ANSI A326.3 and ANSI A137.1 Slip Testing

The ANSI A326.3 and A137.1 tile slip test (or “DCOF AcuTest” as it is sometimes called) is performed using the BOT-3000E digital tribometer. This test is primarily a wet test where a 0.42 DCOF rating or greater is considered the minimum for level indoor floors that are expected to get wet in use. The ANSI A137.1/A326.3 tile slip resistance test can be done in the dry condition as well upon request. The A137.1 test was incorporated in the 2012 International Building Code (IBC), and has taken the place of the old ASTM C1028 SCOF test, so building inspectors may require this test. The latest version of A326.3 was published in 2021, and includes minimum DCOF values for areas other than indoor level floors. We do not recommend using ANSI A326.3 to assess the real-world slip resistance of floors, or any other test with the BOT-3000E. The test was created with the help of major American tile manufacturers, and the minimum DCOFs given can give good ratings to very slippery floors. Click on the “Recommended Slip Test Package” button below to learn about our recommended option:

Recommended Floor Slip Resistance Test Package

ANSI A326.3 and an ASTM E303-22 Pendulum DCOF slip test: $387.00 per sample. This lab slip resistance test package will give you two separate DCOF test reports – one for the latest test method written for the BOT-3000E (ANSI A326.3), which sets a very low bar, and another for the latest American floor slip resistance test (the newly revised ASTM E303-22 pendulum test), which we recommend the most for assessing the real-world safety of floors based on 50 years of peer-reviewed, international research in at least 50 nations.


Recommended Floor Slip Test Package PLUS Wear Test

OR, get the above tests PLUS our Sustainable Slip Resistance (wear) Test, which will give an indication of the slip resistance of your flooring after 1-2 years of use in a busy environment with lots of foot traffic. This is our most highly recommended option. $457.00 per sample.


If our “Recommended Lab Slip Test Package” doesn’t interest you, we conduct the ANSI A137.1/A326.3 test for $200 per sample. This will cover the wet testing. Dry testing is usually unnecessary since every floor is above a 0.42, so if you’d like to do this test dry, then there will be an additional charge of $50. Turnaround time for laboratory testing is usually 2-3 business days. Here is a sample of the report you will receive via email. THREE individual pieces of your flooring are called for in the standard. They should be at least 10″ wide. However, we can run this DCOF rating test on smaller samples and on only one sample, if necessary. You can pay by credit card, Paypal, send a check with your sample, or wire transfer. We need to know the name of the client (for the purpose of the report), how you would like the sample named, and we need an email address to send the report to. Your report will be certified and stamped by a registered Professional Engineer. You can also pay for the test online by clicking the “Pay Now” button below, and then just send the info along with your samples (carefully packed) to:

Safety Direct America
c/o John C Sotter
26705 Loma Verde, Mission Viejo, CA 92691
Phone: 1(949)933-6971    E-mail: info@SafetyDirectAmerica.com

You can pay for ANSI A137.1 tests by clicking on this button below:

Pay for slip resistance test

Got questions? Give us a call at the number above or you can contact us through the form below:

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