commercial or domestic pressure washing now available ! slippy green moss ? at your back door or patio ? slippy steps at the entrance to your offices or car park ? We have up to 4000 psi on our mobile cleaning unit that says it wont stay that dirty or slippy for long ! Our unit is faster and more powerful than any domestic pressure washer enabling us to clean a wide variety of surfaces from block paving to more delicate surfaces we are also able to remove graffiti from most surfaces ! why not call or email today and request a free test patch cleaning to see how good the clean will be .