Some Known Questions About Commercial Pressure Washing. Table of ContentsRoof Cleaning for BeginnersWhat Does House Washing Birmingham Mean?Things about Roof CleaningCommercial Pressure Washing - TruthsFor example, concrete can take a higher pressure degree at around 3,000 PSI, whereas wood calls for a softer touch at around 500 to 600 PSI. https://iworkspressurewashing36329.dailyhitblog.com/24838437/getting-the-pressure-washing-to-work