A proper driveway washing can make your paved and concrete surfaces safer areas. Over time, an accumulation of dirt, grime, mold, algae, and other contaminants can create slippery surfaces, tripping hazards, and other safety issues. When you get a driveway washing, you are giving the whole paved surface a refresh. In the process, you are making it safer for you, your family, guests, and other visitors to your home.