July 13, 2005
Concrete vs. Asphalt Driveways
Thinking of redoing your driveway? Asphalt and concrete are the two most common materials in the US. Asphalt is best suited for hot climates while concrete works better in colder climates. For moderate climates, either work well. Want more details?
Asphalt Driveways Information
Asphalt is made of petroleum mixed with small stone particles. It comes hot to the site, is put in a paving machine, and is spread in layers 4-8" deep. A heavy roller then compacts it to form a smooth black surface. It lasts for many years, but can develop "soft spots" if exposed to oil or gas spills. If you don't like the color of asphalt for a driveway, it can be altered by embedding a layer of pea gravel to allow it to blend better with the landscape.
Concrete Driveways Information
Poured concrete is a little more expensive than asphalt, but it's longer lasting when installed properly (although see above for notes about which works best in which climate). If you don't want plain old concrete, you can color it, stain it with chemicals, top it with exposed aggregate, etch it with acid, score it, stamp it, or coat it with acrylic. Stamped concrete driveways, in particular, are becoming more popular since they can be made to resemble stones, bricks, or various sized and shaped pavers.
Source: Front Yard Idea Book
