What is Asphalt Made Of?

What is Asphalt Made Of?

What is Asphalt Made Of?


Asphalt is a common material used for paving driveways, roads, and highways. It is incredibly durable and can withstand harsh weather conditions, heavy traffic, and other factors that can cause wear and tear on pavement. However, have you ever wondered what asphalt is made of? In this blog post, we will explore the components of asphalt and how it is made.


Asphalt is a mixture of various materials. The primary components of asphalt include aggregate, binder, and filler. Aggregate is a mixture of materials such as sand, gravel, and crushed rock, which provides the bulk of the asphalt. The binder is a sticky substance, typically made from heavy crude oil, that holds the aggregate together. The filler is a fine material, such as limestone dust or sand, that fills any cracks or voids in the pavement.

The production of asphalt involves heating the asphalt binder to between 300 and 350 degrees Fahrenheit, which causes it to liquify. Once the binder has been liquified, it is mixed with the aggregate and filler materials in a large mixing plant. The resulting mixture is then transported to the construction site, where it is laid down and compacted to form the final pavement.

The quality of asphalt depends on the quality of its components. The aggregate used in asphalt production should be strong and durable, while the binder should have excellent adhesive properties and be resistant to wear and tear. The filler material should also be able to withstand the rigors of transportation and construction, as well as provide an excellent seal for cracks and voids.

Asphalt can also be produced using different technologies, including hot mix asphalt and cold mix asphalt. Hot mix asphalt is produced at high temperatures, and it is typically used for long-lasting roads and highways. Cold mix asphalt, on the other hand, is produced at low temperatures and is used for temporary repairs or low-volume roads.



In summary, asphalt is a mixture of materials used for paving roads and driveways. It is made up of aggregate, binder, and filler, and its quality depends on the quality of its components. To ensure that your asphalt pavement lasts for many years, it is vital to use high-quality materials and work with experienced professionals who understand the complexities of asphalt production and construction. If you are looking for sealcoating in Orlando, FL, contact Florida Sealcoating today for a free estimate. We are committed to providing high-quality asphalt products and services to meet your needs.