Once the mesh is in place it is stapled onto the front bottom edge of the curb and you float the 2 to 3 inch thick layer of finish mud that forms the shower pan which locks the inside section of.
Shower door curb edge finish.
A good shower curb keeps water contained in the shower area preventing you from soaking the bathroom floor.
I do not recommend finishing any tile edge with caulking.
If you cant find a suitable corner round you could finish the edge of the tile at the front of the curb or finish the front edge corner if you choose to tile the front side of the curb which i recommend with grout.
I think you should tile the whole top and front of the curb.
Shower door bottom seal 2 pack glass shower door seal strip shower door seal frameless seal shower door stop shower leaks and create a water barrier 3 8 x 39 2 4 7 out of 5 stars 166 17 88 17.
They can be installed right up to the edge of the shower and need no transition to.
Glass tiles tumbled stone tiles and some porcelain tiles have edges that do not require a separate edge piece.