 But even after a few weeks in the warm weather, that oil will have moved up to 7, 8 inches from where it landed. Just like you've seen an oil stain in your garage grow from the size of a quarter to the size of 6 inches across, this oil is designed to do just that and crease, which results in essentially 100% coverage if you do this at the right time of year, which is actually right now in the warmer months.