise: if the damper doesn’t operate correctly within the first year, we make it right, no fine print. Parts carry their manufacturer’s warranty, and we’ll register it for you when applicable.
DIY or Call Us?
Here’s the honest split. An owner can safely check a few things: whether the handle rotates and clicks through its positions, whether the damper plate is visibly cracked or warped, and whether there’s daylight showing around the edges when it’s closed. That’s useful information for the phone call, and it helps us tell you whether this is a quick repair or a full replacement before we ever roll a truck.
What we don’t recommend doing yourself is pulling the damper assembly. The damper sits inside the firebox and connects to the flue above; on a masonry fireplace, the throat area also involves refractory panels and the smoke shelf. Getting the old frame out without damaging the firebox requires patience and the right tools. Damper plates are heavy cast iron, and working overhead in a firebox has a way of turning simple into stitches. If you have an Olympia damper that’s seen better days, call us at (254) 978-7413 and we’ll walk through what you’re seeing. Then we’ll schedule a visit, give you a written price, and fix it right the first time.
FAQs
In Houston’s climate, you can expect an Olympia damper to last 15 to 25 years, though the ratchet linkage usually wears out first. Our heat and humidity accelerate rust on the cast iron, especially in fireplaces that get used only a few months out of the year and sit sealed the rest of the time. If your home is older than 2005 and the damper has never been touched, it’s likely near the end of its service life. Call (254) 978-7413 and we’ll check it during a standard chimney inspection.
Yes, in most cases. If the cast-iron plate is intact and the frame is still solidly mounted, we can replace just the linkage, handle, or pivot pins and restore full function for well under $200. Replacement is the route when the plate itself is cracked, heavily warped, or so rusted that it’s flaking. We always show you photos of the part before recommending which way to go.
Most Olympia Chimney damper repairs take 60 to 90 minutes from setup to test-fire. Full frame replacements run closer to two hours, especially if the old frame is rusted into the firebox and needs careful extraction. Either way, it’s typically a single visit, and we leave the firebox swept and the hearth clean before we hand you the final walkthrough.
We keep the most common Olympia damper plates, handle assemblies, pivot rods, and Sealtight gaskets stocked on our service trucks, along with compatible parts from DuraFlex, HeatShield, and Gelco for older Olympia models that have been discontinued. If your fireplace needs something we don’t carry that day, we order it immediately and schedule the install within the week. Call (254) 978-7413 with your model number and we’ll confirm availability before you book the appointment.
Written by Danny Cortes, Owner & Lead Chimney Technician, Kindling Chimney Houston at Kindling Chimney Houston, serving Houston and nearby areas.