Look what 4000 psi and hot water does to this mold on a swimming pool deck. The homeowners had tried chemicals and good ole scrubbing, but nothing would clean this mold and stain. We also used the wand on their landscape rocks, what they thought were drab gray were really a pretty orange hue rock. It even cleaned up the large granite boulders. Just think what this can do for your place! Cleans mold, old paint residue, hard water discoloration, oil, etc from decks, sidewalks, driveways, and exterior siding. Residential or commercial…..call us for a free estimate. Remember, no chemicals necessary!