Premium Road Base Materials

Quality Statement

Hunter Quarries supplies high-quality road base materials, including DGB20 and stabilised options, meeting TfNSW 3051 specifications for superior stability and strength.

Road base is an integral component of road construction projects, offering the strength and durability needed for major infrastructure, residential subdivisions, commercial developments, and more. At Hunter Quarries, we supply a range of road base materials that comply with TfNSW 3051 or ARRB specifications.

We supply the following road base materials:

  • DGB20 (Densely Graded Base 20mm): Meets TfNSW 3051 specifications, providing excellent strength and load-bearing capacity.
  • 1-5% Stabilised DGB20: Adds further stability, ideal for specific project requirements.
  • Council Mix (Non-specified): A flexible option for non-specified council projects.
  • 20 or 40 Scalps: Economical options for various road base applications.

*Moisture conditioned through a pugmill available

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Our Products
Frequently Asked Questions FAQ

Frequently Asked Questions

  1. What is DGB20 used for?
    DGB20 is a densely graded road base material used in road construction to provide stability and strength beneath surface layers like asphalt.
  2. Why is moisture conditioning important in road base?
    Moisture conditioning ensures the material compacts uniformly, leading to a stronger, more durable foundation.
Hunter Quarries’ Pugmill producing moisture conditioned road base

Our Projects

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Wamberal rock emergency

Hunter Quarries engaged in a mammoth task of gaining extension of hours to crush and supplying Class 2 Armour Rock to Central Coast Council to protect coastal erosion.

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Reef Restoration

Supporting Reef Restoration

After nearly 150 years of oyster habitat loss causing declines in fish number and water quality, Sydney Rock Oyster reef restoration Project aimed to re-establish oyster habitat throughout NSW estuaries.

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Partner with us on your next project

Contact our specialised team for more information about our products and how we can meet your specifications.

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