Looking for advice on which wallboard and waterproofing to use on 32x60 curbless shower
I am using Ditra uncoupling membrane on the floor then floating the shower base with dry pack. I was considering using Tile Redi wall board but I’m concerned about bonding issues using the FloFX waterproof banding from the shower base to the wall. Any suggestions of what product to use and type of waterproofing
ex. Sheet membrane, Hydroban etc.
Also whether to float the shower pan before or after installing the wall board.

32x60 curbless shower with glass panel on left side
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Larry
Here are some photos of the progress - I used Laticrete Strata Mat on the floor - Laticrete 209 Floor Mud for the shower pan w/Flow FX bonding flange -waterproofed with HydroBan Sheet membrane - Installed Hydro Ban Board and Sealing tape on shower walls. I used Multi Max Lite for all the above.
I will cover everything with 2 coats Hydro Barrier.
I made a seal device out of 1” pvc pipe around the orange test plug.
I am installing 12x24 porcelain tile w/ rectified edge on floor and shower walls 1/8 inch grout joint and 2x4 mosaic on the shower pan
-Questions
• Should I use Multi Max Lite for both floor and walls or Custom ProLite on floor or any other recommendations you have
• What are your thoughts on grout - I was considering Custom Prism , SpectroLock 1. Any other grouts you recommend
•Should I use an epoxy grout on the shower pan
Thanks for your advice
-Ernie B