On Apr 28, 7:32 pm, "Walter R." wrote:
Thanks, Ed

Would a 4" diamond blade reduce the dust and cut a thin slice? Can I reduce
the dust and enhance the cutting action by having my wife cover the area
with a water mist/spray?

http://tinypic.com/view.php?pic=2v2uo84

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Walterwww.rationality.net
-"Edwin Pawlowski" wrote in message

t...







"Walter R." wrote in message
For a neat installation and in order to provide for some expansion, I
will need to undercut the fireplace hearth by 1/2" so that I can slip the
ends of the planks under the stones.

http://tinypic.com/view.php?pic=48zmrsh

I have a 4" electric grinder. Will that be suitable for cutting a 1/2"
undercut into the rocks? What kind of blade(s) should I use? I bet this
is going to be a very dusty affair!?

You cannot imagine the amount of dust. Considering the location, the
entire amount of material removed is probably going to be made into dust
rather than cut out. You need an abrasive blade. Just get one because by
the time you cut a few inches, you'll probably see it is a bad, messy,
idea. Butt he wood and come up with a trim strip of some sort.

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Unless you have a steady trickle of water running on the blade it is
going to make dusst like you have never seen. If you do have water
running on it, you will have one muddy mess that will dry to a grey
powder everywhere it runs. BTDT but fortunately outside. Take the
advice given above and use a trim strip to cover the gap.

Harry K