OK, I finished up with the thin set for all the Kerdi band in the shower ... ready to tile.
Oh ! but the bag says if I'm using porcelain tiles, I need to mix with Kerlastic (not water)
It's Mapei Kerabond T medium-bed and thinset tile motar.
I guess I'll go get the Kerlastic ... just wondering if it's really necessary ??
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It’s likey going to be fine with water but the Kerlastic is what they recommend. Water takes longer to cure because you have the mortar sandwiches between water proof membrane and a tile that does not breath easy either. I actually use A water based mortar for both. The name is escaping me at this time. I just give a little more one before grouting usually.
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