Aggregate With quarry reserves across the country, Heidelberg Materials has an unrivaled range of aggregates for your project. Whether you need strong natural rock for functional purposes, or to finish the look of your project, we have a solution for you. Learn more Crushed Rock With a wide range of durable Crushed Rock blends, Heidelberg Materials has a solution for your project. Learn more Sand Durable, cost-effective and reliable, Heidelberg Materials has a variety of sand solutions ready for your project. Learn more Recent News Hanson Australia enters a new era with rebrand to Heidelberg Materials Innovative water management at Dubbo Concrete Plant, NSW Water management at Southport concrete plant, Queensland Water reduction at Diggers Rest Quarry, Victoria