Can I use the fireplace until the liner is replaced?

No. A damaged liner lets heat and carbon monoxide reach the structure of the house, so the appliance should not be used until it is verified. If an alarm sounds or anyone feels unwell, get outside and call 911.

Why do so many Rochester chimneys need relining?

Much of the city's housing predates 1940 and many of those homes keep their original masonry chimneys and fireplaces, which need periodic liner and crown inspection. Undersized or unlined flues are common in that stock. Add repeated freeze-thaw cycles and a heating season running roughly October through April, and clay tile takes a beating.

Do I need a permit in Rochester?

Permits for chimney work in New York are issued by the local municipal or county building department, not by the state. Relining as part of an appliance installation usually needs one; sweeping and inspection generally do not. Ask your local code enforcement office before the work starts.

When is the best time of year to book this?

Demand in Rochester spikes in late fall before the first hard freeze, and again during the January–February lake-effect snow events and the spring thaw. Statewide, exterior masonry work concentrates in warmer months when mortar can cure without freezing. If you have been told the liner is cracked, do not wait for a quieter month to have it looked at.

How do I know the relining is really needed?

Ask the technician to show you the camera footage of your own flue and to put the reasoning in writing. A camera inspection comes first for exactly that reason. You can see the condition of the tiles yourself before deciding anything.

Stop using the door

Liner damaged in Rochester, NY

Someone has looked up your flue and told you the liner is cracked. That means the layer meant to keep heat and combustion gases inside the chimney is no longer doing it. In an older masonry chimney that usually means clay tiles that have split, shifted or lost their mortar joints. Until it is verified, treat the fireplace or stove as out of service.

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Rochester gives liners a hard time. Much of the housing stock here predates 1940 — wood-frame Victorians, foursquares, colonials and bungalows, plus a good amount of brick — and many of those homes still have their original masonry chimneys and flues. Some are undersized. Some were never lined at all. New York's heating season runs roughly October through April, and repeated freeze-thaw cycles work on crowns, mortar joints and brick faces, especially once a flue has taken on moisture. Humid summers keep an unused flue damp, which is why creosote odours and staining often show up long before anyone looks inside.

While you wait — please don't

Stop using the fireplace or stove. A damaged liner lets heat and carbon monoxide reach the timber and structure of the house, so the appliance should stay cold until the flue has been checked and verified.
Get out and call 911 if anyone feels unwell. Headache, dizziness, nausea or a carbon monoxide alarm sounding means everyone leaves the building first and calls 911 from outside — do not stay inside to investigate.
Do not relight after a chimney fire. Clay tiles crack in a chimney fire, and the flue must be inspected before it is used again even if the fire seemed to put itself out.
Do not switch a fireplace to gas without addressing the liner. Converting to gas without relining leaves acidic condensate sitting against the masonry and attacking it from the inside.

What the technician does

Camera inspection firstThe technician runs a camera up the flue before anything else, so the condition of the tiles and joints is seen rather than guessed at. Ask to watch the footage with them.
Appliance and flue matchedThe liner has to suit what it is venting. Size, material and termination are matched to the fireplace, wood stove or gas appliance on the other end.
Stainless steel liner, insulated where requiredA stainless liner sized to the appliance is the usual answer in an older masonry chimney. Insulation is added where the installation calls for it.
Cast-in-place lining where appropriateSome chimneys suit a cast-in-place lining instead, particularly where the existing flue is irregular. The technician explains which applies to yours and why.
Cap and crown handled at the same timeWater entering at the top is often part of the story, so the cap and crown are addressed while the chimney is open rather than left for later.
Price before work startsThe technician inspects, then gives you the price. Nothing begins until you have approved it.

Why this happens in Rochester, NY

Rochester sits just south of Lake Ontario and takes heavy lake-effect snow, with long stretches below freezing. Snow load and ice put stress on chimney flashing, crickets and caps, and each freeze-thaw cycle opens mortar joints a little further. Water that gets into a flue in November is still in the masonry in January. That is the cycle that turns a hairline crack in a clay tile into a liner that has to be replaced.

There is no statewide chimney sweep or chimney inspection licence in New York — this work is regulated locally, and many upstate municipalities require only local registration. Permits are issued locally too, by the municipal or county building department and code enforcement officer, not by a state agency. Relining a flue as part of an appliance installation typically needs a permit, while routine sweeping and inspection generally do not. Requirements vary between jurisdictions, so call your local building department before work begins. Solid-fuel installations in New York are commonly evaluated against the NFPA 211 standard and the appliance manufacturer's listed instructions, alongside the New York State Uniform Code.

Questions people ask

Can I use the fireplace until the liner is replaced?: No. A damaged liner lets heat and carbon monoxide reach the structure of the house, so the appliance should not be used until it is verified. If an alarm sounds or anyone feels unwell, get outside and call 911.
Why do so many Rochester chimneys need relining?: Much of the city's housing predates 1940 and many of those homes keep their original masonry chimneys and fireplaces, which need periodic liner and crown inspection. Undersized or unlined flues are common in that stock. Add repeated freeze-thaw cycles and a heating season running roughly October through April, and clay tile takes a beating.
Do I need a permit in Rochester?: Permits for chimney work in New York are issued by the local municipal or county building department, not by the state. Relining as part of an appliance installation usually needs one; sweeping and inspection generally do not. Ask your local code enforcement office before the work starts.
When is the best time of year to book this?: Demand in Rochester spikes in late fall before the first hard freeze, and again during the January–February lake-effect snow events and the spring thaw. Statewide, exterior masonry work concentrates in warmer months when mortar can cure without freezing. If you have been told the liner is cracked, do not wait for a quieter month to have it looked at.
How do I know the relining is really needed?: Ask the technician to show you the camera footage of your own flue and to put the reasoning in writing. A camera inspection comes first for exactly that reason. You can see the condition of the tiles yourself before deciding anything.

One call

One Call Chimney is a referral and scheduling service — we arrange the work with independent sweeps and masons across all fifty states, including Rochester, and we are not the contractor. Call (866) 576-7943 for a free estimate: the technician inspects the chimney and gives you the price before any work starts, and you approve it first.

Call now · (866) 576-7943

Something else in this area

One Call Chimney arranges the visit; the technician does the work and gives you the price.