Pressure Washing in Orange Park

Established trees, established algae

The neighborhoods here have had decades to grow their canopy, and a mature tree over a roof is the single best predictor of black streaking. Shade keeps the slope damp, leaf litter feeds what grows there, and the north side of the house gets the same treatment.

Driveways here tend to be the other half of the job. Long concrete runs under oaks pick up a dark organic film along the edges and under the drip line, and that responds to a pre-treatment and dwell time rather than more pressure.