Yes, if done incorrectly, which is why most exterior house washing is done using "soft washing"—a wash that relies on specialized cleaning detergents and low pressure to kill mildew and remove dirt without harming the surface

The main difference between is heat. Both use high high pressures, but a power washer has an onboard heating element to heat the water, while a pressure washer uses regular unheated tap water

Average home cleaning is aprrox. $300 of course depending on the factors. However, there is quite a bit of competition in the SouthEast, so rates are subject to.

As long as direct pressure isn't applied shurbs are fine. Note, if a cleaning agents is being used its important to both pre-rinse and post-rinse the shrubs with clean water.

Most residential properties benefit from annual pressure washing. However, high-traffic areas, properties with lots of shade, or those near trees may need more frequent cleaning. Commercial properties often require quarterly or bi-annual service.

Job duration varies based on property size and services needed. A standard residential house wash typically takes 2-4 hours, while driveway cleaning might take 1-2 hours.

Rinse early and often with hot water if you're cleaning concrete, to keep dirt and debris from "settling" back into the surface area after surface cleaning it. Note, oil stains are just that- a stain from oil soaking into the concrete over time and often can't be completely removed.