Understanding PSI and GPM Ratings for Power Wash Projects
Whether you are cleaning a concrete driveway in Parkhurst, a Queenslander's weatherboards in The Range, or a commercial forecourt in the Rockhampton CBD, two numbers on a pressure washer determine how well the job goes: PSI and GPM. Understanding what these ratings mean helps you choose the right equipment, avoid costly surface damage, and get a better result in less time. This guide explains both ratings in practical terms and shows how they apply to common cleaning projec