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prefab firebrick / refractory panel replacement

Post in 'The Hearth Room - Wood Stoves and Fireplaces' started by miamichillin99, Oct 21, 2006.

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  1. miamichillin99

    miamichillin99 New Member

    Joined:
    Oct 21, 2006
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    Hi. Being my first post let me start by saying what a great site this is. Unfortunately I haven't been able to find a good answer to my question. I have a 10 yr old prefab by Superior. The back metal panel in the firebox has a crack down the middle. I guess the old homeowners would toss wood in there like they were pitching a baseball. Do I need to replace it or can it be sealed with cement? The crack goes from the top to bottom of the back panel but I'm not sure how deep it goes. If I replace it should I buy the one from Superior which is very expensive, or buy an aftermarket one that needs to be cut to size?

    Thanks in advance.

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  2. webbie

    webbie Seasoned Moderator Staff Member

    Joined:
    Nov 17, 2005
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    Loc:
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    These panels are subject to cracking and a small hairline should not be a problem. Cleaning out the crack, wetting it and using some refractory cement to patch it should be fine. In fact, it should be fine as is. When larger chunks fall out, that might be the time to replace.

    If and when you replace, either the original from Superior (Lennox) or the cut to fit would be fine.
  3. miamichillin99

    miamichillin99 New Member

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    Oct 21, 2006
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    Thank you so much for your informative answer. It does appear to be a hairline crack since I can't stick anything thicker that a sheet of paper in the crack. Coins are too thick such as dimes and pennies. Also if I do replace the panel(s) is cement used to join the four panels with each other; the floor and 3 walls?
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