My beautiful 4 year old son happened upon a pretty full gallon of chansaw bar oil. Most of it made it to the ground but some of it was smeared across the cinder block foundation of our house. Any of you gearheads have experience removing oil from concrete or cinder block?
I'd say try one of those strong citrus based cleaners, might get that stained look out. Is the cinder visible on the interior of the house and did the oil penetrate deep enough to be seen inside?