You failed to indicate what the floor is made of… wood, cement, tile etc.

You said it had been painted… what paint? Oil or Acrylic? You said "an acrylic coat" put over that… how do you know that? And what was the sheen, flat, semi or gloss? And what is the current condition of the top coat? Solid, chipped, peeling, blistering etc.

Please resubmit your question and indicate these important facts, before we can accurately answer your question!