How much is polished concrete flooring?

The most durable flooring solution for high traffic areas.   what is polished concrete?  concrete surfaces are ground using fast rotating diamond pads.  generally the surface should be started at 80 grit and then 120grit then 240grit up to 3000grit.   3000grit will give you a very nice shine.  A densifier can be used to seal and strengthen the concrete.  Polished concrete costs can start at $5sq.ft.