There is no longer any ANSI standard for measuring the Static Coefficient of Friction (SCOF), thus completing the transition in the United States away from the SCOF method to the globally recognized DCOF method.“
Tile Council of North America (TCNA) has announced the addition of a five-category “product use classification system” in ANSI A326.3 American National Standard Test Method for Measuring Dynamic Coefficient of Friction of Hard Surface Flooring Materials, published on February 2, 2022.
In the United States, there is only one standard that is acceptable for measuring slip resistance. It is the ANSI A326.3 which tests for the DCOF of a surface and requires the DCOF to measure above a 0.42 to be compliant with the standard.
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