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.
To remove the presence of gasoline fumes, locate the source of the odor. Once the source is found, blot the area to remove any excess gasoline, then apply white vinegar and baking soda to the area to absorb the odor. If the smell is on clothing or a person's body, use vanilla essence or lemon juice to remove the odor.