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ANSI Dynamic Coefficient of Friction (DCOF) STANDARD. After years research, the tile industry has now passed a new standard for. Learn if ANSI Tile Spec A is enough to protect your floors from slipping accidents. Safety Direct America performs slip resistance testing. ANSI A has always specified ASTM C for coefficient of friction test results. • There has never been a requirement in ANSI or any other governing body.

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New ANSI DCOF Standard Explained – PantheonPantheon

Here we tell you why, and how to avoid the situation. The specifier shall determine tiles appropriate for specific project conditions, considering by way of example, but not in limitation:.

It is no longer a current test method and there are, thankfully, no plans to ever resurrect that very poor test method that has been causing slip and fall accidents and billions in ill-advised flooring purchases all over the USA for many years. C was withdrawn by the ASTM in since it was a very bad test that was basically responsible for thousands upon thousands of needless slip and fall accidents across the country annually by spreading misinformation about the actual real-world slip resistance of various flooring materials.

ANSI has a better test for assessing floor slip resistance: The code requires a minimum wet dynamic coefficient of friction DCOF of 0. Certainly these published lists can expose people on the buying side, and perhaps in the whole chain of supply as well, to accusations of negligence. It does not ensure safety. Here we tell you why, and how to avoid the situation.

Do you duly consider all of the above 16 listed items when you specify, buy or sell flooring? The pendulum test instrument used in this situation-specific test has been testing floors involved in actual real-world slip and fall accidents in the United Kingdom since the s, so the research into these safety standards are unparalleled with any other instrument or test method.


For more information see SafetyDirectAmerica. If you specify or buy flooring based on a minimum wet dynamic coefficient of friction of 0. How much higher should it be? Does this system make more sense than a one-size-fits-all minimum such as 0.

Does ANSI Tile Spec A137.1 help protect you from liability for slipping accidents?

That higher minimum also goes for bathrooms in hospitals and aged care 137.1, because the people involved there are at high risk. So does a wet DCOF rating of 0. Communal shower rooms should have a minimum wet PTV of 40, and swimming pool ramps and stairs leading into water should have at least Those are typically barefoot areas, but there are also many standards for indoor areas where shoes are worn: How can people do a better job for themselves and the public than just looking for a minimum DCOF of 0.

The standard, which includes a slip resistance test procedure also known as the AcuTest, is incorporated by reference in the International Building Codeused throughout the United States and in several other countries. The same instrument, the BOTE, is used for both tests.

The code specifies a minimum wet dynamic coefficient of friction DCOF of 0. Restrooms in offices and shopping centers, where people might be moving faster, should have a PTV of 35 or higher.

As such it can provide a useful comparison of surfaces, but does not predict the likelihood a person will or will not slip on a hard surface flooring material.


We do this floor slip resistance testing work for commercial buildings, major cruise ship companies, tile vendors, attorneys, and many others.

And negligence is something aansi plaintiff lawyers love to see when their client has had an expensive and debilitating injury. A tile with wet DCOF of only 0. They state that the possibility of a slip may be affected by:.

Should it be 0. And why should ceramic tile have an advantage or disadvantage over other flooring when setting a safety minimum?

ANSI A Tile Slip Test

If you specify or buy flooring based on a minimum wet dynamic coefficient of friction DCOF of 0. This usually results in a lower DCOF for the same tile. There are safety standards for other outdoor areas as well. Just as a point of reference, American and European slip resistance test standards require that a basketball court floor have a dry coefficient of friction of 0.

For instance, a hotel bathroom should have a minimum wet PTV of 20 measured using a soft rubber slider to simulate bare feet or soft shoe bottoms. George Sotter at There are much more reliable slip resistance test methods available to ascertain what your real-world slip risk will be.

ANSI and TCNA give no guidance as to how all of these items should factor into a higher DCOF or slip resistance, if needed, and most flooring manufacturers give no slip resistance guidelines or recommendations whatsoever. The stated purpose of the Code is to establish minimum requirements. That test was not based on scientific slip and fall research either, and the ASTM finally withdrew that test method in