If metal roof then similar to above, then at least higher end cost or above depending on roofing materials - (about $1200-2000) unless roofing panels are also damaged, not just ridge vent / cap.
1 Work the soap into a lather all over your hands, scrubbing the skin under and around your nails as well. 2  If you still smell gasoline on your hands after washing them with soap, mix a few drops of vanilla extract with water and rub it into your hands to reduce or eliminate the smell.
Dry the area using a rag or your vacuum cleaner. Once done, apply the baking soda solution on your carpet. Dry the area using a rag or your vacuum cleaner. When your carpet dries, the gasoline smell will be gone. (For more tips on cleaning the carpet's car, read how to clean a car's interior)