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.
Pour a small amount of distilled white vinegar into the palm of your hand and rub it into your skin for up to 45 seconds before washing it off with warm, soapy water. Vinegar is nontoxic. Create a gentle, odor-removing solution by combining one part baking soda with three parts water in a bowl. Stir the mixture into a paste, then massage it into your hands for about one minute. Rinse off the paste with warm, soapy water and repeat the process as necessary until the odor is gone.