If you want to surface a gravel driveway or build a parking lot for your business, you should look into asphalt contractors in Atlanta. Asphalt, or asphalt concrete, is a super sticky substance found naturally in the earth. When heated and then cooled, asphalt becomes a very hard substance. Asphalt contractors in Atlanta mix the heated form of asphalt with aggregates such as pebbles or broken bits of concrete and spread it on the area that needs a surface so when the asphalt cools and dries it is the hard surface you need for your driveway or parking lot. You can find many uses for asphalt, and some of them are quite surprising. In fact, people have been using asphalt for hard surfaces since Egyptians were making mummies because even they knew that it made sense to use such a durable product for things that would need to last a long time.