The old building I'm fixing had carpet glued on the cement at some point. The carpet is long gone, but traces of the adhesive remain. Ideally, I'd like to put down an epoxy coating & I understand the floor has to be nearly spotless for it to bond. What's the best/cheapest/easiest way to get this stuff off here?
I've scraped as much as I can, but I still see traces of the adhesive, so I know there's still something there.
