Polished Concrete

are ideal for polishing, in fact a very high percentage of existing concrete floors will not produce the strength and high sheen exposed aggregate finish that the home or business owner envisioned or expected. The reality is most home owners see a floor with a high gloss sealer on a ground concrete substrate and assume that this is polished concrete, however this is not the case and to those in the industry or to those that are better informed these applications are known as a grind and seal.

http://www.elitecreteaustralia.com.au/grind-and-seal-or-polished-concrete

Too often the customer is delivered a grind and seal when they have paid the premium price of a polished concrete floor