A Revolutionary Treatment That Extends the Life of Your Roof by 5-15 Years, at a Fraction Of the Cost of Roof Replacement! For over 20 years, bio-based agricultural oils have been used to treat high-traffic asphalt roadways, restoring their flexibility and extending their life. The many applications of this technology keep expanding every day - including the tires on your car. Thanks to RoofRestor, that same technology is now available for your asphalt shingle roof, as a revolutionary alternative to roof replacement.