Grout seals
NjordGuard CPS
NjordGuard is an innovative cable protection system designed and developed to protect offshore wind farm power cables in monopile and J-tube applications, ensuring safe and consistent offshore installation performance.
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NjordShield CPS
NjordShield is a cost-effective cable protection system (CPS) suitable for monopile and J-tube wind farm installations, designed to ensure long-term cable stability and performance at the freespan between structure and seabed.
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Cable protection repair system
The cable protection repair system (CPRS) is deployed where existing cable protection systems (CPS) have failed or slipped from J-tubes, leaving cables exposed and unprotected in harsh subsea environments.
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AIS is a global leader in the engineering, manufacture and application of insulation and passive fire protection systems, as well as buoyancy and SURF (subsea, umbilicals, risers and flowlines) products.
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Grout seals

Reliable sealing for offshore grouted connections

Grout seals are custom pre-installed seals designed to retain liquid grout during installation, ensuring secure connection between pile foundations and monopile transition pieces in offshore wind and marine structures.

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Benefits

Secure grout retention for foundation integrity

Grout seals are engineered rubber sealing systems, developed using validated material models and testing. They retain liquid grout during offshore installation between pile foundations and monopile transition pieces, ensuring structural integrity, reliable performance and long-term foundation stability in marine environments.

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Bespoke design
Each seal is custom engineered to meet project-specific sealing requirements, supported by computer modelling and material testing to accurately predict installation behaviour and performance.
Superior strength
Fibre-reinforced options provide increased structural strength for demanding offshore conditions, ensuring reliable grout retention during installation and long-term foundation stability.
Large diameters
Manufacturing methods support large diameter seal production, enabling application across a wide range of monopile and foundation interface configurations.

Specifications

Applications

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News - June 1, 2026

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The new AIS website is now live
With a fresh look and simple navigation, we are pleased to announce that the new AIS website is now live.
News
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October 1, 2026
AIS completes acquisition of Matrix Composites & Engineering
Marking the next phase of its growth strategy, AIS is delighted to announce that it has received all necessary approvals and completed the acquisition of Matrix Composites & Engineering, a leading Australian provider of advanced composite materials and subsea engineering solutions.
Subsea
News
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July 23, 2026
LS Cable & System awards contract for Taiwan’s Fengmiao offshore wind project
NjordGuard cable protection systems will protect the inter-array cables for the project’s fixed-bottom wind turbines.
Subsea
Offshore wind
News
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June 8, 2026
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