Pressure washing your home is important. It’s one of the best ways to take away sap, dirt, algae, and grime. And, keeping your home clean provides lasting value. However, it is possible to pressure wash too much. You don’t want to damage any paint or siding by overdoing a good thing. Generally speaking; however, most experts agree that power washing once a year using the proper cleaners and the correct equipment will keep your home looking good.