There was some glued accomplished flooring, but it will be sanded so it ought to be smooth Any oil or grease spills? Not which i’ve observed. Reply to mark S You'd probably be superior off filling that first with a flexible caulk and then carrying out the epoxy right after. https://flooring-epoxy-paint78877.activablog.com/40745927/5-simple-techniques-for-epoxy-floor-coatings