When it comes to pressure washing, understanding PSI—short for pounds per square inch—is key to achieving the perfect clean without causing damage. It measures the water pressure delivered by a pressure washer, and it plays a critical role in determining how effective and safe the cleaning process will be. Too much pressure can harm delicate surfaces, while too little pressure may not get the job done. In this article, we’ll break down what PSI means, why it matters, and how to use it properly to ensure your property looks its best without compromising its integrity.…