Signs your flue liner may be cracked
A cracked flue liner can pose serious safety risks, so it's important to recognize the signs early.

2 min read
Visible and Audible Indicators
You might hear unusual noises coming from the chimney, such as whistling or rustling, which can indicate air movement through cracks.
Visible signs like bits of tile or clay in the fireplace indicate possible flue liner damage requiring immediate attention.
Performance Issues
Increased smoke in the house when using the fireplace may be a sign of flue liner damage, as it can disrupt proper draft.
If you notice a decrease in the fireplace's efficiency or difficulty in starting a fire, it could be due to compromised flue liner integrity.
Odors and Interior Damage
Persistent smoky odors or moisture issues inside the home can point to a flue liner problem, as cracks allow odors and moisture to seep through.
Damage to walls near the chimney, such as peeling wallpaper or paint, can also suggest flue liner issues allowing moisture infiltration.
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