"Abe" wrote in message
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Yep, an undercut saw will do the best job. You might be able to rent
one. Here's what it looks like:

http://www.carpettool.net/under_cut_...OVMTC=standard


Thanks to Abe and others who post useful information.
Not otherwise involved in this thread.
While I've seen 'undercut saw' mentioned on this news group, never having
seen one had only a vague idea.
So, again, I learned something.
Thanks for your post and the info.
Terry.