Whats the best way to cut a few fire brick

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Mike Van

Mike Van

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The masonry blade in a skillsaw will work, it's really dusty though. A diamond blade, you can run water on the cut, no dust. Even a small 4incher on a r/a/ grinder works. You can just score them, turn 'em over, bridge them so there's space under, and follow the backside of your score with a brick chisel, they'll snap on the score line.
 
pdqdl

pdqdl

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With a little practice, no cutting tools needed.

Rock hammer and pecking along the desired fracture line (both sides) or use a rock chisel, same technique. Don't hit it hard, because you are making a fault, then fracturing it. One blow attempts will only make lots of fragments.

If you want fast for lots of cuts with improved surfaces, use the method above and then polish the broken edges with a surface grinding diamond wheel on your sidewinder grinder. Ther are not cheap though!

Best: use a tile cutter with a diamond blade and a water bath. No muss, no fuss. A bit slow, and many are not big enough to cut all the way through.
 

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