Products and Services Washed Sand. Primarily used in concrete applications, Washed Sand is also used in Asphalt production. Jamaica Aggregates also produces Florida Department of Transportation approved Manufactured Sand.
concrete and asphalt pavements The best aggregates to use for strength are crushed stone or crushed gravel. Crushed aggregate have irregular, angular particles that tend to interlock when compacted or consolidated. The crushed stone or crushed gravel aggregate make the asphalt or concrete mix somewhat difficult to place.