If you don't have a power washer, you may use a normal garden hose attached to a pressure nozzle in a very low setting. A power washer can also have an assortment of unique attachments for a wide selection of cleaning needs.
The pressure used should be sufficient to eliminate dead wood but not sufficient to cause furring'' Experience is going to be your very best teacher. Pressure washing ought to be accomplished by professionals as the procedure necessitates skill. For regular household usage, it is the way to go. Residential pressure washing of homes and companies in the Warsaw area is virtually a daily event.