Doing a complete reno of my main bathroom.
Not my first one but still no wiser as what is proper and best procedure for tile backer board to tub flange transition.
Online research shows three different options and lots of strong opinions regarding each one.
1. Backerboard sits on top of top of tub flange with bottom tile overlapping. Caulk up under tile?
2. Backerboard sits over flange on tub. Caulk around bottom tile.
3. Backerboard sits over flange with ~ 1/4-3/8" gap at bottom between it and tub for caulking.
I do #3. Curious if anyone has thoughts. I don't get the point of #1 except it protects against movement?
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