Driveway and Concrete Cleaning is a professional cleaning process that uses high pressure water and specialized equipment to remove dirt, oil stains, mold, mildew, algae, and built up grime from driveways, walkways, sidewalks, and other concrete or paved surfaces. Over time, outdoor concrete absorbs pollutants and organic growth that regular rinsing cannot touch. Siege Pressure Washing uses proven techniques to restore the original look of your surfaces and help your property make a strong first impression.