transition dry to durock above shower

How would you handle the seam where durock of shower surround meets drywall above the tilework ?
This 654-sq.-ft. ADU combines vaulted ceilings, reclaimed materials, and efficient design, offering a flexible guest suite and home office above a new garage.
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Replies
Where does the tile end?
I assume you are stopping the tile at this juncture. If you intend to finish the edge with surface bullnose, just lap the tile over the seam. Ideally most of the top tile would be on the backer board.
Mike Mahan
thanks Mike,
Tile will stop near it, so I was debating to use durock seam cement or drywall mud/tape at this last seam.
Planning on a redguard or similar sealer too, if it matters.
use mesh tape set in thinset.
We mud the joint then carry the tile at least one tile past the joint.