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Wood fireplace installation

Wood Fireplace Repair

Wood-Burning Fireplace Repair for Chicago Homes

A wood fire puts the firebox, damper and smoke chamber through heat, soot and moisture every season. Repairing cracked brick, a stuck damper or failing mortar early keeps a small problem from turning into a bigger rebuild.

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What wood-burning fireplace repair covers

Wood-burning fireplace repair fixes the parts of a masonry or factory-built fireplace that take direct heat and smoke. That usually means the firebox walls and floor, the mortar joints between firebrick, the damper, the smoke chamber above it, and the doors or glass on the front. The goal is a fireplace that holds a fire safely, sends smoke up the chimney and closes off properly when it's not in use.

Technician working in the firebox of a modern fireplace

Wood fires are harder on a fireplace than gas flames. They burn hotter in spots, leave creosote and ash behind, and get stoked, poked and loaded with logs that knock against the brick. That's why wood-burning units tend to need different repairs than gas units, even though both fall under our broader fireplace repair service.

Parts we commonly repair

  • Firebox: cracked or spalling firebrick, eroded or missing mortar joints, and a damaged hearth floor.
  • Refractory panels: the molded liner panels in many factory-built wood fireplaces, which crack and crumble with age and heat.
  • Damper: plates that stick, warp, won't seal or won't stay open.
  • Smoke chamber: rough or deteriorated surfaces above the damper that can trap creosote and disrupt draft.
  • Doors and glass: cracked glass, loose frames and worn gaskets on fireplace doors.

Signs your wood fireplace needs repair

Most fireplace damage is visible if you know where to look. Check with the fireplace cold and the ash cleaned out, using a flashlight.

Worth having looked at

  • Cracks you can fit a fingernail into, or brick faces flaking off inside the firebox
  • Mortar joints that are recessed, crumbling or gone
  • Pieces of brick, mortar or panel material in the ash
  • A damper handle that won't move, or a damper that won't close fully
  • Smoke rolling into the room instead of going up
  • A cold draft or strong smoky smell when the fireplace isn't in use
  • Cracked door glass or doors that no longer close tight

Smoke coming back into the room is often an airflow issue rather than a broken part. When that's the main complaint, it helps to understand how fireplace draft repair works, since the fix may be in the damper, smoke chamber or flue rather than the firebox.

Stop using it if you see gaps

Open cracks or missing mortar in the firebox can let heat reach the framing and materials around the fireplace. If you find gaps you can see into, hold off on lighting fires until it has been repaired.

What the visit involves

  1. Look at the whole fireplace

    We check the firebox, hearth, damper, smoke chamber and doors, and ask how the fireplace has been behaving when you use it.

  2. Pin down the cause

    A crack, a draft problem and a leak can look alike from the room. We trace what's actually causing the symptom before recommending work.

  3. Explain the repair and give a free estimate

    You get a plain description of what needs fixing and why, so you can decide before any work starts.

  4. Make the repair

    Depending on the problem, that can mean repointing or replacing firebrick, fitting new refractory panels, repairing the damper or smoke chamber, or fixing doors and glass.

  5. Check it before we leave

    We confirm the damper operates and the repaired areas are sound, and tell you anything to watch for, such as letting fresh mortar cure before a hot fire.

Keeping a wood fireplace in good shape

Burning dry, seasoned wood, keeping fires to a reasonable size and clearing out ash regularly all reduce wear on the firebox. Having the fireplace and chimney looked at regularly catches loose mortar and damper problems while they're still small.

If a fireplace is beyond sensible repair, or you're tired of hauling wood, there are other routes. Some homeowners replace the unit through a new fireplace installation, and others weigh switching fuels after reading our guide to gas vs wood fireplace conversion. Gas fireplace and gas appliance work is offered too, so you can talk through both options.

Booking a wood-burning fireplace repair

We work on all major fireplace brands, and commercial and property-manager work is offered as well. Call or request an estimate to get started.

Keep exploring

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Gas vs Wood Fireplace Conversion

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Direct Vent vs Ventless Gas Fireplaces

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Wood-Burning Fireplace Repair: common questions

Can a cracked firebox be repaired, or does it need replacing?

Usually it can be repaired. Hairline cracks and worn mortar joints are typically repointed or patched with heat-rated material, while badly spalled or broken firebrick is replaced brick by brick. A full firebox rebuild is only needed when the damage is widespread.

Is it safe to keep using my fireplace with a few cracks in it?

Sometimes, but not when the cracks are open gaps. Fine surface crazing is common, but cracks you can see into or missing mortar can let heat pass to surrounding materials, so it's best to stop burning until it's checked.

Why does smoke come into the room from my wood fireplace?

Smoke spills when air isn't moving up the chimney properly. Common causes include a damper that isn't fully open or is damaged, a rough or deteriorated smoke chamber, a blocked flue, or a fire that's too large for the opening.

Do you repair factory-built wood fireplaces as well as brick ones?

Yes. Factory-built wood fireplaces use refractory panels instead of firebrick, and those panels can be replaced when they crack or crumble. We work on all major brands.

Can I call at night or on a weekend if something goes wrong?

24-hour service runs Sunday–Friday, and emergency calls are accepted. Same-day visits are available where the schedule allows. Until someone arrives, let the fire burn out and don't add more wood.

Free Estimates

Talk to us about wood-burning fireplace repair

Describe what’s wrong and when it started. We’ll explain the likely cause and the next step before anything is booked.