Asphalt On Concrete surfaces such as bridge decks and concrete parking structures is a common. Many times there is a waterproof membrane between the asphalt and concrete. Often this is a two step process that involves chipping the asphalt off and then proceeding to scrape the membrane off. This is a costly and labour intensive process. WIth the correct size Heater, the asphalt and membrane can be heated and removed in once process in a fraction of the time.