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Cable seals for offshore links

Cable seals for offshore links

How to seal the unique, large cables in the new platform? This question became a major issue for the partners in the EnBW Baltic 1 offshore substation project.

Fruitful cooperation

Roxtec used its long experience from offshore challenges and designed a special solution in cooperation with the classification society GL, Germanischer Lloyd.

No fire, no water

The Roxtec sealing system is specified for use all over the platform to ensure fire protection and water-tightness, and to provide spare capacity for future needs.

Pioneering success

The EnBW Baltic 1 is the first official commercial wind farm in Germany. With Roxtec, the project partners reduce risk, save time and eliminate future costs.

Why use Roxtec?

  • High safety demands
  • Roxtec offshore competence
  • Capacity for future needs
  • Efficient engineering support
  • Support on site
  • Multidiameter™ – adapts to cables of different sizes through sealing modules with removable layers

Project facts

Project description

New-build of offshore substation transformer platform for wind farms

Owner and builder


Design and engineering

TKB, Technologiekontor Bremerhaven



Electrical installations


Control cabinets and wind turbines supplier


Classification society

Germanischer Lloyd


Sealing of a range of signal and power cables in shelters, stairways, decks and bulkheads

Sealing requirements

Fire-proof according to A0/A60 (marine) respectively S90 (close to land). Watertight and gas-tight.