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I’ve just poured a first coat of Quikrete High Performance Self-Leveling Resurfacer and have irregularities due to not pouring each bucket fast enough for the area I’m resurfacing (250 sf) and, i think, that the water:concrete ratio was too thick to flow. Perhaps due to the relatively low humidity where i am?). I need to level the first coat.

I submitted a support request on Quickrete’s site but no response yet.

Can i pour a second skim coat?
How long can i wait? Or must i wait?
Is any additional surface prep required?

Thanks