Pendulum Slip Testing

The Pendulum is subject to British Standard BS 7976 and the test operated to UKSRG Guidelines.

Pendulum Slip Testing

The Pendulum is subject to British Standard BS 7976, BS EN 13036-4:2003 and operated to the UK Slip Resistance Group Guidelines Issue 5 (2016). This is the UK HSE and UKSRG preferred in-situ slip test method.

Pendulum Coefficient of Friction (CoF) Slip Testing is the HSE Original slip testing method in the UK. It is one of the two HSE recognised testing methods known and considered the most effective form of testing whether floors are fit for purpose. Using a pendulum, a specifically designed piece of equipment for the testing process, the Pendulum Slip Test mimics a heel sliding on the floor surface whilst measuring the resistance of a moving marker at the same time. This provides a Pendulum Test Value (PTV), which is used to determine the floor's slip resistance in both wet and dry conditions.

Results showing a value of 36+ are considered to have a low slip potential, with moderate scores at 25-35 and high slip potential scores being between 0 and 24.

Pendulum tests are regularly used in court proceedings where slip injury claims are considered, thereby ensuring that the employer/owner can demonstrate a clear duty of care and provision of a safe environment.

As a fully portable test, it allows precise locations to be slip tested i.e. the site of a fall. The test is a quick and efficient and most organisations find that this test can be carried out with minimal disruption to their business.

The Pendulum test is very accurate and adaptable, allowing for results to be shown for wet and dry conditions.

The Rz Surface Roughness test measures the surface roughness and should be taken in support of a pendulum assessment as it can provide additional information about a floor surface and its ability to cope with contaminants.

The combination of the tests is recognised as providing the most accurate measure of pedestrian slip resistance of a surface in-situ.

All test equipment carries the appropriate UKAS calibration certification.

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Did you know?

So far this year


worth of slip claims have been made.


of all accidents to the public are slips and trips.