Csub

Csub We have a pragmatic and innovative approach and channel a lot of our resources towards R&D. A single cover can protect several pipelines.

CSUB is a leading developer and manufacturer of Composite Subsea Products and Solutions

CSUB can provide all types of composite related products to the offshore subsea market according to relevant standards as NORSOK DNV-OS-C501 Offshore Components. Our main focus is to develop solutions where composites, both from technical and commercial perspective, can replace traditional steel structures. CS

UB products all have the following advantages over steel: Lower cost, lower installation weight - typically 1/3, stackable - saving deck space and minimising offshore vessel campaigns, wet storage - ready for final inspection at a later stage, non corrosive materials with over 50 years lifetime, high impact resistance - tested up to 300kJ. Our GRP products are extremely strong and can be designed with over 20m free span. From the start in 2003 CSUB has grown to become the major player in the supply of composites to the Norwegian Subsea Market. Our production techniques and facilities enable us to produce composite parts up to very large structures as well as custom made smaller parts. CSUB has produced more than 500 GRP Protection structures to the subsea market since 2005, ranging from hatches/small covers of 300 kgs up to large GRP Protection structures close to 50 tonnes.

20/05/2026

It is tempting to focus only on installation cost when evaluating a subsea structure. But just as importantly, it should also be assessed by what it may cost to live with over the next 20, 30 or 50+ years ⏳CSUB’s GRP structures are designed for 50+ years of service life. Because the material is not subject to metallic corrosion, it can help reduce lifecycle burden and support a stronger total cost of ownership over time.

In subsea projects, the material itself is only part of the solution. Much of the real value comes from how early the st...
13/05/2026

In subsea projects, the material itself is only part of the solution. Much of the real value comes from how early the structure is adapted to project requirements, installation method, transport logic, interface conditions and long-term operating demands. That is where co-engineering matters. At CSUB, each structure is developed around the specific project rather than taken off the shelf. Our engineering team works directly with clients on design optimisation, value engineering and fast-track delivery to help ensure the structure is not only technically right, but also practical to fabricate, transport and install. Learn more about our engineering approach 🌐https://csub.com/engineering/

Substantially above NOK 100 million — and gaining ground in new markets 👏 In Q1, we signed contracts exceeding NOK 100 m...
05/05/2026

Substantially above NOK 100 million — and gaining ground in new markets 👏 In Q1, we signed contracts exceeding NOK 100 million in total. Seeing this happen across new markets makes the milestone even more meaningful for us. It shows that we are moving in the right direction and building momentum in new markets alongside our existing ones 🙌

Subsea projects are local in ex*****on, but global in demand 🌍 CSUB operates from its engineering headquarters in Norway...
29/04/2026

Subsea projects are local in ex*****on, but global in demand 🌍 CSUB operates from its engineering headquarters in Norway, supported by manufacturing capacity across multiple sites and regional production through partners. For offshore clients, that can mean shorter transport distances, greater delivery flexibility and better support across different project regions.

15/04/2026

With 500+ deliveries worldwide, we have worked across a broad range of subsea projects and applications 🌊 Our GRP structures are developed around practical installation conditions, project requirements and long-term lifecycle considerations. See recent projects: https://csub.com/latest-news/

H₂S is one of the most demanding corrosion challenges in oil and gas 😥 In metallic systems, sour-service conditions can ...
07/04/2026

H₂S is one of the most demanding corrosion challenges in oil and gas 😥 In metallic systems, sour-service conditions can increase the risk of cracking, degradation and reduced long-term reliability. That is why material choice becomes especially important in demanding offshore environments.
GRP structures provide a non-metallic alternative, making them particularly relevant in applications where corrosion resistance and long service life are key requirements. Read more about the benefits of GRP: https://csub.com/grp/

Deck space is easy to overlook. Until it becomes a constraint offshore. Our structures are designed to stack efficiently...
01/04/2026

Deck space is easy to overlook. Until it becomes a constraint offshore. Our structures are designed to stack efficiently. Where a vessel deck might carry 15–20 steel structures, it can carry significantly more GRP equivalents.
This can support more efficient load-out, higher transport density, better use of deck space and smoother offshore campaign planning. Read more about efficient subsea structure design 🌐 https://csub.com/engineering/

27/03/2026

New career opportunities at CSUB 🔧We are currently looking for engineers, managers and controllers in Norway and Lithuania. Become part of an international technology company delivering advanced GRP solutions across subsea, energy, aquaculture and infrastructure. See all vacancies here 📲 https://csub.com/career/
Application deadline: 19.04.2026

In many subsea projects, installation drives more cost than the structure itself. Vessel rates, crane requirements, deck...
26/03/2026

In many subsea projects, installation drives more cost than the structure itself. Vessel rates, crane requirements, deck space and offshore handling often have a major impact on project efficiency. That is why structure weight matters.
CSUB’s GRP subsea structures can be 50–70% lighter than steel in many applications. That can mean:
🔹 Smaller cranes
🔹 More flexible vessel planning
🔹 Better deck utilisation
🔹 Simpler offshore handling
In deepwater operations, where heavy-lift vessel rates can exceed USD 200,000 per day, those differences can scale quickly. Read more 📲 https://csub.com

Today we want to shine a light on the women shaping our industry and inspiring the next generation 👩✨ Across engineering...
08/03/2026

Today we want to shine a light on the women shaping our industry and inspiring the next generation 👩✨ Across engineering, manufacturing, project management and leadership, their knowledge, experience and dedication help drive our company forward. Thank you for the expertise and perspectives you bring every day 🫶

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