I have no idea what you are saying. Here is a web site of
probably the premier manufacturer of tile trim:
http://www.schluter.com/141.aspx I gave the web site that has
their expansion joints. These joints are meant to be installed in
the thinset below the tile.
Try to find a picture of what you have - to share or explain for
the rest of us.
Keep the whole world singing . . . .
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