SH16/18 Noisewall Remediation

Client

Waka Kotahi NZ Transport Agency

Scope

Roading
Complex Structures

Partners

CLL, Swift Roofing
This project involved the remediation of seven noise walls along SH16 and SH18, originally designed to reflect the deep orange hues of the Waitākere clay. Years of exposure had left them weathered, prompting a full upgrade.

The works included the removal of two walls and the re-cladding of five walls using ColourCote Black, Grey Flannel, and Mist Green Aluminium Spanlok, representing the natural tones of the Waitākere Ranges.

Delivered without incident and with minimal environmental impact, the project improved both functionality and aesthetics for the community while maintaining the structural integrity of the noisewalls. The result is a high-quality, visually striking upgrade that enhances the landscape along these major transport corridors.

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