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 Severna Park Owner’s Guide
Famco damper repair in Severna Park typically runs $280-$480 installed, depending on whether the throat plate, frame, or entire assembly needs replacement. We stock Famco-compatible parts on our trucks and can complete most replacements in a single visit. You’ll know the damper has failed when the handle spins without closing the plate, you feel a cold downdraft even with the flue “shut,” or smoke spills into the room on light-up.
Most Severna Park homeowners we serve discover the problem in November, right before the first real cold snap. The damper worked fine last March, sat open all summer, and now the handle grinds or the plate hangs crooked. In the older homes along the B&A Trail corridor, where fireplaces see heavy winter use, we’ve found Famco dampers installed in the 1990s and early 2000s that have simply worn past their service life. The cast iron plate cracks, the pivot pins corrode, or the frame warps from decades of heat cycling. It’s not dramatic. It just stops doing its job.
Which Famco Models This Applies To
Famco manufactured several damper lines over the years, and the part you need depends on the frame width, throat depth, and whether your fireplace is masonry or prefabricated. The most common units we encounter in Severna Park are the Famco cast-iron throat dampers in 30″, 32″, and 36″ widths, along with the lighter stamped-steel models found in some prefab fireplaces from the 1980s and 1990s. The cast-iron series carries a part number stamped on the frame’s left side, visible with a flashlight looking up from the firebox. If that label is rusted away, we measure throat width and depth to match the replacement.
Here’s where compatibility gets tricky: Famco’s cast-iron and stamped-steel lines use different pivot pin spacing. A cast-iron replacement plate will not seat in a stamped frame, and we’ve seen homeowners order the wrong part twice before calling us. For the cast-iron series, we typically install OEM-equivalent plates from Copperfield or Olympia Chimney, both of which match Famco’s original specs without the OEM markup. On prefab units where Famco no longer stocks the original frame, we fabricate a compatible solution using Gelco or Olympia components. Hearthstone Chimney Co. is an independent service provider, not affiliated with Famco, so we source what fits and lasts, not what carries a particular logo.
Signs Your Famco Damper Repair Is Failing
- The handle turns but the plate doesn’t move. The linkage between the handle shaft and the damper plate has slipped or the pivot pin has sheared. This is the most common failure on Famco cast-iron units after 20+ years. The plate itself may be fine, but without that mechanical connection, you have no control over the flue.
- You feel cold air falling from the fireplace even when the damper is “closed.” The plate has warped or the frame has rusted, leaving a gap that lets conditioned air escape and outside air enter. In Severna Park’s windy winter conditions off the Chesapeake, this gap can cost you serious heating efficiency.
- The plate hangs crooked or you can see daylight around the edges when it’s supposedly shut. The pivot pins have worn oblong holes in the frame, or the plate has cracked along its edge. Either way, the seal is gone. Smoke and carbon monoxide can leak into the room during startup, before the flue has fully drafted.
- Rust flakes fall onto the firebrick when you operate the handle. The frame is corroding from the inside out, usually from years of acidic condensation sitting in the throat during summer months. Severna Park’s humid summers accelerate this. Once the frame thins, replacement is the only sound option.
- The handle is seized completely and won’t turn in either direction. Creosote has cemented the plate to the frame, or corrosion has fused the linkage. Forcing it usually breaks the handle or bends the plate. We free these with proper tools and inspect for hidden damage, not brute force.
Replacement Cost & What’s Included
| Component | Price Range (Installed) |
|---|---|
| Famco-compatible damper plate only (OEM-equivalent) | $280-$360 |
| Plate + frame replacement (cast-iron) | $380-$480 |
| Prefab damper assembly (Gelco/Olympia compatible) | $340-$460 |
| Additional masonry repair if frame is embedded | $180-$320 |
What drives the range? Three things: whether we can reuse the existing frame, how accessible the throat is (some Severna Park homes with deep fireboxes require longer reach tools), and whether the frame is set in mortar that needs careful removal. Our technician photographs everything before touching a tool, shows you the problem, and gives you the exact price before work begins. No surprises on the bill. The 90-Day Done Right Promise covers all damper work in writing, no arguing. If it doesn’t seal, doesn’t operate smoothly, or fails for any reason in that window, we come back and make it right.
DIY or Call Us?
There’s a safe middle ground here. You can verify the model number with a flashlight and mirror, check that the handle isn’t simply disconnected at the linkage, and confirm whether the problem is mechanical or the plate itself. What you should not do is climb into the firebox with pry bars or attempt to force a seized mechanism. Damper plates are heavy cast iron, and a slipped tool in a confined throat space can crack the frame or damage the smoke chamber above. More importantly, a misdiagnosed damper problem can mask a deeper issue, a deteriorated smoke chamber, a blocked flue, or a liner failure that only a camera inspection reveals.
We bring Famco-compatible parts, the right tools, and a Level-2 camera to every damper call in Severna Park. Most replacements finish in under two hours. Call (443) 464-2560 and we’ll walk through what you’re seeing. If it’s something simple, we’ll say so. If the chimney is not safe to use, I will say so. If it is, I will say that too.
FAQs
A cast-iron Famco damper typically lasts 20-30 years with annual sweeping and moderate use. In Severna Park, the combination of humid summers and salt air off the Chesapeake can accelerate frame corrosion, especially if the fireplace sits unused and damp for months. We’ve replaced Famco dampers as young as 15 years in homes with poor chimney caps, and seen others pass 35 years in well-maintained systems. Call (443) 464-2560 for an exact assessment of yours.
Sometimes. A disconnected linkage, a loose set screw, or surface rust on an otherwise sound plate can be addressed without full replacement. But a cracked plate, warped frame, or corroded pivot seat is not repairable in any lasting way. We don’t patch and pray. If the fix won’t hold for the long haul, we’ll tell you plainly and show you why on camera.
Most Famco damper replacements take 90 minutes to two hours from ladder set to final test burn. If the frame is embedded in mortar or the smoke chamber needs refractory repair, it can stretch to half a day. We complete most jobs in a single visit because we stock Famco-compatible plates, frames, and hardware on every truck serving Severna Park.
We stock Famco-compatible damper plates and frames from Olympia Chimney, Copperfield, and Gelco on our trucks, sized for the common 30″, 32″, and 36″ throats we see in Severna Park. For rare or obsolete Famco prefab assemblies, we can typically source within 24-48 hours. We do not wait on homeowners to source parts, and we don’t install customer-supplied components, no warranty confusion, no mismatched specs.
Written by Russell Haines, Owner, Hearthstone Chimney Co. at Hearthstone Chimney Co., serving Severna Park and nearby areas.





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