Anti slip floor tiles are given a resistance rating to help grade the non slip level differed by a particular tile. This is known as the “R” value.
R9 and R10 values are often used and recommended for domestic bathroom tiles or kitchen tiles. R13 is the resistance recommended by many professionals for public areas such as lavatories, communal showers and swimming pool surrounds. When purchasing bathroom tiles from tile shops, ensure you ask the “R” value of the tiles. Manufacturer will supply a certificate showing the tiles “R” value.