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Author Topic: chunks blowing out the chimney  (Read 3254 times)

MD20/20

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chunks blowing out the chimney
« on: February 29, 2012, 10:51:48 AM »
I'm seeing 1/8 to 1/4" pieces of what I imagine is dried creosote on my owb roof from time to time.  Is it just creosote blowing out when the boiler fires up?  Is it a problem?
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Central MD

woodfuel

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Re: chunks blowing out the chimney
« Reply #1 on: February 29, 2012, 11:30:07 AM »
Do you have more than one section of chimney? If so can you take off the top one to check it? i plan on checking my after each heating season to see the build up. Or run a chimney brush down it. It might not even be a problem though. Let the experts comment on this.
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Scott7m

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Re: chunks blowing out the chimney
« Reply #2 on: February 29, 2012, 11:33:42 AM »
Pretty normal..  It's creosote burning off the inside of the stove and being carried out by the draft, when you burn coal you get a lot of little coal dust balls blowing out sometimes.  What your seeing is just dried up creosote, it burns and flakes off and gets blown out the stack
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