Pressure washing can damage your concrete driveway if not done properly. The high-pressure stream of water can blast away the surface of the concrete, leaving it pitted and rough. It's important to use a low pressure setting on your pressure washer and to avoid spraying the water directly at the surface of the concrete. Instead, aim for an angle that will allow the water to soak into the pores of the concrete. You should also avoid walking on wet concrete, as this can cause further damage.

Yes, it can. The high-pressure stream of water can blast away the surface of the concrete, leaving it pitted and rough. In addition, the intense heat that is created by the friction of the water against the concrete can cause cracking and other damage.