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Old 06-15-2010, 10:04 AM   #1
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insulating around chimney


Whats the correct method for insulating around a chimney? I know that I must use unfaced batts, but can they contact the chimney? Should I use something to seal the gap between the chimney and the roof decking? or is the insulation suffiecient? If I use a sealant is there a specific kind? Thanks

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Old 06-16-2010, 01:27 PM   #2
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insulating around chimney


What kind of chimeny? Are you talking about old brick or new metal?

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Old 06-17-2010, 12:26 PM   #3
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insulating around chimney


Great! It is an older brick chimney with a liner. Any info would be great as to how I should approach this.
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Old 06-17-2010, 12:55 PM   #4
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insulating around chimney


Most people use a product called "Mineral wool". It insulates AND is fireproof. Don't forget to use metal flashing to seal up any gaps around the chimeney.
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