Floor slip resistance testing is the science of measuring the coefficient of friction or resistance to slip accidents of flooring surfaces, either in a laboratory before or after installation or on floors in situ. Slip resistance testing or floor friction testing is usually desired by the building's owner or manager when there has been a report of a slip and fall accident, when there has been a report of a near accident, or preferably before the flooring is installed on the property. There have been numerous floor slip resistance testing tribometers and lab devices produced around the world to measure both the static stationary and dynamic in motion coefficient of friction , but presently there are only a few that have been proven to be reliable for obtaining useful safety results and that have current official test methods. If an instrument has no official published test method, then there is a problem with the instrument, often being poor precision. To assess a floor's slip resistance, a reliable, thoroughly researched in interlaboratory studies floor friction test method must be used, and then a minimum safety criterion 0.
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There are several types of tests for slip resistance, this post explains what they are, how they are executed and how to understand what the results mean for the average person.
This time I want to dive more deeply into the actual mechanics of slip resistance testing, including what implements are used in the process of testing and what variables are accounted for. Once again, this is heavy stuff and can get rather technical, so feel free to email or leave a comment if you find yourself lost.
These devices have been certified to produce repeatable, reproducible, measurable results. Both of these standards for measurement have been withdrawn by the ASTM, leaving no official national standard for measuring the slip resistance of safety footwear. One point to consider, however, is that standards for slip resistant flooring require a 0. There are several floor variables that are tested for when utilizing the English and Brungraber tests. By testing for all these conditions, it gives an idea of how a slip resistant outsole will perform under those various stressful conditions in the workplace.
All of these tests are performed on a square of clean Red American Olean Quarry tile. A shoe can have a perfect 1. All of this technical information is helpful, but can also be overwhelming. The best thing to remember when picking out a slip resistant shoe or safety shoe vendor is to do research. Companies should be able to provide information about the performance of their products.
Feel free to call us, email us or reach us on Twitter or Facebook. How Is Slip Resistance Measured? What Slip Resistance Standards Exist? English XL — Developed by William English, which is powered by a small carbon dioxide cartridge set at a specific pressure. This cartridge pushes a test foot across a walking surface at continually higher pressures until a slip occurs. Brungraber Mark II — This testing device uses a 10 lb. The foot is released at increasing angles, dragged over the walking surface by the weight, until a slip occurs.
This is the most commonly accepted testing method in the United States, so this is the method that SR Max uses to test. About The Author. SR Max. Related Posts.
Slip Resistance Testing Explained [Part 2]
ASTM F 1677 Slip-Resistance Footwear Standards