Stone Surfaces How to Remove OilBase Paint Stains:
Follow these steps to remove oilbase paint stains from Bluestone, Concrete, Flagstone, Granite, Limestone, Masonry Tile, Sandstone, Slate, Terrazzo: Scrape up the excess spill. Wash the area with a solution of washing soda or detergent (not soap) and water. Scrub with a cloth or softbristled brush.