A member asked:

How can lighting fireplaces during the holidays be dangerous?

A doctor has provided 1 answer

Creosote buildup: Some chimneys will accumulate creosote, a product of wood burning that can clog part of the air column. Under some conditions the material will catch fire within the chimney & extend to the house. Periodic maintenance will avert this problem.

Answered 9/14/2012

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