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 Southampton Owner’s Guide
Famco damper repair in Southampton typically runs $280-$520 installed, depending on whether the throat plate, frame, or both need replacement. We stock Famco-compatible damper assemblies and hardware on our trucks, and most swaps are completed in a single visit. If your damper won’t open fully, won’t stay closed, or you’re feeling a cold downdraft even with the firebox empty, the issue is usually a warped plate, corroded pivot pins, or a failed spring tensioner.
Most Southampton homeowners notice the problem in late October, right before the first real fire of the season. The damper worked fine last March, but six months of salt air off Shinnecock Bay and the humidity swings we get between the Atlantic and Peconic Bay have a way of seizing up steel components that were already thin. We’ve replaced Famco dampers in homes from North Sea to Sag Harbor, and the story is almost always the same: the part was original to a 1980s or 1990s build, and the owner assumed it would last forever because it sits above the fireline.
Which Famco Models This Applies To
Famco manufactured throat dampers in several series, and the critical distinction is whether your unit uses a cast-iron frame or the lighter stamped-steel version common in prefabricated fireplace installations from the 1990s. The cast-iron frames, typically marked with a “CI” prefix on the handle bracket, accept replacement plates in 8-inch, 10-inch, 12-inch, and 13-inch widths. The stamped-steel series, often found in homes built during Southampton’s expansion period of the late 1980s through mid-1990s, use a narrower 3/16-inch pivot pin and a thinner plate that warps more readily.
To identify your model, look for the stamped code on the handle side of the frame, visible with a flashlight and a mirror. If you see “FD-8,” “FD-10,” or similar, that’s the series identifier. The plate itself may carry a separate part number beginning with “FP.” We carry both OEM Famco replacement plates and heavier-gauge aftermarket equivalents from Copperfield that fit the same frame but resist warping longer in coastal conditions. For stamped-steel frames that have cracked at the pivot boss, replacement of the entire assembly is the only sound repair. We do not recommend generic hardware-store dampers as substitutes; the dimensions are close enough to install but rarely seal properly, and a poor seal is what lets creosote odor and cold air into the room.
Hearthstone Chimney Co. is an independent service provider. We are not affiliated with Famco.
Signs Your Famco Damper Repair Is Failing
- The handle moves but the plate doesn’t follow. The pivot pin has corroded inside the frame boss, or the linkage between handle and plate has separated. This is common in Southampton homes within a mile of the water, where salt air accelerates oxidation of the mild-steel pin. The plate hangs partially open, bleeding heat up the flue year-round.
- The plate seals when cold but gaps open once the fire is lit. Heat expansion is warping a thin or previously cracked plate. Famco’s stamped-steel plates are particularly prone to this after fifteen to twenty years of thermal cycling. You’ll feel the draft on your neck while the fire is burning, and your firewood consumption increases noticeably.
- The damper won’t stay fully open without propping. The spring tensioner has weakened or the detent mechanism is worn. This is a safety issue: a damper that drifts closed restricts draft and can push smoke and carbon monoxide into the living space. Do not operate the fireplace with a prop stick as a permanent solution.
- You hear metal scraping or clicking when operating the handle. The plate has dropped out of alignment and is contacting the frame throat. Continued operation will groove the frame and turn a plate replacement into a full assembly job. We see this most often in older Southampton Village homes where decades of creosote buildup has added weight to the plate.
- Visible rust flakes or orange staining on the firebox floor beneath the damper. The plate or frame is actively corroding from the top down, usually due to a chimney cap failure that has allowed rain and salt mist to enter. The rust is not cosmetic; it indicates thinning metal that will soon fail structurally.
Replacement Cost & What’s Included
| Repair Scope | Typical Range |
|---|---|
| Famco replacement plate only (cast-iron frame sound) | $280-$380 |
| Complete Famco damper assembly replacement | $420-$520 |
| Frame weld repair plus plate (limited cases) | $340-$450 |
These prices include the part, labor, and our Level-2 camera inspection to verify the repair and check for contributing problems like a missing or damaged chimney cap. We do not quote over the phone without knowing the frame type and plate size, but we do provide firm, no-hassle upfront pricing once we’ve looked. The number on the estimate is the number on the invoice.
What drives the range: cast-iron frames in good condition need only a plate; stamped-steel frames often require full assembly replacement; and accessibility varies. Some Southampton homes have particularly deep firebox throats or original masonry that narrows the working space. Every job is backed by our 90-Day Done Right Promise in writing. If it’s not right, we come back. No paperwork, no arguing.
DIY or Call Us?
There is one safe check a homeowner can make: with the firebox cold and a flashlight, look up at the damper plate and confirm whether the handle linkage is still connected. If the pin is visible and the plate moves with the handle, the mechanism is intact and the issue is likely plate condition or frame corrosion, neither of which is a DIY repair.
What goes wrong when owners try this themselves: working above your head in a confined firebox throat, handling a steel plate that weighs eight to fourteen pounds depending on width, and reinstalling pivot pins with proper tension. A dropped plate can crack firebrick. A misaligned pin can jam the damper in a dangerous position. And without a camera inspection, you cannot see whether the frame itself is cracked or the smoke shelf above is compromised. We’ve been called to Southampton homes where a well-intentioned owner made a three-hour job into a two-day repair that required firebox repointing.
Our technicians carry Famco-compatible plates and full assemblies on the truck. Most jobs are completed in a single visit. Call (516) 619-2915 for a free estimate.
FAQs
In Southampton’s coastal climate, a cast-iron Famco frame typically lasts thirty to forty years, but the plate inside it often needs replacement at fifteen to twenty years due to thermal cycling and salt-air corrosion. Stamped-steel assemblies rarely reach twenty years before the frame itself requires replacement. Annual inspection catches the transition point before a plate failure damages the frame.
Sometimes. If the cast-iron frame is sound and only the plate is warped or cracked, we replace the plate. If the pivot pin is seized but the boss is undamaged, we can sometimes extract and replace the pin. Once the frame is cracked or the throat opening has eroded beyond spec, replacement is the only repair that seals properly. We make that determination with a camera inspection and show you the image before you decide. Call (516) 619-2915 for a free estimate.
Most Famco damper replacements take ninety minutes to two hours from ladder set to final camera verification. Deep fireboxes, original masonry throats, or the need to remove and reset a gas log set can add time. We schedule with enough margin that we’re never rushing the seal check.
We carry Famco-compatible replacement plates in 8-inch, 10-inch, 12-inch, and 13-inch widths, plus complete cast-iron and stamped-steel assemblies. We also stock Copperfield aftermarket plates that fit Famco frames with heavier gauge steel for longer service life in coastal conditions. For less common sizes or specialized top-sealing dampers, we order with next-day availability. In forty-two years, we’ve yet to leave a Southampton homeowner without heat because of a parts delay.
A clean flue does the talking - you just need a warm fire to hear it.
Call (516) 619-2915 for a free estimate on Famco damper repair in Southampton. A live person answers every call, every day, every hour. We’ll be there when we say. Done right - and we stand behind it.
Written by Russell Haines, Owner, Hearthstone Chimney Co. at Hearthstone Chimney Co., serving Southampton and nearby areas.





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