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 Bath
Chimney liner and rebuild work in Bath, PA typically runs $2,200-$7,500 depending on whether you need a stainless steel liner dropped into an existing stack or partial-to-full masonry reconstruction above the roofline. Most of our Bath appointments are scheduled within a week, and our crews are familiar with the borough’s late-1800s housing stock, so we arrive knowing what to expect. Call (610) 595-5754 - a live person answers, 24 hours a day.
Bath sits at the heart of Northampton County’s historic Portland cement belt, the same limestone-rich geology that once made this corner of Pennsylvania America’s cement capital. That heritage matters for your chimney. Many older homes in and around the borough were built using early-era cement formulations and locally-quarried limestone that, after more than a century of Lehigh Valley freeze-thaw cycles, produce characteristic mortar joint failure and brick spalling. Our Chimney Liner & Rebuild team sees this pattern repeatedly on borough-center streets, and it means liner work in Bath often starts with material-matched tuckpointing, not just dropping in a stainless tube.
Why Hearthstone Chimney Co. Is Bath’s Preferred Chimney Liner & Rebuild Company
We’ve answered the phone with a live person for over 42 years, and that matters to Bath homeowners who remember when contractors actually showed up. Our dispatch and scheduling are coordinated from our Philadelphia office, but crews serve Bath locally, carrying the DuraFlex, HeatShield, and Copperfield materials needed for same-visit completion on most jobs.
Our Level-2 camera inspections end with photos you can see and a plain-English verdict. In Bath’s older housing stock, that documentation is essential. We’ve seen too many homeowners elsewhere talked into full rebuilds by someone who never scoped the flue. We don’t operate that way. The 90-Day Done Right Promise backs every job in writing, no arguing - if it’s not right, we come back. Background-checked, uniformed technicians; no-hassle upfront pricing; the number on the estimate is the number on the invoice.
Our Chimney Liner & Rebuild Services in Bath
Stainless Steel Liner
A stainless steel liner is the right fix for most Bath chimneys that still have sound masonry but an unlined or deteriorated clay-tile flue. We size and install DuraFlex liners to match your appliance, not the oversized coal-era flue left behind. On a two-story brick home off Race Street in borough-center Bath, we opened a wide, unlined coal-era flue where the owner had dropped in a gas insert years earlier - the oversized stack ran cold, drafted poorly, and the cast crown had cracked, feeding moisture down into already-spalling mortar joints. We camera-scoped the flue, showed the homeowner the joint erosion and rubble on the monitor, re-pointed the chimney above the roofline with a material-matched mortar, poured a new crown, and wrapped a correctly sized DuraFlex stainless liner to bring the flue back into draft range for the insert. A square deal: no surprises on the bill.

Flexible Liner
Flexible liners navigate offsets and bends that rigid pipe cannot, which matters in Bath’s older homes where chimney construction was anything but standardized. We use professional-grade flexible products from trusted manufacturers, sized precisely to your appliance’s BTU output and draft requirements. Most flexible liner installations in Bath are completed in a single visit, with the technician walking you through the camera footage before any work begins.

Liner Replacement
When an existing liner has failed - cracked clay tiles, corroded metal, or gaps that let combustion gases leak into the masonry - replacement is not optional. In Bath, we see this most often where a previous owner installed the wrong liner size for a converted appliance, or where moisture intrusion from a failed crown accelerated deterioration. We remove the failed liner, inspect the surrounding masonry with our camera system, and install a replacement that actually fits the appliance now venting through it. Nothing is recommended without camera evidence you can see for yourself.

Partial Rebuild
Partial rebuild addresses the chimney above the roofline where Bath’s freeze-thaw cycles do their worst damage. Spalled brick, eroded mortar joints, and cracked crowns are common on borough-center homes where early Portland cement mortars have endured a century of weather. We rebuild with material-matched mortars and professional-grade crowns from Copperfield and Famco, not the thin parge coats that fail in two seasons. The goal is a chimney that lasts, not one that needs attention again before you’ve forgotten our name.

Full Chimney Rebuild
Full rebuild is rare, and we don’t recommend it lightly. In Bath, it applies only where structural integrity is compromised below the roofline, or where multiple wythes have separated and the stack is actively leaning. We scope first. We photograph. We show you. If a full rebuild is genuinely necessary, we quote it upfront with no-hassle pricing and complete the work with the same material discipline we bring to every job.

Liner Repair
HeatShield cerfractory resurfacing can restore a clay-tile flue that is structurally sound but cracked or eroded, at a fraction of liner replacement cost. This is where the industry’s worst upselling happens in Bath - a chimney sweep declares your flue “unsafe” and quotes thousands for stainless, when HeatShield resurfacing would solve the problem. We camera-scope first. If your flue qualifies for repair instead of replacement, we’ll tell you plainly. Done right - and we stand behind it.

