Csub

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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. CSUB 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.

A more sustainable future depends on solutions that perform over time ♻️ Composite materials offer long service life, re...
23/09/2026

A more sustainable future depends on solutions that perform over time ♻️ Composite materials offer long service life, reliable performance and low maintenance needs, making them a durable choice in demanding environments ⚙️ Talk to us about your next project: https://csub.com/contact/

H₂S is one of the most demanding corrosion challenges in oil and gas 🚩 In sour-service conditions, metallic systems can ...
16/09/2026

H₂S is one of the most demanding corrosion challenges in oil and gas 🚩 In sour-service conditions, metallic systems can face cracking, degradation and reduced long-term reliability. That is why material choice is especially important in demanding offshore environments. Because composite materials do not corrode, they offer a reliable alternative where long service life and low maintenance matter. Learn more about GRP here 👉 https://csub.com/grp/

The CSUB team is heading to SPT 2026! 👋 Karsten W. Johannesen, Sebastian Dobler Hamre, Carl-Petter Halvorsen and Torbjør...
11/09/2026

The CSUB team is heading to SPT 2026! 👋 Karsten W. Johannesen, Sebastian Dobler Hamre, Carl-Petter Halvorsen and Torbjørn Rokstad will be joining industry experts in the UK to share knowledge and discuss current subsea challenges. We look forward to seeing you there!

Our vision is to keep pushing the boundaries of what is possible with composite materials 🌍 Through continuous innovatio...
10/09/2026

Our vision is to keep pushing the boundaries of what is possible with composite materials 🌍 Through continuous innovation, strong quality standards and a clear focus on sustainable solutions, we work to meet the changing needs of our clients and help build a more sustainable future ♻️

Every raw material is inspected on receipt, with full traceability maintained throughout production 📋Combined with conti...
26/08/2026

Every raw material is inspected on receipt, with full traceability maintained throughout production 📋
Combined with continuous monitoring and thorough inspection, this supports composite solutions built for subsea performance and reliability 🤝

Free spans caused by seabed scouring can compromise pipeline stability ⚠️We correct these challenges after installation ...
19/08/2026

Free spans caused by seabed scouring can compromise pipeline stability ⚠️
We correct these challenges after installation with engineered support structures and ROV-deployed systems that adapt to different seabed conditions and pipeline configurations.
👉 Learn more about our subsea solutions: https://csub.com/pipeline-freespan-correction/

Lower offshore installation cost ⚓️ CSUB’s certified GRP subsea structures are 50–70% lighter than steel, reducing vesse...
05/08/2026

Lower offshore installation cost ⚓️ CSUB’s certified GRP subsea structures are 50–70% lighter than steel, reducing vessel requirements and lifecycle risk. With 500+ deliveries worldwide, the solution is well proven in offshore operations 🌍

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Skytebanen 14
Arendal
4841

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