What product to use to seal around block off plate? (pics inside!)

Ansky Posted By Ansky, May 10, 2013 at 9:58 AM

  1. Ansky

    Ansky
    Member 2.
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    Feb 18, 2013
    109
    22
    Loc:
    central CT
    I pulled my surround off to check the status of my block off plate and a lot of the sealant I used has cracked and crumbled off. I used both Fire Block and Funrnace Cement, and both cracked. I was thinking about using that Hi Temp silicone Gasket maker, but I wanted to check with you guys first. I thought that might be better because it is more pliable. What do you guys think?

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  2. mellow

    mellow
    Resident Stove Connoisseur 2.
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    Jan 19, 2008
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    Loc:
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    Stuff Roxul on top of the block off plate and around the liner as it goes through the block off plate.
     
  3. Ansky

    Ansky
    Member 2.
    NULL
    

    Feb 18, 2013
    109
    22
    Loc:
    central CT
    Yes, I have lots of Roxul above the block off plate...Stuffed up as high as i could reach. I'm more concerned with what type of sealant to use where the block off plate meets the brick and the liner. And where the liner meets the stove.
     
  4. mellow

    mellow
    Resident Stove Connoisseur 2.
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    Jan 19, 2008
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    Loc:
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    I use mill-pac. My only issue is I have to reapply it after I clean my liner, the vibration makes it crack and fall off just like you show in your picture.
     
  5. begreen

    begreen
    Mooderator 2.
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    Staff Member

    Nov 18, 2005
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    How large a gap are you sealing? If under 1/2" try mil pac sealant?
     

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