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Type 2 Primary
A limestone/granite sub-base produced from quarried crushed rock containing particles ranging from 0mm to 32mm
Used as a general fill or base layer for a Type 1
Not permitted to be the top layer in a road make-up
Has a wider grading envelope and when compared to a Type 1, which consequently means that it will create less interlock and will have less load-bearing capability
Not to be confused with other materials such as Road Plainings or Scalpings