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.
Famco Damper Repair: The Washington Owner’s Guide
A Famco damper repair in Washington typically runs $340 to $780 installed, depending on whether we’re replacing the cable assembly, the damper plate itself, or the full frame. We carry Famco-compatible parts on our trucks and can usually complete the repair the same day we diagnose it. Most owners find us after they notice the damper won’t stay open, won’t close fully, or a cable snapped mid-season.

Corrine Halstead has seen the same failure pattern across DC rowhouses for fifteen years: the cable corrodes near the handle, the plate warps from years of heat, or the frame loosens in the mortar. The camera doesn’t lie, and neither does the written price. We’ll show you exactly what failed before we touch it.
Which Famco Models This Applies To
Famco builds top-sealing and throat dampers across several product lines, and the repair path depends on which one you have. The most common in Washington homes are the Famco LD series throat dampers (rectangular, cast-iron plate, cable-operated) and the Famco TSO top-sealing dampers (round or oval, mounted at the flue crown). Some older DC rowhouses still have Famco bell dampers from the 1980s, which we repair but often recommend replacing outright.
Here’s what matters for compatibility: the LD series uses a stainless steel cable with a specific end-fitting that changed slightly between the LD-1 and LD-2 generations. A cable from the wrong generation will seat but slip under tension. Measure the damper opening, not the flue above it, if you’re trying to identify the size. We also stock aftermarket cables and plates that match Famco specs at a lower parts cost, and we’ll tell you honestly which one makes sense for your chimney.
We’re an independent Washington service provider, not affiliated with Famco, but we’ve installed and repaired their products across the District since 2009.
Signs Your Famco Damper Repair Is Failing

- The handle pulls with no resistance. This means the cable has disconnected from the damper plate inside the flue. The cable end fitting either corroded through or the plate’s anchor point broke.
- You can’t fully close the damper. A warped plate or debris caught in the frame keeps it from seating. In Washington’s humid winters, cast-iron plates swell and grind against the frame, which accelerates the wear.
- Cold air drops into the fireplace even when closed. A top-sealing damper with a failed gasket or a throat damper with a misaligned plate leaks air. You’ll feel it on cold January mornings before you see it.
- Rust flakes fall into the firebox. The damper frame or plate is corroding. DC’s freeze-thaw cycles and the moisture that collects in unlined flues speed this up measurably compared to drier climates.
- The damper won’t stay open while burning. If the plate drops mid-fire, the cable stop has failed. This is a fire hazard and a smoke risk, not just an inconvenience.
Before
AfterReplacement Cost & What’s Included
Here’s the installed pricing for Famco damper repair in Washington, written the same way we’d put it on your scope before any work starts:
- Cable and handle replacement: $340 to $430
- Damper plate replacement (LD series): $420 to $560
- Full frame and plate replacement: $580 to $780
- Top-sealing damper replacement (TSO): $650 to $890
The range comes down to two things: the model and whether the existing frame is salvageable. We pull the old part, show you the wear on camera, and give you a written price before anything gets installed. Labor and materials are listed separately on the scope, so you see exactly where your money goes. Every Famco repair we do is covered by our 365-Day Done Right Promise under the Haven Standard: if it’s not done right, we make it right.

Bring us a competitor’s written estimate and we’ll give you a free second opinion on it. We’d rather earn the job with a documented finding than a sales pitch.
DIY or Call Us?

You can safely check two things yourself: whether the handle pulls with tension, and whether you see visible rust or debris at the damper opening. That’s the extent of it. Replacing a cable inside a throat damper means reaching into the flue, locking the plate in position, and re-anchoring the cable end fitting while working at an awkward angle. The risk isn’t the cable. It’s the sharp edges of an old damper frame meeting your forearm, or a plate dropping on your hand when the temporary stop fails.
If the damper won’t close, don’t burn until it’s fixed. An open or stuck damper turns your chimney into a cold-air and ember conduit. Call us at (240) 621-1264 and we’ll diagnose it, show you the failed part on camera, and give you a written price before any work begins.
FAQs
A Famco damper typically lasts 15 to 20 years in Washington’s climate, but the cable assembly often needs replacement every 8 to 12 years due to corrosion from humidity and temperature swings. We’ve pulled original dampers from 1980s Capitol Hill rowhouses that were still functional, but the cables were always long gone.
If the frame is intact and the plate isn’t warped past seating, we repair it with a new cable or plate. If the frame is rusted through or the plate has warped from over-firing, replacement is cheaper than repeated repairs. Call (240) 621-1264 and we’ll show you which path applies to your chimney before you spend a dollar.
A cable replacement usually takes 45 minutes to an hour. A full frame replacement runs two to three hours including mortar work and cure time. We schedule it in a single visit, no follow-up trips.
Yes. Our trucks carry LD-series cables, plates, and handles, plus TSO top-sealing damper replacements in the most common Washington flue sizes. If your model is older or unusual, we source it from Famco or a compatible aftermarket supplier and have it within three business days.
Written by Corrine Halstead, Owner, Level Two Chimney Washington at Level Two Chimney Washington, serving Washington and nearby areas.





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