Yes, when performed incorrectly. in Golden, CO
Using excessive pressure, holding the nozzle too close, or using the wrong spray tip can leave permanent lines, gouges, or surface damage. Professional contractors adjust pressure, nozzle selection, and cleaning techniques to safely clean the surface while protecting the concrete.
💡 Good to Know
Those permanent "zebra stripes" you sometimes see on driveways are usually caused by improper pressure washing techniques.
