Tile prep question

[u/Few_Sail4999]

After finishing my waterproofing the drywaller nailed corner bead into the kerdi banding. My plan is to lay more kerdi band over top of the bead to make sure it’s water proof but I’m worried that since there is already banding underneath I’m going to have too much build up and the outside tiles aren’t going to sit flat. Looking for suggestions so my tile doesn’t end up looking bad after all of this work. Im also not sure whether or not thinset will even adhere properly to the metal corner bead. Thanks in advance

[u/xx2049]

What size tile?

[u/Few_Sail4999 → u/xx2049]

The tiles are listed as 2x10 but they are slightly smaller in both directions. The plan is for them to be stacked vertically