The UK’s independent authority on slip resistance

UK Guidelines

The UK Slip Resistance Group compiles, publishes and distributes authoritative guidance on how to reliably test the slip resistance of flooring materials.

The Assessment of Floor Slip Resistance
The UK Slip Resistant Group Guidelines
Issue 5 2016

Improvements to Issue 5 include amendments to improve the reliability of the Pendulum slip resistance assessment procedure including modifications to the slider verification process.

Although operation of the popular pendulum types is essentially equivalent, the document details recommended operating procedures for each Pendulum type.  Advice is also given on the selection and specification of floor surface materials.

Recent work investigating the variability of surface roughness measurements was presented at the UKSRG meeting today (6 June 2019). As a result of this presentation the Group advises that anybody wanting to determine slip resistance defers to the pendulum test. Section 7 of the Guidelines is under review. 

Following further investigation we will update this advice.

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The document has the following contents:

1 General Principles
2 Background Information
2.1 Why the Pendulum?
2.2 Why Surface Roughness?
2.3 Health & Safety Reminder
3 Using the Pendulum
3.1 Scope
3.2 Equipment
3.3 Setting Up the Munro Stanley Pendulum
3.4 Setting Up the Wessex or KSS Pendulum
3.5 Setting the Zero
3.6 Conducting the Test
4 Slider 96
4.1 Preparing Slider 96
4.2 Verification
5 Slider 55
5.1 Preparing Slider 55
5.2 Verification Using Slider 55
6 Using the Pendulum for Laboratory Tests
7 Using the Roughness Meter
8 Profiled Surfaces, Slopes & Stairs
8.1 Using the Pendulum on Profiled Surfaces
8.2 Using the Pendulum on Stairs
8.3 Using the Pendulum on Slopes
9 Assessing the Results
9.1 Testing in ‘as found’ state
9.2 Using the Results
9.3 The Role of Footwear
10 Care and Maintenance of the Pendulum
10.1 Calibration
11 Troubleshooting
12 Squeeze Film Theory
13 Bibliography

Appendix A – Slip Resistance Test Record Sheet