When small flames brought on by ignited creosote buildup in a chimney, it causes a fire. These flames can cause severe damage to the chimney, like melted roofing. If you’ve had a fire, schedule chimney repairs before using your fireplace again. To learn if you had a recent chimney fire, check out the guide below.

What Are the Most Common Indicators of a Chimney Fire?

1. Puffy Creosote

When creosote catches fire, the deposits expand and leave behind a residue resembling charcoal-colored fluff. These deposits indicate a chimney fire and block airflow in a chimney. This issue can increase your chances of carbon monoxide poisoning or a repeat fire. Have a certified specialist inspect your home’s fireplace for chimney repairs annually.

2. Warped Metal Dampers or Pipes

Like puffy creosote, warped metal dampers indicate a chimney fire. The intense heat disfigures the metal dampers and is another dangerous threat to proper chimney airflow. Warped dampers cause a pocket of carbon monoxide to build up instead of being filtered out of the house. Don’t skip yearly inspections to ensure your fireplace remains safe for you and your family.

3. Cracks in the Masonry

The masonry of your chimney can be susceptible to heat damage from a chimney fire. The brick or mortar joints can crack to allow new heat or fire pathways to escape. After a fire, fill these cracks to prevent smoke from escaping from the wrong part of the chimney. 

4. Damaged or Melted Roof Tiles

A chimney fire can damage roofing by melting roof tiles (excluding some materials, like slate). Check around the seam where the chimney and roof meet. Do you notice heat damage to the roofing materials or discoloration from smoke or heat exposure? If your inspection reveals masonry damage, schedule chimney and roof repairs to avoid water damage issues.  

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