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.
Fast, Reliable Chimney Liner & Rebuild Across Montville
Chimney liner replacement and chimney rebuild work in Montville typically costs between $2,800 and $8,500 depending on whether you’re relining a single gas flue or rebuilding multiple masonry flues on a colonial with two or three fireplaces. Most of our Montville customers get their inspection scheduled within a week, and our Chimney Liner & Rebuild crew completes the majority of liner installations and partial rebuilds in a single day on site. We’re familiar with the township’s wooded neighborhoods off Changebridge Road, the cul-de-sacs near the Towaco border, and the larger estates along Hook Mountain Road - homes built during the 1970s through the 1990s with multiple masonry fireplaces that now need honest assessment after thirty to fifty years of service.
Call us at (973) 604-2986. A live person answers, day or night.
Why Hearthstone Chimney Co. Is Montville’s Preferred Chimney Liner & Rebuild Company
We’ve been serving Morris County for over 42 years. In that time we’ve learned that Montville homeowners are straightforward people who want the facts, a fair price, and a crew that shows up when promised. Our technicians are background-checked and uniformed, and we document every inspection with photos you can see alongside a plain-English verdict - no jargon, no scare tactics.
Our 90-Day Done Right Promise is in writing with no arguing. If something isn’t right, we come back and make it right. That’s the Keystone Standard, and it’s governed by our K.E.Y.S. code: Krafted right, Every time, Your home first, Standing behind it.
Scheduling and dispatch for Montville runs through our New York City office, but the crew that arrives at your door knows the local conditions - the hard freeze-thaw cycling that cracks clay tile in the Morris County Highlands fringe, the mature oak canopy that drops debris into flue openings each October, and the specific pattern of 1990s gas-insert retrofits that vented into original oversized wood flues with no stainless liner installed.
Most jobs are completed in a single visit. We give you no-hassle upfront pricing - the number on the estimate is the number on the invoice.
Our Chimney Liner & Rebuild Services in Montville
Stainless Steel Liner Installation
A stainless steel liner is the correct fix for most Montville homes with gas inserts or wood-burning appliances in original masonry chimneys. We size the liner to the appliance, not to the old flue, using DuraFlex or Olympia Chimney products rated for the specific fuel type and BTU output. In Montville’s 1980s-2000s gas retrofits, we regularly find inserts venting into 13×13 clay tile flues built for open-hearth wood fires - an enormous mismatch that causes sustained condensation, accelerated spalling, and carbon monoxide risk. A properly sized stainless liner corrects the draft, contains the exhaust, and brings the system into compliance with current NFPA 211 standards.
Typical stainless liner installation in Montville runs $2,800-$4,500 for a single-flue gas application, $3,500-$5,800 for a wood-burning flue with insulation wrap.

Flexible Liner Systems
Some Montville chimneys have offset flues, tight cleanout openings, or structural quirks that make rigid stainless pipe impractical. Flexible liners from trusted brands navigate these obstacles without breaking the masonry envelope. We use professional-grade flexible products from Gelco and Copperfield, installed with proper connectors and termination caps. The flexible option costs roughly the same as rigid in straightforward applications, sometimes slightly more when offsets require additional labor.

Liner Replacement
When clay tile has cracked from freeze-thaw damage or a previous liner has corroded through, full liner replacement is the only safe path. We remove the failed material, inspect the surrounding masonry with our Level-2 camera, and install a new system sized correctly for each appliance. In Montville’s multi-flue homes near the Towaco section, we often replace two or three liners in sequence during a single project - coordinated scheduling that minimizes disruption to a household with multiple fireplaces in regular use.
Liner replacement in Montville typically ranges $3,200-$6,500 depending on flue count, height, and whether the smoke chamber needs resurfacing.

Partial Chimney Rebuild
Not every failing chimney needs to come down to the roofline. When the upper courses, crown, or exterior wythes have spalled but the structure below is sound, a partial rebuild preserves what works and fixes what doesn’t. We see this pattern often in Montville’s 1970s colonials - the base and firebox are solid, but the crown cracked years ago and water has worked its way through the top four to six courses of brick. Our crew rebuilds from a solid shelf, installs a proper concrete crown with positive drip edge, and integrates the new work with existing masonry.
Partial rebuilds in Montville generally run $4,500-$7,200.

