Are Polished Porcelain Tiles Slippery?

You will find that all polished tiles are more slippery by their very nature than other finishes such natural matt or honed tiles, but if you take care walking on them in wet conditions, they are still suitable for most areas of the home. All major tile manufacturers will have technical data sheets, that state the slip rating of their tiles, you need a COF (Coefficient of Friction) of 6 or better to be slip resistant enough for a floor.