Generally, porcelain tile is not sealed. It would have been best to find a tile with a finish you liked.
You might read through this thread:
http://www.diychatroom.com/f84/porcelan-tile-needing-sealer-164024/
JazMan and Bud Cline know tile!
You might read through this thread:
http://www.diychatroom.com/f84/porcelan-tile-needing-sealer-164024/
JazMan and Bud Cline know tile!