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 Flue Liner Replacement: The Northport Owner’s Guide
We stock and install Famco-compatible flue liner replacement in Northport, with typical installed pricing running $1,800-$3,400 depending on height, diameter, and whether the liner is rigid or flexible. Most Famco liner replacements we book are completed in a single visit because we carry the common diameters and termination fittings on our trucks. Northport homeowners usually discover the problem mid-season: a smoky fireplace, a tar-like smell from the hearth, or a chimney sweep’s camera revealing gaps, corrosion, or clay tile shards that the original Famco liner was meant to protect against.
Which Famco Models This Applies To
Famco manufactured several liner series over the years, and the model identifier matters for getting the right replacement. Look for a stamped metal tag near the top termination or a paper label on the original documentation: the FAM-SS series denotes 304-alloy flexible liners, while FAM-SS316 indicates the higher-grade 316-alloy version used for oil and coal applications. The rigid Famco line, less common in Northport but found in some 1980s center-hall colonials, used telescoping sections marked with the diameter and gauge.
We match to spec, not just to brand. A 6-inch FAM-SS flexible liner at 25 feet requires the correct collar adapter and a termination cap with the proper spark arrestor mesh for Suffolk County code. Aftermarket equivalents from Olympia Chimney or Gelco meet the same UL 1777 standard and often ship faster, but we verify alloy grade and wall thickness before substituting. Mixing a 304 termination with a 316 liner, or vice versa, accelerates galvanic corrosion at the joint. That’s a compatibility gotcha we’ve caught on three Northport inspections this past year alone.
Signs Your Famco Flue Liner Replacement Is Failing
- Smoke backing up into the room on startup. The liner may have separated at a joint or collapsed section, breaking the draft column. In Northport’s older homes near the harbor, we’ve found salt air corrosion attacking the lower collar where condensation pools.
- Tar-like creosote dripping into the firebox. A compromised liner allows flue gases to cool before reaching the top, condensing unburned hydrocarbons against the chimney walls. The Famco liner’s job is to keep gases hot and moving; once it fails, the creosote forms fast.
- White or orange powder on the liner surface. That’s chloride corrosion from combustion byproducts eating the alloy. On Famco 304 liners serving oil equipment, we’ve seen this appear in as little as 12 years, well short of the 15-20 year nominal lifespan.
- Pieces of clay tile in the cleanout. If your chimney was relined with Famco flexible liner over original clay, tile fragments mean the liner has shifted or the top plate has leaked water, undermining the surround.
- Carbon monoxide detector alerts near the fireplace. A breached liner can leak combustion gases into wall cavities or the living space. This is not a troubleshooting moment; evacuate and call us or the fire department.
Replacement Cost & What’s Included
| Component | Typical Range (Northport) |
|---|---|
| Famco-compatible flexible liner (6″, 20-25 ft) | $800 - $1,400 |
| Rigid Famco or equivalent sections | $1,100 - $1,800 |
| Top plate, collar adapter, termination cap | $280 - $450 |
| Labor: removal, installation, sealing | $650 - $1,100 |
| Level-2 camera inspection & photo report | Included |
| Total installed | $1,800 - $3,400 |
What drives the range: chimney height above roofline (steep pitches on Northport’s two-story colonials add ladder time), diameter (5-inch for some gas inserts, 8-inch for open hearths), and whether we’re pulling new liner down a straight flue or navigating offsets. Every estimate we write in Northport includes the number on the invoice. No surprises on the bill. The liner itself carries the manufacturer’s warranty; our installation is covered by the 90-Day Done Right Promise, in writing, no arguing.
DIY or Call Us?
There’s a short list of what a Northport homeowner can safely verify: check the cleanout for debris, confirm the damper opens fully, and look for obvious gaps at the firebox throat. Beyond that, flue liner replacement involves working at height, handling sharp stainless edges, and ensuring proper draft calculations for your specific appliance and chimney height. The National Fire Protection Association 211 standard governs this work for good reason.
We’ve been called after DIY attempts where the liner was the right diameter but the wrong alloy for the fuel type, or where the top plate was sealed with hardware-store caulk that failed the first freeze-thaw cycle. In Northport’s climate, with salt air off the Sound and freeze cycles that start in late November, those shortcuts show up fast. If the chimney’s doing its job, you won’t think about it. My goal is to keep it that way. Call (631) 528-2501 and we’ll walk through what you’re seeing, no charge for the conversation.
FAQs
A properly installed 316-alloy Famco liner typically serves 15 to 20 years in this area; 304-alloy liners closer to 10 to 15, especially with oil or coal appliances. Salt air exposure and acidic condensation from modern efficient appliances can shorten that. Call (631) 528-2501 for an exact quote - estimates are free.
Localized damage sometimes qualifies for a HeatShield cerfractory seal or a stainless repair sleeve, but only if the liner is structurally sound overall and the damage is accessible. We make that call after camera inspection, not before. Call (631) 528-2501 for an exact quote - estimates are free.
Most Famco liner replacements we complete in Northport are done in four to six hours from setup to final photo documentation. Taller chimneys or those with multiple offsets may run into a second day. Call (631) 528-2501 for an exact quote - estimates are free.
We carry the common diameters, termination fittings, and collar adapters for Famco-compatible systems on our trucks. Less common sizes or rigid sections we source within 24 to 48 hours. Call (631) 528-2501 for an exact quote - estimates are free.
Written by Russell Haines, Owner, Hearthstone Chimney Co. at Hearthstone Chimney Co., serving Northport and nearby areas.





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