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

Download our Guide to Road Base

Frequently Asked Questions

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.
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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Process Audit for M1 Extension

Hunter Quarries recently passed a process audit for the M1 Pacific Motorway Extension project with zero non-conformances. The audit covered our quality practices, including stockpile management, material sampling, testing, and traceability, ensuring compliance with Transport for NSW specifications.

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