We’re more than a product provider – we’re your complete technical partner:

Trusted sealing at sea
Marine and offshore environments demand sealing solutions that can withstand extreme conditions such as saltwater, vibration, high pressures, and fire risk. CSD Sealing Systems has delivered certified cable and pipe penetration seals for over 3,000 naval fleet projects, as well as offshore oil and gas platforms and commercial vessels worldwide.
Applications in Marine & Offshore
Our systems provide watertight, gastight, fireproof and EMP-resistant barriers that protect critical operations both above and below deck.
Why choose CSD for Marine & Offshore?
- Proven across the UK’s naval fleet
- Certified protection against fire, water, gas, smoke and EMP
- 50+ year service life, maintenance-free
- Flexible, re-enterable systems for future upgrades

“CSD’s team are very focused in their approach to provide a high-quality product and service. We are looking forward to working with them in the future.”
Senior Electrical Design Engineer
Thames Water





