High performance roading aggregates are produced to meet premium specifications. Lower grade aggregates also available for specific needs.  

DRURY QUARRY
  • TNZ M4 AP40 – Premium AP40 roading basecourse aggregate, compliant with NZTA specification TNZ M/4 (2006)
  • TNZ20 – Premium AP20 roading basecourse, or running course aggregate.
  • SRL AP65 – Premium AP65 roading sub-basecourse or basecourse. Can be MADE TO ORDER, compliant with such specifications as AUS2 or TNZ M/4 (2006).
  • MR8 65 – Premium AP65 roading sub-basecourse produced to meet MANARC specification MR8 (Often specified by Auckland Council and used as per TNZ M/3)
  • MR9 40 – Premium AP 40 sub-basecourse produced to meet MANARC specification MR9 (Often specified by Auckland Council). It is occasionally specified by roading designers as a basecourse – check with your specifier first.

HUNTLY QUARRY
  • TNZ M/4 AP40 – Premium AP40 roading basecourse aggregate, compliant with NZTA specification TNZ M/4
  • TNZ20 – Premium AP20 roading basecourse, or running course aggregate, compliant with NZTA specification TNZ M/4 Note: Hamilton City Developments Manual also recommends TNZ20 as a wearing course on unsealed roads
  • WHAP 40 – Premium AP 40 sub-basecourse produced to meet Hamilton City Development Manual specification. It is sometimes specified by pavement designers for use in basecourse applications.
  • WHAP 65 – Premium AP65 roading sub-basecourse produced to meet Hamilton City Development Manual specification

Note: The Hamilton City Development Manual advises that the above mentioned WHAP65 aggregate Specification sets out requirements for crushed general aggregate (WHAP) intended for use as sub-base material or shaping material for stabilisation purposes.

OTHER ROADING RELATED PRODUCTS

Please view our product page for more info on the following products

  • Modified Aggregates – including lime and cement treated basecourse or subbase
  • General Fill, Hardfill and Subgrade materials
  • Sealing chip /Surfacing
  • Drainage and Filter aggregates
  • Sand
  • Recycled Aggregates

MADE TO ORDER PRODUCTS

We have the capability to manufacture made to order products to client specifications. These can be made very accurately through our quarry based pugmills (continuous mixing plants). Please contact us for further information or technical support.