Maintenance for Marine Structures

Preserve performance and avoid costly disruptions

Saltwater, waves, tides, and wind weardown marine infrastructure every day. Even before visible damage appears, corrosion, erosion, and fatigue can threaten safety and continuity of performance.

VSL provides targeted structural maintenance services to help owners preserve the value, function, and compliance of marine assets, from jetties and wharfs to seawalls and lock gates.

Our services for the maintenance of marine structures

We deliver structural maintenance services adapted to the materials, conditions, and operational constraints of marine structures.

  • Cleaning by jetting or sandblasting
  • Anti-corrosion paints and waterproofing membranes
  • Maintenance of architectural finishes and protective systems

  • Low cover correction, concrete repairs and corrosion inhibitor application
  • Cathodic protection system checks, installation and upgrades
  • Re-alkalisation or chloride extraction where needed

  • Inspection and replacement of expansion joints and bearings
  • Synchronized jacking to ensure safe and uniform displacement
  • Grouting and alignment for support components

  • Expert lead visual inspections and non-destructive testing
  • Force adjustments and tension re-calibration
  • Protection upgrades
  • Maintenance of active ground anchors and dampers

  • Installation and maintenance of safe access equipment in tidal or confined zones
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Why choose VSL for the maintenance of your marine structure?

  • Solutions built for the sea

    We use proven materials and techniques that perform under tidal, submerged, and chloride-impacted environments.
  • Minimal disruption

    Our solutions are designed to minimize interference with port operations, marine traffic, and safety systems.
  • Long-term focus

    With lifecycle insights and data-driven decisions, we help optimize asset use and reduce future repair needs.

FAQs about the maintenance of marine structures

Here are some of the questions we’re asked most often about the maintenance of marine structures. If you have more, don’t hesitate to contact us!

Rust staining, cracking, spalling, coating deterioration, unusual movement, or vibration are key indicators.

Yes. VSL uses barges, cofferdams, and specialized access solutions to carry out works under live conditions to suit the operation’s critical activities and schedules.

We recommend annual visual checks and periodic interventions every 3-5 years, depending on the structure’s exposure, history and material composition.

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Let’s keep your marine infrastructure operating smoothly

Looking to plan a maintenance campaign or need help prioritizing interventions?