Minimum Rating For Commercial Floor Tile

All sides of the tiles are exposed to freezing over 100 freeze thaw cycles.
Minimum rating for commercial floor tile. Stair treads stairs landings tables 3a d t s bca applications. It is measured by the use of a machine known as a rotary abrasion resistance testing machine in which steel ball bearings are pressed down and rolled over the surface of the tile while an observer watches the effect. The ratings are issued based on how many revolutions. These values span a scale from r9 minimum standard right through to r13 the highest slip resistance.
Commercial industrial applications table 5 recommends minimum requirements for specific commercial and industrial applications such as hotel and kitchen restaurants fast food kitchens snack bars coffee and tea kitchens house kitchens washing up rooms dining rooms guest rooms and serving counters. As mentioned not all floor tiles have slip ratings although the ones that don t will be graded to a specific minimum standard regardless but those designated as anti slip floor tiles will be assigned what is known as an r value. This test consists of soaking the tiles in water and subjecting them to temperature cycles from 51 c to 51 c 123 8 f to 59 8 f. How pei ratings are determined.
When a tile absorbs a large quantity of water and the volume increases from freezing the tile can break. The slip rating requirements table 3b sa hb 198 2014. Australian standards for slip resistance while table 2 lists the three principal australian pedestrian slip resistance standards architects and should only need to be familiar with standards australia handbook 197 an introductory guide to the slip resistance of. Before 2014 the standard for rating the slip resistance was based on the static coefficient of friction scof determined by the astm international test method c1028.
According to the ansi a137 1 2012 standard ceramic tiles. Selected for level interior spaces expected to be walked upon when wet must have a minimum wet. March 1st 2018 update. However in the 2012 edition of the american national standards institute s american national standard specifications for ceramic tile anai a137 1 a new method testing conditions and threshold value.
We have pointed out before that the ansi a137 1 dcof acutest and ansi a326 3 minimum recommended wet dynamic coefficient of friction dcof rating for level wet indoor areas of 0 42 is one size fits all and does not consider the use of the flooring upstairs elevator lobby commercial kitchen pool deck etc. The pei rating is essentially a measurement of the surface enamel s resistance to abrasion.