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Roxul to seal damper and top of chimney what type of Roxul??

Post in 'The Hearth Room - Wood Stoves and Fireplaces' started by WIT Performance, Dec 18, 2012.

  1. WIT Performance New Member

    joined: Nov 29, 2012
    28 posts
    Went to Lowes and saw a few different types of Roxul what is best to seal a fireplace damper and tip of chimney for a insert install? I saw Roxul R30 comfort batt i believe at lowes and safe and sound R15.
    WIT Performance, Dec 18, 2012
    #1

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  2. pen Super Moderator

    joined: Aug 2, 2007
    6,068 posts
    N.E. Penna
    Only difference should be the thickness. Just depends on which way you want to shove it in there.
    pen, Dec 18, 2012
    #2

  3. weatherguy Minister of Fire

    joined: Feb 20, 2009
    2,716 posts
    Central Mass
    I got the R15, if your like the rest of us your gonna have a lot left over so get the cheaper package.
    weatherguy, Dec 18, 2012
    #3

  4. BrotherBart He Who Moderates

    joined: Nov 18, 2005
    21,921 posts
    Northern Virginia
    Yup. You are gonna be packing it in. R value means nothing in that context.
    BrotherBart, Dec 18, 2012
    #4

  5. WIT Performance New Member

    joined: Nov 29, 2012
    28 posts
    Ok thanks guys wasn't sure if they both had the same heat/ fire rating..
    WIT Performance, Dec 19, 2012
    #5

  6. NextEndeavor Member

    joined: Jan 16, 2011
    196 posts
    Southern Iowa
    I installed quite a bit above the stove then placed my homemade block off plate. I chose the thinnest Roxul they had (3.5 inch) so it would be easier cut and stuff up there.
    NextEndeavor, Dec 19, 2012
    #6

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