Heidelberg Materials UK produces and distributes aggregates - crushed rock, sand and gravel - from a network of quarries, depots, and wharves. Our marine division is also Europe's largest producer of marine-dredged sand and gravel. We supply aggregates for a variety of construction uses including the production of ready-mixed concrete, pre-cast concrete and asphalt. We also produce specialist sands for glass making, horticulture, agriculture and leisure. Visit our website for more information.