Might Be Time...

I'd love to, but I haven't uncovered my angle grinder yet in the storage locker. Plus, I'll bet I can buy a handful of Lennox blades for the price of a diamond masonry blade. The next hole will be about 12" x 4". Should be easy compared to the 12 1/2" x 20" doggie door hole. ;)
Jim is referring to these I think...

http://www.lowes.com/pd_180766-70-D...&currentURL=?Ntt=concrete+grinding&facetInfo=

But I meant one like this for a few bucks more and will last for a lot longer...
http://www.amazon.com/Makita--94546...296&sr=1-1-spell&keywords=brick+grinderwheelr

I got a no name brand at the hardware store that lasted for most of my stone project at the last house for about $7
 
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