Asphalt seems like a pretty standard element in commercial and residential resurfacing and paving, but here’s a few facts that you might not have known about it.
- Asphalt is made from stones, sand, and gravel, held together by asphalt cement.
- Asphalt pavement provide a smooth, quiet, skid-resistant ride surface.
- Natural asphalt – also called tar – is a petrochemical substance manufactured by the earth in much the same way as crude oil.
- Asphalt is naturally water resistant and flexible, even when hard. It is ideal for road paving because it is viscous when hot, but solid when cool.
- Today’s asphalt paving material is about 95% aggregate and sand. The remaining 5% is liquid asphalt – the glue that holds it all together.
- Liquid asphalt was used by ancient Egyptians to embalm mummies, as they recognized the lasting qualities of asphalt.
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