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Compressed Bricks Will Expand

Post in 'The Hearth Room - Wood Stoves and Fireplaces' started by wkpoor, Jan 27, 2013.

  1. wkpoor

    wkpoor Minister of Fire

    Oct 30, 2008
    Amanda, OH
    Somewhere in another thread someone warned of these expanding and causing possible damage to a stove. While I find it a stretch on the damage issue I have found they will expand. Tonight I did a reload with 3 of the Gren Heat brand brick (they are half size) and 2 regular splits. After the stove was up to cruising temp I noticed the bricks had arched themselves leaving a tunnel right down the middle. Originally they where laid in flat. I went down and read the package and sure enough it says bricks can expand when heated and to not place close to the glass.
    I will say these bricks do a nice job of lighting very easy and producing a nice hot stove. Also they are the most economic buy in my area. They are right at 210/ton from Rural King.
    I mostly use them for quick restarts when there is little coals left. I have also used the Eco Brick and the Bio Brick all with similar results.

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