Best way to cut firebrick?

timchuck Posted By timchuck, Nov 24, 2010 at 12:00 PM

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  1. timchuck

    timchuck
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    Dec 13, 2009
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    I need to replace a couple smaller firebrick in my insert. What is the best way to cut the bricks to size.
     
  2. raiderfan

    raiderfan
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    Dec 1, 2008
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    I would think a circular saw with a diamond blade would do it.

    That's how what we use to cut clay tiles for chimneys.
     
  3. Wolves-Lower

    Wolves-Lower
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    Oct 26, 2007
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    My Roto-Zip has a small circular saw attatchment with a tile blade. I used that.
    But a Regular Circular saw with the correct blade should do it.
     
  4. DAKSY

    DAKSY
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    Tile-cutting wetsaw...You'll get straight cuts & keep the dust to a minimum
     
  5. Backwoods Savage

    Backwoods Savage
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    I've even done some with hammer and chisel. You just have to be patient and do it slowly. Score a line and then keep tapping (not hitting) the chisel and moving it along the line gets the job done.
     
  6. madison

    madison
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    As Backwoods suggested, hammer, chisel. I also used a hacksaw.
     
  7. Adios Pantalones

    Adios Pantalones
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    Normal firebrick is easy to cut with a "masonry" blade on a skil saw. Soak it for a minute first- helps with dust.

    A wetsaw can also be used.

    A cold chisel can be used- score each corner, then each face, then a sharp strike- but ti will never be clean or accurate as a saw cut.

    Believe me- I've cut a few fire bricks :)

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  8. raybonz

    raybonz
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    Just checked out your pottery work and it is beautiful! I would like to someday purchase some for my home.. Do you sell it too or just a hobby?

    Ray
     
  9. raybonz

    raybonz
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    You could try a small angle grinder with a masonry wheel to score the brick then break it from there..

    Ray
     
  10. EatenByLimestone

    EatenByLimestone
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    I use my angle grinder with a masonry blade. I think I've used my tile saw also, but I usually grab the angle grinder.

    Matt
     
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