Thanks RickCorey for the 'acorniciation'!! Having learnt a lesson with that tile and hacksaw I do not think of it. May be, a very high quality saw may do the job without dulling, but then why do we want to take risk and dull an expensive saw for such a work?
The best place to seek God is in a garden. You can dig for Him there. ~ GB Shaw, 'Adventures of the black girl'