Aggregate

Aggregates are sand, gravel, and crushed stone. Over 90% are used in construction since aggregates are necessary for making concrete and asphalt. In fact, aggregates comprise 70 80% of concrete and about 95% of asphalt mixtures. Without aggregates, we wouldnt have homes, highways, hospitals, buildings, airports, or any other structure used by Californians. The construction of an average home, including necessary neighborhood infrastructure, requires nearly 400 tons of aggregates. Construction aggregates form the underpinnings of our cities, towns, and transportation networks.

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