Doc wrote:
I've got a section of a shower stall that suffered from some water
seepage and want to re-use the tile. What's the best way to remove the
tile from the greenboard and also remove the old mastic to re-use the
tile?

Also, what's the best way to remove the old grout?

The best way is to start over w/ new tile...

PITA job no matter what you do. For cleaning up tile for repair/reuse
I've had decent success w/ the wire wheel on the bench grinder after
whack off what can w/ the various putty knives, scrapers, etc., ...

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