Attic insulation around brick chimney

ranger481vsNovember 12, 2010

Continuing to prepare my attic for blowing in fiberglass insulation. I have a large brick chimney in the attic and I'm not sure how I'm supposed to deal with insulation around it? Since it's brick can the loose fill fiberglass be blown right up against it or???

Thanks for the help!

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Generally, the answer is no. Check your local and state building and firecodes for what's required.

    Bookmark   November 12, 2010 at 6:11AM
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You didn't indicate what the chimney serves but for a fireplace the code rule is usually 2" clearance to combustible materials but unfaced fiberglass is not combustible. If the chimney is not lined I would parge it where possible.

    Bookmark   November 12, 2010 at 8:58AM
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