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 Dallas Owner’s Guide
We stock and install Famco-compatible flue liner replacement in Dallas, with typical installed pricing running $1,800-$3,400 depending on diameter, height, and whether the chase top needs resealing after the pull. Most Famco liner jobs we book in Dallas are completed in a single day, and we carry common diameters from 5.5″ to 8″ on the truck for same-day starts when the inspection’s already done. Homeowners usually discover the failure during a sweep when the camera catches cracked terracotta, separated joints, or a liner that’s pulled away from the appliance collar - sometimes after a chimney fire or a CO alarm event that finally forced the call.
Which Famco Models This Applies To
Famco flue liners ship in two distinct product lines that matter for replacement matching: the Famco Flex series (304 or 316 stainless, corrugated or smooth-wall) and the older rigid-segment systems found in pre-2010 Dallas builds, especially in Lakewood and the M Streets where builders spec’d Famco for cost on spec homes. The flex lines carry a part-number stamp near the top termination, usually readable from the roof with a flashlight; rigid segments require a camera pass to count sections and measure inner diameter at the thimble. We source replacement Famco liner through Haven’s buying network, but we also match HeatShield and DuraFlex equivalents when the original part is back-ordered or discontinued. The gotcha on Famco flex is the collar-to-adapter geometry: their 6″ flex uses a proprietary twist-lock that doesn’t mate with standard Z-flex or DuraFlex collars without a machined transition. We stock those transitions because we’ve hit the mismatch enough times in Dallas jobs, particularly on 1980s ranch-style homes in Richardson and Garland where Famco was the default spec.
Signs Your Famco Flue Liner Replacement Is Failing

- White efflorescence or spalling brick on the chimney exterior. This means flue gases are leaking through cracks in the liner and condensing in the masonry. In Dallas, the clay-heavy soil shifts seasonally, and that micro-movement fatigues rigid liner joints faster than in stable-bedrock markets.
- Smoke drafting back into the room or a persistent “campfire” smell when the system’s cold. A separated Famco flex collar or a collapsed corrugated section creates a pressure leak that reverses draft, especially on windy days common to Dallas spring fronts.
- Chunks of clay or stainless debris in the firebox or cleanout. Terracotta liners spall; flex liners tear at stress points. Either way, material falling down means the containment barrier is breached and creosote is reaching combustible framing.
- Visible gaps or daylight through the flue wall on camera inspection. The NFPA 211 Level 2 standard we work to flags any gap that allows flame or ember contact with surrounding structure. Famco rigid segments are prone to joint separation after 15-20 years of Dallas thermal cycling.
- A chimney fire event, even a small one. Class III glazed creosote burns above 2,000°F. That heat shock warps stainless flex and cracks terracotta. After any fire, the liner is suspect until the camera proves otherwise.
Before
AfterReplacement Cost & What’s Included
| Scope | Price Range |
|---|---|
| Famco flex liner replacement, 5.5″-6.5″, single-story | $1,800-$2,400 |
| Famco flex liner replacement, 7″-8″, two-story or chase modification | $2,600-$3,400 |
| Chase top reseal or replacement (often needed) | $280-$450 |
| NFPA 211 Level 2 camera inspection with photo record | Included |
| Written scope, written price, written warranty | Included (Haven Standard Clause 1) |
What drives the range: height of the flue (more material, more labor), diameter (Famco 8″ smooth-wall costs nearly double per foot versus 6″ corrugated), and whether the chase top or termination needs reworking after the old liner’s extracted. We deliver a written price before any work starts, not a ballpark that balloons. Every Famco liner replacement carries the 365-Day Done Right Promise and a documented photo record under Haven Standard Clause 4.
DIY or Call Us?

There’s exactly one safe DIY step here: pop the cleanout door and look for debris or visible gaps with a flashlight. Don’t run a brush or attempt a liner pull yourself. A flue liner replacement involves working at height on a Dallas roof (often 8/12 pitch or steeper on two-story homes), handling 20-40 feet of stainless flex that kinks permanently if mishandled, and sealing the termination to code. More critically, the old liner may be the only thing containing creosote-soaked masonry; disturbing it without containment risks a chimney fire or CO release into the living space. Corrine Halstead and our crew have pulled Famco liners in Dallas for years, including jobs where the homeowner started the job and stopped at the first stuck joint. Camera goes in first. Everything else follows. Call (972) 284-1392 and we’ll scope it, price it in writing, and handle the pull and replacement start to finish.
FAQs
304 stainless Famco flex runs 15-20 years in Dallas before fatigue cracks appear at stress points; 316 stainless stretches toward 25 years if the chase stays dry. The rigid terracotta segments common in 1970s-1990s Dallas homes often fail at 20-30 years from thermal cycling and foundation shift. Call (972) 284-1392 for a camera assessment of your specific flue.
Localized cracks in terracotta can sometimes be addressed with HeatShield cerfractory foam if the damage is under ¼” wide and confined to a single joint, but separated segments or corrugated flex tears require full replacement. We don’t recommend patching a liner that has already leaked combustion gases; the surrounding masonry may be compromised in ways a patch won’t address. Call (972) 284-1392 for a free second opinion on any repair-versus-replace estimate.
Most Famco flue liner replacements we complete in Dallas take one full day: morning for the camera confirmation and old liner extraction, afternoon for the new pull, collar connection, and termination seal. Two-story homes or jobs requiring chase top rebuild may extend to a second day. We book a start date, not a “sometime between 8 and 5” window.
We carry 5.5″, 6″, 6.5″, 7″, and 8″ diameters in 304 and 316 stainless on our Dallas trucks, plus the proprietary Famco collar transitions and termination caps. Less common sizes or rigid segments we pull from Haven’s buying network, usually within 24-48 hours. If your liner’s failed mid-burning season, we’ll know same-day whether we can start immediately or need to order.
Level Two Chimney Dallas is an independent service provider; we are not affiliated with Famco. We source Famco-compatible parts through Haven’s buying network alongside DuraFlex, HeatShield, and Gelco equivalents.
Ready to see what your flue actually looks like? Call (972) 284-1392. A live person answers 24/7, we’ll book your NFPA 211 Level 2 camera inspection, and you’ll have a written price before any work starts. Free second opinions on any competitor’s written estimate.
Written by Corrine Halstead, Owner, Level Two Chimney Dallas at Level Two Chimney Dallas, serving Dallas and nearby areas.





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