I've just special ordered the Mapei Ultraflex 2 from Lowes. I've been using Laticrete, because that's the brand they carry in my store. However, for the last two days, I've been re-attaching tiles that keep falling off my latest mushroom!
Questions for the experts:
Mapei Ultraflex 2 calls itself "mortar". But the term "mortar" and "thinset" in this case are the same, right? This is basically the adhesive I would mix to stick my tiles on the concrete base I've created?
And, what should I do if I start grouting this thing and additional tiles pop off? I've been running my fingers over the thing for two days, looking for loose tiles, but I don't trust that something won't pop off when I go to grout it. How do you handle that? Do you clear the grout away from that area and reglue it? With what? And if you do that, do you need to wait for the glue to dry to finish the grout in that section?
What a pain in the rumpus!!