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Chimney Relining in Mokena, IL

A cracked, gapped, or missing flue liner is a fire and carbon-monoxide risk. We install durable stainless steel liners that bring an old or damaged chimney back to safe, code-compliant operation.

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The flue liner is the protective inner channel that carries smoke, heat, and gases up and out of your chimney. It shields the surrounding masonry and the wood framing of your house from extreme heat, and it keeps carbon monoxide from leaking into your living space. When that liner cracks, corrodes, or was never there in the first place, the chimney is no longer safe to use — a hot fire can transfer enough heat to ignite framing, and combustion gases can seep into the home. Relining restores that critical layer of protection.

Global Chimney Sweep installs stainless steel liners for wood, gas, and oil appliances throughout Mokena and the south suburbs. We size the liner correctly for your appliance and flue, install it properly, and leave you with a chimney that vents safely and efficiently. Because relining is a significant job, we always inspect first and show you exactly why it is needed before you commit to anything.

When Relining Is Needed

Cracked Clay Tiles

Older chimneys use clay tile liners that crack from heat and age. A cracked tile lets heat and gases reach the masonry and framing.

No Liner at All

Many older homes have chimneys with no liner. These are unsafe by modern standards and need one installed to be used.

Corroded Metal Liner

An existing metal liner that has rusted or deteriorated no longer contains gases safely and should be replaced.

Switching Appliances

Changing from wood to gas, or installing a new insert or furnace, often requires a differently sized liner to vent correctly.

Why Stainless Steel

We install UL-listed stainless steel liners because they are durable, corrosion-resistant, and suitable for wood, gas, and oil appliances. A properly sized stainless liner improves draft, burns cleaner, and is far more resilient to Chicago-area freeze-thaw cycles than old clay tile. The key word is properly sized: a liner that is too large or too small vents poorly and can create its own problems, so we measure your appliance and flue and match the liner to them rather than installing a one-size-fits-all product.

Our Relining Process

1. Inspect & Measure

A Level 2 inspection with a camera confirms the liner condition and the correct size for your appliance.

2. Quote the Job

You get an up-front price based on the actual flue and liner needed — no surprises mid-project.

3. Install the Liner

We run the stainless liner, insulate where required, and connect it correctly to the appliance and cap.

4. Verify & Explain

We confirm the chimney drafts properly and walk you through what was done and how to maintain it.

Frequently Asked Questions

How do I know if my chimney needs relining?
A camera inspection is the definitive way to tell. Signs that point to it include cracked or crumbling clay flue tiles, pieces of tile falling into the firebox, a chimney that has never had a liner, a corroded metal liner, or a draft and odor problem after switching appliances. We inspect first and show you the actual condition before recommending relining.
Why does a cracked flue liner matter so much?
The liner is what keeps the heat of a fire and the carbon monoxide in the exhaust away from your home structure and living space. A crack lets heat reach the masonry and nearby framing, which is a fire risk, and lets gases seep where they should not, which is a health risk. It is one of the more serious problems a chimney can have.
How long does a stainless steel liner last?
A quality UL-listed stainless liner is built to last for many years and often carries a long manufacturer warranty when installed and maintained correctly. Keeping it swept and inspected annually protects both the liner and that warranty.
Can you reline a chimney for a gas furnace or water heater?
Yes. Gas and oil appliances vent through the chimney too, and an oversized or deteriorated flue can cause condensation and corrosion problems. We size and install liners for gas and oil appliances so they vent safely and efficiently.
How long does relining take?
Many straightforward relines are completed in a day. Complex chimneys, offsets, or additional repairs can add time. We give you a realistic timeline with the quote after we have inspected the flue.
Is relining cheaper than rebuilding the chimney?
In most cases, yes. Relining restores safe operation without tearing down and rebuilding the masonry, so it is usually the more economical fix when the structure itself is sound and only the liner has failed. An inspection tells us which situation you are in.
Do I still need annual sweeps after relining?
Yes. A new liner does not eliminate the need for maintenance. Creosote still builds up in a wood-burning flue, and an annual sweep and inspection keeps the new liner clean, safe, and within warranty.
Will a new liner improve how my fireplace draws?
Often, yes. A correctly sized liner improves draft, which means the fire lights more easily, burns cleaner, and pushes less smoke back into the room. Poor draft is frequently a symptom of an oversized, damaged, or missing liner.

Bring an Unsafe Chimney Back to Life

Find out whether your flue needs relining with a camera inspection, then get it done right with a durable stainless steel liner.

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Published July 29, 2026

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