AS 4586-2013 Explained: Understanding P and D Ratings

Slip Test Lab

P and D ratings under AS 4586:2013 define how a surface performs under wet or dry conditions. This guide explains the testing methods, classification scales, and how to ensure your product or floor is compliant before installation.

How Often Should You Be Testing? A Risk-Based Guide

How often should you be testing?

Slip resistance isn’t static. Wear, cleaning, and treatment changes can all affect safety. This guide outlines how often you should be testing surfaces under AS 4663:2013—based on risk, site type, and real-world triggers.