Full Chimney Rebuild
When liner failure has been accompanied by widespread mortar deterioration, shifting, or freeze-thaw damage through the full height, rebuilding is the honest recommendation. We dismantle the chimney to the roofline or below, salvage what brick we can for color match, and reconstruct with new materials and proper interior flue systems. A full rebuild on a Montville colonial with two or three flues typically ranges $8,500-$15,000. We don’t recommend this scope without camera documentation you can review yourself, and we’ll tell you plainly when a less extensive repair can safely extend service life.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Montville
We work exclusively with professional-grade materials - no builder-grade substitutes that fail in five years. For Montville installations we stock and specify DuraFlex stainless liners, HeatShield refractory resurfacing products for smoke chamber repair, and termination components from Gelco, Olympia Chimney, and Famco. These are the brands specified by chimney professionals nationwide because they hold up to real conditions: the acidic condensation of gas combustion, the thermal shock of wood fires, and the hard freeze-thaw cycling that defines Morris County winters. We keep common sizes in stock, so most Montville liner jobs don’t wait on special orders.
Common Chimney Liner & Rebuild Problems We See in Montville Homes
- Gas inserts vented into original oversized wood flues. On a wooded cul-de-sac off Changebridge Road, our crew opened up a 1988 colonial with three original clay tile flues - two had 1990s gas inserts venting straight into the oversized wood flue, producing heavy condensation, spalling mortar joints, and a carbon-monoxide risk the homeowners had never been warned about. We installed a DuraFlex stainless liner sized correctly for the gas appliance, HeatShield-sealed the smoke chamber on the wood-burning flue, and rebuilt the chimney crown before the first hard freeze of November.
- Freeze-thaw cracking in 30-50 year old clay tile. Montville sits in the Morris County Highlands fringe, where winter temperatures regularly dip below 20°F. Hard freeze-thaw cycling accelerates mortar joint deterioration and liner cracking in masonry chimneys built during the township’s 1970s-1990s expansion. The clay tile flues in these homes were never designed for fifty years of thermal stress.
- Leaf and debris blockage from mature canopy. The township’s dense tree cover - mature oaks and maples overhanging rooflines - deposits significant leaf and branch debris into flue openings each fall. This increases blockage and animal-nesting risk heading into peak burning season, and it masks underlying liner damage until a proper camera inspection reveals the real condition.
- Multi-flue homes with inconsistent maintenance history. Montville’s prevalence of two- and three-fireplace properties means a single roof often has multiple flues at different stages of wear. The wood-burning flue in the family room gets swept annually; the gas insert flue in the master bedroom hasn’t been inspected since installation. We inspect every flue, document each one, and give you a priority order for any needed work.
Pricing for Chimney Liner & Rebuild in Montville, NJ
| Service | Typical Range in Montville |
|---|---|
| Single stainless steel liner (gas) | $2,800 - $4,500 |
| Single stainless steel liner (wood, insulated) | $3,500 - $5,800 |
| Liner replacement with smoke chamber repair | $3,200 - $6,500 |
| Partial chimney rebuild (upper courses + crown) | $4,500 - $7,200 |
| Full chimney rebuild (multi-flue colonial) | $8,500 - $15,000 |
What moves the number: flue height, number of flues, appliance type, accessibility for scaffolding, and whether the existing masonry can be preserved or must be rebuilt. We don’t guess. Our Level-2 camera inspection gives you photos you can see and a written estimate with one number - no add-ons after we start. Senior and veteran discounts apply at 5%. Call (973) 604-2986 for a free estimate.
We Also Serve Cities Near Montville
Our crews work throughout northern Morris and Passaic counties. If you’re in Montville or nearby Wayne, Little Falls, Paterson, or Clifton, the same scheduling, pricing structure, and 90-Day Done Right Promise apply. Dispatch is coordinated from our New York City office; the technician who arrives lives within the service territory and knows the local housing stock.
Serving Montville, NJ - Our Local Coverage Area
We’re based in the Montville area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - Chimney Liner & Rebuild in Montville
Yes. If your gas insert vents into the original oversized clay tile flue built for wood burning, it almost certainly needs a properly sized stainless liner installed. The mismatch between gas combustion exhaust and a large masonry flue causes sustained condensation that destroys clay tile from the inside out, and it creates a carbon monoxide pathway into your home that you cannot see or smell. We find this exact condition weekly in Montville’s 1980s-2000s retrofits. Call (973) 604-2986 for a camera inspection - estimates are free.
Every flue that serves a fuel-burning appliance needs its own annual inspection under NFPA 211. In Montville’s colonials and Tudors, that often means two or three flues per home - wood-burning fireplace, gas insert in the bedroom, maybe a basement stove. Each flue has independent liner wear, independent blockage risk from the oak canopy, and independent maintenance history. We inspect and document each one separately so you know the condition of every system in your house. Call (973) 604-2986 to schedule.
Three factors specific to Montville accelerate liner failure: the hard freeze-thaw cycling in the Morris County Highlands fringe, where winter temperatures swing sharply; gas inserts vented into original clay tile without proper stainless liners, causing internal condensation damage; and mature tree debris that traps moisture against the flue opening. Your neighbor may have a properly lined gas system, a newer chimney, or less direct tree cover. A Level-2 camera inspection shows exactly what’s happening inside your flue. Call (973) 604-2986 for an exact diagnosis - estimates are free.
No. Glazed or third-degree creosote is a hardened, tar-like deposit that standard brushing will not remove. It requires chemical treatment to modify the deposit, followed by mechanical removal - sometimes over multiple visits depending on thickness. More critically, glazed creosote indicates a history of slow, smoky fires or poor draft, which means the underlying liner and chimney system need evaluation for proper sizing and airflow. We document the extent with photos and explain whether the flue can be restored or needs replacement. Call (973) 604-2986 for a camera inspection.
A partial rebuild can often extend service life by ten to twenty years when the damage is localized to the upper courses, crown, or exterior wythes and the structural base remains sound. We make this determination only after a Level-2 camera inspection and exterior assessment with photos you can review yourself. If the interior flue system is intact and the lower masonry is solid, rebuilding from a sound shelf is the honest, cost-effective path. When damage extends through the full height or the liner has failed catastrophically, we’ll tell you plainly that full rebuild is necessary. Either way, you get documentation before any commitment. Call (973) 604-2986 for a free estimate.
Written by Russell Haines, Owner at Hearthstone Chimney Co., serving Montville and northern New Jersey since 1984.





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