J&J Power Wash was at it again ridding a homeowner of green vinyl siding in King of Prussia, Pa. These are the before pictures of each. To see the after pictures, click here. If you like the King of Prussia power washing before and after pictures below please contact us at 215-703-8306 to setup a free estimate. We offer pressure washing, powerwashing, window cleaning and graffiti removal in the Greater Philadelphia area. To learn more about how to pressure wash please visit our blog.