Trowel size with RLS leveling
I am using a 12 x 24 3/8" porcelain tile. For the floor I am using RLS leveling system. I am using a 1/2 x 1/2 trowel with laticrete LHT plus. I am noticing that the RLS system raises the tile slightly and I am concerned about thinset coverage on the tile. I haven't been back buttering as I saw that Isacc doesn't. Wondering if I should trowel ridges on the back of the tile or just back butter?
Part of my challenge is I think I mixed the first batch of thinset too wet so the ridges don't stand up well.
For the wall I am using leave in T spacers that do not raise the tile like the RLS system.
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We always backbutter when using clips with large tiles. You are correct, they slightly raise the tiles so they need a backbutter.