The commonly specified and often misunderstood value of 0 60 static coefficient of friction scof.
Tile coefficient of friction.
Coefficient of friction is 0 50 to 0 59 wet.
A major change is underway regarding the coefficient of friction for tile the frequently cited and specified measurement of a tile s frictional resistance and the parameter most closely related to traction and slipperiness.
Cof slip resistance ratings help you determine if you are buying the right tile for the right location.
In the us architects and designers generally look for a wet static coefficient of friction of 0 60 or higher by astm method c 1028 to assess potential safety for wet areas of level floors.
The ceramic tile institute identifies tile in the following three categories.
Dcof stands for dynamic coefficient of friction.
Meets or exceeds general safety and health regulations ada and osha requirements.
Coefficient of friction is 0 60 or greater wet.
Cof or coefficient of friction slip ratings published by tile manufacturers.
Specifiers routinely cite the 0 60 value as a requirement for americans with disabilities act ada compliance which isn t entirely accurate.
Find all crossville tile products dcof ratings and learn how the dcof acutest works.
This can give deceptive results applying safe ratings to some flooring samples that are in fact very slippery when wet.