You may have seen advertisements for roof sealants designed to be applied directly to asphalt roofs. Such sealants are supposed to stop leaks, extend the life of your roof, and prevent the growth of mold and mildew. Other sealant products for asphalt roofs consist of white reflecting coatings designed to help keep homes cooler in hot and tropical climates, where a dark roof can hold heat and make the interior unpleasantly hot during the day.  See full article.

  You may have seen advertisements for roof sealants designed to be applied directly to asphalt roofs. Such sealants are supposed to stop leaks, extend the life of your roof, and prevent the growth of mold and mildew. Other sealant products for asphalt roofs consist of white reflecting coatings designed to help keep homes cooler in hot and tropical climates, where a dark roof can hold heat and make the interior unpleasantly hot during the day.  See full article.