CDE Wash Plants
Wet processing solutions for sand, gravel, quarry waste, C&D recycling, contaminated soils, and mining.
- EvoWash, AggMax
- AquaCycle & Filter Press
- Full water treatment systems
MEKA Washing Solutions
Compact, modular, and rugged systems ideal for sand recovery and dewatering.
- Screw & Bucket Washers
- Dewatering Screens
Why Rocktec for Wash Plants
As New Zealand’s leaders in fixed plant engineering, we’ve delivered wash plants across the country that don’t just meet spec, they reduce waste, optimise water use, and keep operations running.
From modular systems to complete turnkey plants, our solutions are engineered for local materials, regulations, and performance demands. Global technology, locally integrated and fully supported.
What sets us apart:
- 30+ years delivering wash plants across NZ
- Solutions engineered for local materials and compliance
- Full integration and commissioning support
- Ongoing service backed by our nationwide team
Wet processing systems unlock value across your operation
As New Zealand’s fixed plant engineering leaders and CDE’s local partner, Rocktec delivers advanced wet processing technology with complete engineering integration and nationwide support.
Improve Product Quality
Wash plants remove silt, clay, and other contaminants, delivering clean, in-spec sand and aggregates.
Recover More Material
Fines recovery turns waste into saleable product, boosting yield and overall profitability.
Reduce Water Usage
Water recycling systems cut usage and support compliance by recovering and reusing process water.
Lower Operational Downtime
Modular wash plants are easier to maintain, reducing downtime and keeping production running longer.
Support Compliance and Sustainability
Cleaner output, less runoff and smarter water use support compliance and environmental leadership.




















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