The liner is the part of the chimney that does the most important job and gets the least attention. It is the barrier that keeps the heat and the gases of a fire inside the flue and away from the framing of your home, and on the older stacks up here that liner is frequently original clay tile that has spent decades cracking under heat and acidic flue gases. Philadelphia Chimney Sweep replaces and relines chimneys across the far-northwest neighborhoods, restoring a safe, correctly sized flue when the original tile has finally had its day, with the work documented and explained at every step.
- Cracked or gapped clay tile liners replaced
- Stainless steel liners sized correctly to the appliance
- Liners installed for wood, gas, and oil appliances
- Camera scan to confirm the existing liner's condition first
- A restored barrier between flue gases and the framing
- Work documented and backed in writing
When the original tile liner has had its day
Most of the older homes in this part of the city were built with clay tile liners, sections of fired clay stacked inside the masonry to contain the heat and gases of the fire. Clay tile was sound construction in its day, but it has a finite life, and on a chimney that has heated a home through many decades of fires that tile cracks, the mortar joints between the sections wash out, and gaps open up. The trouble is that all of this happens out of sight, inside the masonry, where no homeowner can ever see it. A flue that drafts fine and looks clean from the hearth can have a liner that no longer does its one essential job.
A failed liner is not a cosmetic issue, it is a safety one. When the tile cracks or the joints open, heat and combustion gases can reach the masonry and the framing around the chimney, which is a fire risk, and carbon monoxide can find paths it should never have. This is exactly the kind of fault we look for with a camera scan, because the camera shows the inside of the flue in a way nothing else can, and it is the only honest basis for telling you whether your liner is sound or genuinely needs replacing. We will not recommend a reline without showing you why on the screen.
Relining the chimney the right way
When a liner has failed, the modern fix is usually a stainless steel liner run the length of the flue and sized correctly to the appliance it serves, whether that is a wood-burning fireplace, a gas insert, or a furnace or water heater venting into the stack. The correct size matters more than people realize, because a liner that is too large for a gas or oil appliance lets the gases cool and condense, while one that is too small chokes a wood fire's draft. We size the liner to the actual appliance and the actual flue rather than installing a standard tube and hoping, which is the difference between a flue that drafts cleanly for decades and one that causes trouble from the start.
The reline restores the barrier the chimney is supposed to have, a continuous, gap-free path that keeps heat and gases inside the flue and away from everything around it. On the tall stacks up here, running a liner the full length and securing it properly top to bottom is real work, and we do it carefully, with the right materials and the right insulation where the situation calls for it. When the job is done you have a flue you can burn in safely again, and we document the finished installation so you can see exactly what went into your chimney.
An honest call on whether you even need it
Relining is a significant job, and it is exactly the kind of work an unscrupulous sweep loves to sell on a flue that does not need it, because the homeowner can never check. We work the opposite way. We will not tell you your liner has failed without showing you the camera footage that proves it, and if the scan shows the tile is sound, we will say so plainly, even though a clean bill means no reline for us. An honest no is worth more to us than a sale built on a fault you cannot verify.
When a reline genuinely is needed, we will explain why, show you the evidence, lay out the options, and put a clear written price in front of you, with no pressure to decide on the spot. If the chimney is unsafe to use as it stands, we will tell you that directly so you are not burning a fire over a failed liner in the meantime. The goal is the right work for your chimney, scoped to what the flue actually needs, not the biggest job we can talk you into.
How this links to the rest of the work
A chimney is a system, so chimney liner replacement rarely stands alone, it connects to chimney sweeping service, pre-season chimney inspection, damper repair, a new chimney cap, chimney repointing, and our crew handles all of it under one roof. We bring the same service to Chimney Liner Replacement in Roxborough, Manayunk chimney liner replacement, East Falls chimney liner replacement, Chimney Liner Replacement in Wissahickon and everywhere else across the Philadelphia area.
If you searched for local chimney service, you have reached a local crew, call 215-488-5617 any time. For background, read The Wissahickon Stone Chimney: Caring for Stone Masonry on Older Northwest Homes on our blog, or head back to our Philadelphia home page to see everything we do.