Spring is a great time to pressure wash concrete driveways and sidewalks. On your driveway, you might want to use a degreaser first on stubborn stains. Then use a pressure washer with detergent to ...

Before and after results of commercial sidewalk cleaning and degreasing by Advanced Pressure Washing Services LLC. High-traffic sidewalks restored to a spotless, grease-free finish. Before and after ...

Sidewalks should be clear of cardboard and trash, any large items should be called in and removed. He says Mission Street and 24th Street are his top priorities at this time of day. “By 9 a.m., ...

Scientists are looking for better ways to clean contaminated concrete to reduce the impact of a U.S. transportation hub being contaminated with a chemical agent. In March 1995, members of a Japanese ...