Durable roading aggregates made to take you places
From the busiest to the quietest roads, Winstone Aggregates is the largest manufacturer and distributor of aggregates to the roading industry in New Zealand. Producing basecourse for heavily trafficked roads and state highways, sub-basecourse for local roads and sub-grade to improve foundations with a variety of sub-grade fill aggregates, Winstone Aggregates roading materials are NZTA compliant.