Polished Concrete and Grind & Seal
A mechanically polished concrete floor is very time consuming if done correctly, this is due to the fact that there are at least 10 - 15 steps involved. The general rule is to start the initial grinding with a coarse 16 - 30 grit diamond and grind to the desired aggregate exposure level desired and finish with a 1500 - or 3000 grit diamond ...