text:  I don't know, but I think it is because they were just redone probably two months before we bought the house and all of it. So I'm assuming it's water-based. And you know how she's probably always used denatured alcohol on floors to get paint splatters, and it never did that because they were solvent-based urethanes on that hardwood floor. So rubbing alcohol is a product that I recommend for people to test floors