Highline provides specialist maintenance, inspection and corrosion remediation services across New Zealand's port, marine and industrial infrastructure.

Working nationwide, our teams support clients with safe and efficient access solutions for critical assets including cranes, wharves, marine structures and industrial facilities. We understand the challenges of working within live operational environments and regularly deliver work during planned shutdown programmes, maintenance windows and reactive repair campaigns.

 By combining rope access expertise, experienced project management and specialist coating inspection capability, we deliver tailored maintenance solutions that minimise disruption, improve efficiency and support long-term asset performance.

Industrial Asset Maintenance

  • Corrosion remediation

  • Protective coatings

  • Surface preparation

  • Water blasting

  • Abrasive blasting

  • Coating inspections

  • Asset condition surveys

  • Port infrastructure maintenance

  • Shutdown support

  • Structural inspections

  • Industrial cleaning

Our Services

Featured Projects

Corrosion Remediation: Dixon Street Apartments, Wellington

Highline remediated significant corrosion on structural balcony frames of a multi-storey apartment building in Wellington CBD. To meet the engineer's specified surface preparation standard, we designed and implemented a bespoke abrasive blasting habitat that safely contained blasting operations and prevented environmental contamination. The project demonstrated Highline's ability to deliver complex corrosion remediation in challenging urban environments.

Key Capabilities

  • Structural steel corrosion remediation

  • Abrasive blasting at height

  • Bespoke blasting habitat design

  • Rope access industrial coatings

  • Urban environmental containment

  • Engineer-specified remediation works

Port Infrastructure Maintenance, New Zealand & Australia

Highline has delivered multiple seasons of corrosion remediation and protective coating works across major port facilities in New Zealand and Australia. Working on ship-to-shore container cranes, bulk handling equipment and marine infrastructure, our teams complete shutdown maintenance programmes within tight outage windows while meeting demanding engineering, quality and safety requirements.

Key Capabilities

  • Port and marine infrastructure maintenance

  • Ship-to-shore crane remediation

  • Heavy industrial corrosion repairs

  • Abrasive blasting and protective coatings

  • Shutdown and outage delivery

  • C5 marine environment asset protection

Biosecurity Cleaning,
QUBE Tauranga

Highline was engaged by QUBE to deep clean two harbour mobile cranes prior to their export from New Zealand to Australia. Working to a tight deadline, our team rapidly mobilised to deliver a comprehensive cleaning programme that met strict Australian biosecurity requirements. Both cranes passed inspection first time, avoiding costly delays and keeping the export programme on schedule.

Key Capabilities

  • Industrial deep cleaning

  • Biosecurity compliance

  • Port and heavy equipment maintenance

  • Rapid mobilisation

  • Critical deadline delivery

  • Export preparation services