ROADING AGGREGATES

Winstone Aggregates is New Zealand's largest manufacturer and distributor of aggregates to the roading industry.

Download roading product map (PDF 137KB)

Asphalt Aggregates
A range of high quality sealing chip is produced, including GRIPCHIP?, a high skid resistance product made from recycled steel slag.

Download GRIPCHIP™ Brochure (PDF 154KB)

Basecourse
Winstone Aggregates produces a variety of basecourse aggregates from high specification TRANSIT New Zealand compliant to general purpose GAP products. We also produce a range of modified aggregates.

Download Hunua Cement Treated Basecourse Brochure (PDF 177KB)
Download Flat Top Hydrated Cement Treated Basecourse Brochure (PDF 478KB)

Sub-Basecourse
For controlled hard-fill, sub-basecourses ranging from 65mm - 100mm are available.

Sub-Grade Improvement
Improve natural foundations with a variety of sub-grade fill aggregate including All Passing 100mm.

CONCRETE AGGREGATES

A wide range of durable, high grade concrete aggregates are produced. For non-specified applications Builders Mix is also available.

Exposed aggregates
Pebbles in varying colours and blends are available for decorative applications.

SPECIALISED AGGREGATES

Various specialised aggregates are produced for (but not limited to) horticultural, agricultural, landscaping and drainage applications.

Drainage filter material
Prevent surface instability and blocked drains with Winstone Aggregates granular filter material. A range of bedding and backfilling material is produced from scoria, sand and crushed metal.

Track ballast
Conforming to Ballast Track Specification, Winstone Aggregates' ballast is available from various well-situated locations.

Sand
Our sand plants produce a variety of sands for use in concrete production, mortar, fill and drainage applications.

Pumice
Pacific Pumice, operated by Winstone Aggregates is New Zealand's largest licensed pumice operation. High capacity equipment is used to give accurate size grading, blending and moisture adjustment by rotary kiln drying.

Landscaping
Develop play areas, water features, paths, rock walls, feature boulders and pebble gardens from our wide selection of landscaping aggregates.

MANAGED CLEANFILL
Winstone Aggregates operates two managed cleanfill sites.

Download Puketutu Island Managed Fill Criteria (PDF 104KB)

For more information about any of our products, please contact us.