Stains on concrete caused by lubricating or petroleum oils are very common-any homeowner with a garage can tell you that. Oil can easily penetrate the surface of a concrete floor or driveway if given enough time.
How to clean oil from concrete surfaces
One of the best ways to avoid oil stains on concrete is to use some absorbent, inert, granular material to soak it up immediately, before it has a chance to penetrate the pores in the concrete surface. (Portland cement, cornstarch, talcum powder, or cat litter work well.) But, more often than not, the oil slick is not noticed right away, and other methods must then be used. The following is a list of methods, recommended by the Portland Cement Association in its technical pamphlet "Removing Stains and Cleaning Concrete Surfaces."
Troweled Concrete Surfaces
Broomed Concrete Surfaces
These methods can be used in addition to the ones listed above:
For more information, please contact your Lafarge sales representative or technical sales engineer.