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.
1 To remove the onion odor from your hands, rub a piece of lemon in salt and then squeeze the juice on your hands, rub the juice in, and then rinse it off. 2  To reduce the onion smell in the kitchen, combine 3 to 4 cups of water, a cup of vinegar, and a teaspoon of cloves in a pan and bring to a boil.