How fast will mildew return?
Since changes in weather conditions can affect the growth of mildew, it is hard to say conclusively. To prevent mildew from accumulating we recommend pressure cleaning once a year. How long does it take to clean a driveway? The average residential driveway is about 1,000 Sq Ft. with another 200 sq ft of walkways and other surfaces. This usually takes us 2 – 3 hours to clean. Do you have references?