Asset Protection Technology

Concrete Mattresses

Tekmar's Concrete Mattresses provide durable and effective seabed protection and stabilisation for subsea cables, pipelines and offshore structures. Designed to minimise movement, exposure and environmental loading, our mattresses help protect critical infrastructure while supporting long-term asset performance in challenging offshore conditions.

Proven concrete mattress solutions trusted across offshore wind, oil & gas and marine infrastructure projects worldwide.

Available in a range of standard, fronded and articulated configurations, Concrete Mattresses can be tailored to suit project-specific requirements, seabed conditions and installation methodologies. Combining proven engineering, in-house manufacturing capability and decades of offshore experience, Tekmar delivers trusted stabilisation solutions for offshore wind, oil & gas, interconnectors and marine infrastructure projects worldwide.

Key Features

  • Engineered seabed protection and stabilisation for critical subsea assets
  • Available in standard, articulated and fronded configurations
  • Designed to reduce asset movement and environmental exposure
  • Flexible designs tailored to site-specific conditions and project requirements
  • Suitable for cables, pipelines, crossings and offshore structures
  • Designed for efficient offshore handling and installation
  • Manufactured and quality controlled in-house for consistent performance

Applications

Concrete Mattresses support a wide range of offshore infrastructure applications, including:

  • Offshore wind export and inter-array cable protection
  • Pipeline and flowline stabilisation
  • Subsea crossing protection and support
  • Interconnector and power transmission infrastructure
  • Marine infrastructure and coastal engineering projects

Environmental Benefits

Tekmar’s fronded concrete mattresses are designed to encourage natural sediment accretion and seabed reinstatement, helping to reduce exposure risks while supporting environmentally responsible offshore development.

Why Tekmar?

Drawing on decades of offshore engineering expertise and more than 100,000 subsea stabilisation products deployed worldwide, Tekmar delivers trusted concrete mattress solutions designed for performance, reliability and long-term asset protection.

Associated Products & Services

Concrete Solutions

Fabric Formworks

Bulk / Drop Bags

PRP Units (Rock Bags)

Concrete Structures

GEO-MAT

Bitumen Mattresses

Anti-Scour Mattresses

Pipeline Protection & Stabilisation

Case studies

Our Latest Projects

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Offshore Wind

COASTAL VIRGINIA OFFSHORE WIND (CVOW)

The CVOW project is a great example of Tekmar’s complementary technologies and services working together to support

Offshore Wind

EFFECTIVE SIMULATION AND ANALYSIS MANAGEMENT USING AELCLOUD

The Problem Geo-intelligence and asset integrity provider, Fugro, required a large number of simulations of subsea power

Offshore Wind

DEVELOPING NEW METHODOLOGY FOR SUBSEA CABLE ANALYSIS

Tekmar has developed a methodology that takes into account the local stiffness of all cable components and

Marine Infrastructures

JACK UP SUPPORT – ZULUF FIELD

The Arabian Gulf remains at the forefront of oil and gas extraction with many fields still being

Offshore Wind

WAVE ENERGY GENERATOR FOUNDATION STUDY

Wave energy is a hugely undervalued resource, and we are very proud to be involved in the

Marine Infrastructures

MOORING PILE DESIGN

FPU Mooring Pile Design – East Java  Sitting near the boundary between the Sunda Plate and the

Offshore Wind

BURIAL ASSESSMENT STUDY

Offshore wind in Taiwan is a booming sector, and we are delighted to be involved. We recently

Marine Infrastructures

SHAH DENIZ II

In 2019 we supplied a number of shallow and deep water turning bollards for the Shah Deniz II project

Offshore Wind

DEVELOPING A HOLISTIC ANALYSIS MODEL FOR CPS

The Problem Cable protection systems (CPS) are a requirement on the vast majority of offshore windfarms. They

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