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 Bath
We work exclusively with professional-grade materials from DuraFlex, HeatShield, Gelco, Olympia Chimney, Famco, and Copperfield - no builder-grade substitutes. For Bath homeowners, that means we stock the liners, crowns, and repair materials your chimney likely needs on our service vehicles, so most jobs finish in a single visit without waiting on parts. We’ve built relationships with these manufacturers over decades, and we specify them because they survive Lehigh Valley winters.
Common Chimney Liner & Rebuild Problems We See in Bath Homes
- Oversized coal-era flues with modern inserts. A gas insert or small wood stove dropped into a wide, unlined brick flue never designed for it runs too cold to draft properly. Creosote builds fast. The uncapped opening pulls in rainwater. We see this repeatedly on Bath’s older borough-center streets, and the fix is never “just burn hotter” - it’s a correctly sized liner and a proper crown.
- Early-Portland mortar erosion from freeze-thaw cycling. The Lehigh Valley crosses the 32°F threshold dozens of times each winter, and that expansion-contraction destroys the soft, lime-rich mortars in Bath’s oldest chimneys faster than harder modern mixes used in newer suburbs minutes away. Spalling brick and joint failure result. A thin stainless liner alone won’t fix this; material-matched tuckpointing comes first.
- Moisture intrusion from failed crowns and missing caps. Bath’s older chimneys often have cast concrete crowns that cracked decades ago, or no cap at all. Rainwater follows the flue wall, accelerates mortar decay, and rusts damper hardware. Our camera inspections document the damage so you can see it, not just take our word.
- The full-rebuild upsell without camera evidence. This is the industry’s worst practice in Bath’s older housing stock. An unlined stack sometimes only needs HeatShield resurfacing or a properly sized liner, not tear-down. We scope every flue. We show you the footage. We explain what you’re seeing. Then we quote - and the quote matches what you actually need.
Pricing for Chimney Liner & Rebuild in Bath, PA
Here’s what liner and rebuild work actually costs in Bath’s market:
| Service | Typical Range in Bath |
|---|---|
| Stainless steel liner installation (standard flue) | $2,200 - $3,800 |
| Flexible liner with offsets | $2,600 - $4,200 |
| HeatShield liner repair / resurfacing | $1,800 - $2,800 |
| Partial rebuild (above-roof masonry) | $3,500 - $6,500 |
| Full chimney rebuild | $7,000 - $12,000+ |
| Crown replacement | $800 - $1,600 |
What moves you within these ranges: flue height, number of appliances being vented, accessibility of the chimney top, and whether the existing masonry requires tuckpointing before liner installation. We don’t guess. We scope, we photograph, we explain, and we quote upfront - the number on the estimate is the number on the invoice. Estimates are free. Call (610) 595-5754.
We Also Serve Cities Near Bath
Our crews work throughout the Lehigh Valley, including Nazareth, Northampton, Coplay, and Catasauqua. Each community has its own housing stock patterns and local conditions, and we adjust our approach accordingly - but the same live-answer phone, same camera documentation, and same 90-Day Done Right Promise apply wherever we go.
Serving Bath, PA - Our Local Coverage Area
We’re based in the Bath 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 Bath
Usually not without masonry prep first. In Bath, those wide flues were sized and drafted for anthracite coal, not modern gas or wood appliances, and the early-Portland mortar is often too eroded to support a liner properly. We camera-scope first. If the masonry is sound, we install a correctly sized stainless liner. If joints are spalled or the crown is cracked, we repair that first so the liner has a stable host. Call (610) 595-5754 and we’ll scope it - estimates are free.
Bath’s chimneys were mortared with soft, lime-rich early Portland cement made from the same local limestone that built the borough. After more than a century of Lehigh Valley freeze-thaw cycles, that mortar erodes and spalls faster than the harder modern mixes used in newer suburbs minutes away. Liner and rebuild work here often starts with material-matched tuckpointing, not just a stainless tube. It’s geology and climate, not bad luck.
Full rebuild is genuinely necessary only when structural integrity is compromised - multiple wythes separated, active leaning below the roofline, or extensive fire damage. In Bath’s older housing stock, we see full rebuilds recommended by sweeps who never scoped the flue. We don’t do that. We photograph. We show you. If a HeatShield repair or partial rebuild with liner solves the problem, that’s what we quote. The 90-Day Done Right Promise covers either way.
No. An unlined coal-era flue is far too large for a gas insert to draft properly. The stack runs cold, combustion gases linger, and creosote deposits accelerate. Worse, the uncapped opening pulls in rainwater that degrades already-vulnerable mortar. We see this exact setup on borough-center streets in Bath, and we fix it with a correctly sized liner and proper crown - not by telling you to “watch it.” Safety matters. Call (610) 595-5754 for a scope.
Once per year, per NFPA 211, even if you burn rarely or only for ambiance. In Bath, the bigger concern for infrequent burners is often moisture damage from failed crowns and freeze-thaw mortar decay - problems that progress whether you light fires or not. Our $89 Seasonal Tune-Up includes Level-2 camera inspection, and we’ll tell you plainly when work can safely wait versus when it cannot.
Written by Russell Haines, Owner at Hearthstone Chimney Co., serving Bath and the Lehigh Valley since 1984.





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