Concrete Aggregates: Different regional names:
Class 5: CL 5, Class 6, CL 6, ABC, Road Base, CDOT Spec products, Recycled Concrete, Crushed Concrete,
Class 6: Which is also called : recycled concrete, class 5, ABC, Road Base, CDOT Spec CL 6
Class 6 is a general term for what can be named: road base or recycled concrete. Made out of crushed concrete from old buildings, roads, driveways, sidewalks etc… The recycled ” New ” products can be Class 5, CL 5 Class 6, CL 6, Road base, ABC, rock, 1 ½ , Spec 5 or Spec 6 and many other names depending the region. 1 ½ screened rock or Recycled Rock is just bigger sixed Class 6, which is recycled concrete.