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.
Olympia Chimney Flue Liner Replacement: The Danbury Owner’s Guide
We stock and install Olympia Chimney-compatible flue liner replacement in Danbury, with most jobs running between $2,800 and $4,500 installed depending on height, diameter, and whether the surrounding masonry needs attention. In Fairfield County, we typically have the right diameter and alloy on the truck for same-day completion on standard runs. Most Danbury homeowners discover the problem during a routine sweep when our camera finds cracked terra cotta, or when they notice bits of clay tile in the firebox after a burn.
Which Olympia Chimney Models This Applies To
Olympia Chimney produces stainless steel chimney liner systems in 304 and 316Ti alloys, with the 316Ti carrying the higher temperature rating for wood-burning applications common in older Danbury homes. The critical match points are inside diameter, total linear feet, and whether your existing system uses a top-down or bottom-up termination. We’ve replaced liners in Olympia systems ranging from 5-inch diameter for gas inserts up to 8-inch for full masonry fireplaces in the Lake Waubeeka area.
The model designation is stamped on the top termination cap or on a tag near the collar where the liner meets the appliance adapter. If that tag is corroded, which happens after fifteen Fairfield County winters, we measure the existing flue and pull a camera to confirm the full run condition. OEM Olympia liner carries the factory warranty, but we also source compatible 316Ti from our regular suppliers when the lead time on factory stock doesn’t suit a heating-season repair. Either way, we document the alloy grade and wall thickness in your report before we start.
Signs Your Olympia Chimney Flue Liner Replacement Is Failing
- Clay tile fragments in the firebox or hearth. Terra cotta flue tiles crack from thermal cycling, especially in Danbury’s freeze-thaw climate where a chimney cools overnight and heats rapidly during evening burns. Once the liner surface is compromised, combustion gases can reach the masonry surround.
- White or powdery efflorescence on exterior brick. Moisture carrying salts through the chimney wall means the liner is no longer containing exhaust moisture. We see this frequently on north-facing exposures in the Clapboard Ridge Road area where sun doesn’t dry the masonry.
- Smoke odor in upstairs rooms during or after a fire. A breached liner allows smoke to find gaps in the mortar joints and travel through wall cavities. This is not a draft problem you can adjust away.
- Rust staining on the chimney breast or ceiling nearby. Condensation forming on an unlined or damaged flue surface corrodes metal components and saturates surrounding materials. In gas installations, this often precedes visible liner failure by a season or two.
- Our camera inspection shows spalling, gaps, or glazed creosote on the liner surface. Level-2 inspection is definitive. We photograph every foot and explain what we’re seeing before recommending replacement versus repair.
Replacement Cost & What’s Included
| Component | Typical Range |
|---|---|
| Olympia-compatible 316Ti liner (materials only) | $1,200 - $2,400 |
| Labor: removal, installation, insulation wrap | $1,100 - $1,600 |
| Top termination and appliance adapter | $280 - $450 |
| Insulation blanket (required by code for solid-fuel) | $220 - $380 |
| Level-2 camera inspection and photo report | Included |
Total installed cost in Danbury typically falls between $2,800 and $4,500. Taller chimneys on multi-story Colonials push the upper end, as do liners requiring insulation for wood-burning under current Connecticut building code. Gas-only replacements run lower since insulation requirements differ. We quote the full number before booking, and that number doesn’t change unless we find concealed damage we document with photos. The 90-Day Done Right Promise covers the installation, and the liner itself carries a manufacturer warranty we register on your behalf.
DIY or Call Us?
A homeowner can safely check the termination cap for visible rust and confirm the damper operates freely. What you cannot safely do is drop a liner down a multi-story flue, properly insulate it, and seal the top and bottom connections to code. The 316Ti coil is heavy, the insulation wrap requires working at roof height, and an improper seal at the appliance adapter creates a carbon monoxide path into living space. Connecticut code also requires a permit and inspection for liner replacement in most municipalities.
We carry Olympia Chimney-compatible diameters on our trucks, and most Danbury replacements we complete in a single visit. Call (475) 375-9457 and tell me what you’re seeing, and I’ll tell you what it actually means.
FAQs
A properly installed 316Ti stainless liner in a maintained chimney typically lasts 15 to 25 years in Fairfield County’s climate, though acidic condensation from modern efficient appliances can shorten that toward the lower end. Annual inspection catches deterioration before it becomes a safety issue. Call (475) 375-9457 for a camera check - estimates are free.
Small gaps at the top can sometimes be addressed with a HeatShield cerfractory seal if the underlying tile is structurally sound, but cracked or displaced terra cotta through the full flue run requires full replacement. We never recommend repair without camera evidence you can see for yourself. Call (475) 375-9457 to schedule a Level-2 inspection.
Most standard single-flue replacements in Danbury are completed in four to six hours, with the crew arriving in the morning and the system ready for use by evening. Complex configurations or multiple flues may extend to a second day, which we disclose in the upfront quote. Call (475) 375-9457 to discuss your specific chimney layout.
We stock 316Ti liner in the diameters that fit most Danbury-area fireplaces and heating appliances, along with the termination hardware and insulation required for code-compliant installation. Uncommon sizes or specialty alloys may require a two-day order, which we confirm when you call. Call (475) 375-9457 to verify availability for your model.
Hearthstone Chimney Co. is an independent service provider, not affiliated with Olympia Chimney Corporation.
Written by Russell Haines, Owner, Hearthstone Chimney Co. at Hearthstone Chimney Co., serving Danbury and nearby areas.





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