Famco Damper Repair Nationwide

Famco Damper Repair: The Alpharetta Owner’s Guide

Famco damper repair in Alpharetta typically runs $280-$520 installed, depending on whether we’re replacing the plate, the frame, or the full assembly. We stock Famco-compatible parts on our trucks and can usually complete the swap same visit. Most Alpharetta homeowners discover the problem on the first cold snap when smoke rolls back into the living room or they feel a persistent draft even with the damper “closed.”

Call (678) 679-0171

Which Famco Models This Applies To

Famco built throat dampers across several decades under names that don’t always match the part in your flue. The common series we see in Alpharetta homes are the FD (cast-iron frame with stainless plate), the FDL (low-profile for prefab fireplaces), and the older FDB butterfly assemblies found in 1980s and 1990s construction off Webb Bridge Road and near Wills Park. The critical compatibility gotcha is frame width: Famco used both 13-inch and 15-inch standard frames, but some custom builder specs in Alpharetta’s 2000s-era subdivisions run 14.5 inches. A replacement plate ordered by “standard” size will sit crooked and leak.

To identify yours, look for the stamped model number on the frame edge (visible with a flashlight, not a phone camera) or measure the frame opening width and depth. We carry both OEM Famco parts and quality aftermarket equivalents from our Haven buying network. Aftermarket plates from Olympia Chimney and Gelco match Famco specs at lower cost, but we won’t install one without confirming the alloy grade matches your flue temperature rating. Clause 1 of the Haven Standard requires the written price include the exact part number before we start.

Signs Your Famco Damper Repair Is Failing

• Cold air pours down the flue even when the damper is shut. The Famco plate has warped or the sealing edge has corroded. In Alpharetta’s humidity cycles, cast-iron plates rust at the thin edge first, creating a gap that looks closed from below but leaks like an open window.
• The handle moves but the plate doesn’t pivot. The Famco linkage pin has seized or sheared. Older FD-series units used a mild-steel pin that corrodes solid; the handle feels like it’s working because the linkage flexes, but the plate hasn’t moved in years.
• You see rust flakes or debris falling from the damper area. The frame is spalling (flaking) from the inside. This is common in Alpharetta homes where the chimney crown cracked early and moisture has been dripping onto the frame for multiple seasons.
• Smoke back-puffs when starting a fire. The plate is stuck partially open, or the low-profile FDL frame is coated with creosote buildup that prevents full closure. Class III creosote, the hardened tar-like stage, can cement a plate in place.
• The handle is missing or the chain hangs loose. Someone forced it. Famco handles thread into a cast boss that strips easily if the plate was already seized. We find this most often in homes where the previous owner “fixed” it with pliers and left the real problem.

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Replacement Cost & What’s Included

The range depends on three things: whether we can access the damper without removing the firebox surround (some Alpharetta builder specs from 2005-2015 buried the frame behind decorative panels), the condition of the mortar seat, and whether we find secondary issues during the camera scan. We quote the full number in writing before touching a tool. Every Famco damper repair includes NFPA 211 Level 2 camera inspection to verify the seal and a documented photo record under Haven Standard Clause 4. The 365-Day Done Right Promise covers the work.

DIY or Call Us?

Here’s what you can safely check yourself: look up the flue with a flashlight for obvious rust, try the handle gently (don’t force it), and note any model numbers you can read. That’s the boundary.

What goes wrong past that point: the Famco frame sits in a bed of refractory mortar that crumbles when disturbed. Without the right backer and packing, you’ll have a loose frame that leaks worse than the original problem. The plate itself is heavy cast iron; dropping it damages the smoke chamber below. And if the frame is spalled, a new plate on a rotten frame is money thrown away. The camera doesn’t soften anything, and neither do I - we document what we find, quote what it costs, and you decide. Call (678) 679-0171 and we’ll bring the right Famco-compatible part to your door in Alpharetta.

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