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Asphalt is not a type of concrete. While both are a common type of pavement, asphalt is composed of aggregates (like sand and gravel) and bitumen; concrete is a mixture of cement, aggregates, and water. Here are some of the key differences between asphalt and concrete driveways.

With proper maintenance, asphalt milling driveways can last 30 years or more. Over time, you’ll need to regularly sealcoat your driveway. You should also have your driveway inspected every few years and make any repairs as soon as they are necessary; this will prolong the lifespan of your driveway.

While blacktop is a type of asphalt, the terms should not be used interchangeably, as not all asphalt qualifies as blacktop. The primary differences are in their composition, production process, and ideal applications. Blacktop contains more stone than other types of asphalt and is heated to a higher temperature during production—300°F or more—while hot-mix asphalt is heated to between 275°F and 300°F. The ratio of bitumen (a tar-like crude oil) is a key differentiator, though sources vary: some state blacktop has less bitumen, making it less durable, while others claim it has a higher ratio. Due to these differences, asphalt is generally more durable and better for high-traffic areas like highways and streets, while blacktop is more suitable for playgrounds and residential driveways. For a driveway project, it is best to consult a professional to determine the most appropriate material.

If you’re looking for a similar, eco-friendly driveway material, you might consider one of these options:

• Permeable pavement: This material is sometimes called “pervious” or “porous” pavement; it allows stormwater to drain into the subbase, eliminating storm drain costs. 

• Gravel: Consider paving your driveway with locally sourced gravel. By sourcing from a nearby source, your money won’t fund international shipping and will be invested back into your local community.

• Natural stone pavers: Because natural stone pavers are made from organically-produced stone, there’s no new manufacturing required, limiting the environmental impact. In addition, water easily flows and drains through the gaps in the pavers.