Archive for August 2021

Asphalt vs. Bitumen: What’s the Difference?

Asphalt and bitumen are terms that are often used interchangeably, but they have their own unique characteristics. Asphalt is a paving material that was originally made from natural materials such as tar, gravel, clay, rock and sand. Bitumen is the heavy oil product also known as asphalt or pitch which comes from the petroleum distillation…

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How Tarmac Became a Modern Construction Tool

In the 1800s a Scottish engineer called John Louson McAdam designed a method for building roads from stone or gravel. McAdam’s design helped create smoother surfaces and lessened the number of potholes in roads. But how did this creation become one of the most used construction materials in modern history? The Origins of Tarmac In…

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