Rotozip,what's the best blade for cutting Z-brick already attatched to walls? I keep breaking blades!?

I am trying to trim 6 windows and 2 doorways,I am open for any suggestions.My dremel couldn't handle it, even with a diamond blade.Is there another or better tool for the job. HELP !
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Answers:
Sounds like you are trying to cut through the total thickness of the Z-brick at one time - therefore you are breaking the bits. The Dremel can do the job if you make several cuts - increasing the depth each time until you cut all the way through. Also, if you cut through about 2/3rds of the way, you should be able to snap it off.

Other answers:
circular saw with a masonary blade
circular saw with a masonary blade
4' Offset grinder with a diamond wheel
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