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Suspected chimney liner damage

Debris or an inspection report may raise a liner concern, but the repair depends on the actual system and defect. Keep the connected appliance unused pending qualified advice.

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Updated September 10, 2026Homeowner guidance
Inspection light on a cracked clay flue tile with a separated mortar joint; illustrative image
Illustrative service image — not a documented company job
CHIMNEY / FIREPLACE / HOMEUSA CHIMNEY PROS
STOP USE

What to do first

Stop using the affected fireplace until it has been assessed. For suspected gas, a CO alarm, an active fire, or immediate danger, leave and call 911 from a safe location.

This form does not dispatch emergency help.

A harnessed technician lowering an inspection camera into the flue of a stone masonry chimney; illustrative image
Illustrative service image — not a documented company job
01 / A CLOSER LOOK

Ask for findings tied to the correct flue

A multi-flue chimney can serve more than one appliance. Request a report that identifies which flue has the concern, where the defect was observed, and which appliance it serves. Ask why the proposed liner system and scope fit that appliance; an unlabeled camera image is not a complete explanation.

A 1990s split-level house with a red brick chimney with a concrete crown fitted with a stainless steel liner cap; illustrative image
Illustrative service image — not a documented company job
02 / THE HOMEOWNER PERSPECTIVE

What the inspection should resolve

Ask for the cause, supporting photographs, limitations of the inspection, and a written recommendation about continued use. A repair quote should identify the affected parts and the reason for the proposed work.

THE SHORT ANSWER

Debris or an inspection report may raise a liner concern, but the repair depends on the actual system and defect. Keep the connected appliance unused pending qualified advice.

Updated September 10, 2026

What you can observe safely

  • Save the inspection report.
  • Photograph fallen material without reaching into the flue.

What to avoid

  • Do not climb onto the roof or enter the chimney.
  • Do not alter gas components, venting, or safety controls.
  • Do not use a test fire to diagnose the problem.

Possible causes to assess

  • Liner deterioration
  • Damage needing camera documentation
  • Connection or compatibility issue

A symptom cannot establish the cause remotely. An assessment of the complete system helps determine the appropriate repair.

Chimney liner repair

A few common questions

Can this be diagnosed from a photo?

A photo can document a symptom and help prepare a visit. It cannot confirm concealed conditions or establish that a chimney or fuel-burning appliance is safe.

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