Can Pressure Cleaning Remove Oil Stains from a Driveway?
Pressure cleaning can remove or significantly reduce many oil stains from a driveway, but results depend on the oil type, the age and depth of the stain, and the driveway surface. Fresh oil on sound concrete is usually easier to treat than an old, deeply absorbed mark. On porous concrete, asphalt, pavers or exposed aggregate, oil can penetrate below the visible surface, so a pressure washer alone may not restore the area completely. For Unley homeowners, the most reliabl