Ok thanks, it was sanded mechanically after a week of screed install , heat has been on a month or so ( which will be turned off come install time) it will be getting vacuumed, washed with clean water allowed to dry ,primed a couple of times .. control joints at doorways .
Should be grand then.
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Separately
ive read on a few posts here , everyone using ditra on liquid screeds do you know of a specific reason why we should be doing that if we are already using control joints? I thought ditra was for lateral movement. Unless the client doesn’t want to have control joints..is the only reason I can think off .. but I’m happy to informed differently