Glass tiles tumbled stone tiles and some porcelain tiles have edges that do not require a separate edge piece.
Shower door curb edge finish.
This means it doesn t take in water through leaks allowing it to last longer.
I think you should tile the whole top and front of the curb.
I do not recommend finishing any tile edge with caulking.
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.
As you might expect different people use different methods to build shower curbs.
A great and well made shower curb does all that and is fully waterproof.
They can be installed right up to the edge of the shower and need no transition to.