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grumpygrouter
The bed thickness means when the tile has been pressed into the adhesive. Your trowel if used at 45deg will give a notch of about 7.5mm high which when compressed will certainly be within limits for this adhesive.Just got around to fitting the tile - bought Keraflex BUT looking at the data it claims not for use with beds of more than 5 mm - am using a 20x10 trowel for a 100% cover now would you use Keraflex or do i have to go an get Keraflex Maxi?