Birds, squirrels, and raccoons nest in uncapped flues, creating blockages, odors, and fire hazards. Signs include scratching or chirping sounds, debris in the firebox, and a foul smell. A stainless chimney cap keeps them out for good.
Signs of animals
Scratching, chirping, or rustling sounds, nesting debris in the firebox, a strong foul odor, or birds seen entering the chimney top.
The risks
Nests block the flue, which pushes smoke and carbon monoxide back inside and creates a fire hazard. Trapped animals also cause odor and damage.
How to keep them out
After clearing the flue, install a stainless chimney cap with mesh sides. It blocks animals and debris while letting smoke escape, and it is one of the most cost-effective chimney upgrades.
Frequently Asked Questions
How did animals get in?
An uncapped or damaged flue is an open invitation.
Will a cap fix it?
Yes, after the flue is cleared, a cap keeps animals out permanently.
Is a blocked flue dangerous?
Yes, it can push smoke and carbon monoxide into the home.
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