Our team is here to guide you, whether you’re protecting a nuclear facility, a wind farm or a city substation.

Certified protection. Built for the world’s harshest environments.
CSD Sealing Systems offers a range of advanced sealing products engineered to protect vital infrastructure from fire, water, gas, smoke and EMP. Designed for flexibility, longevity and ease of installation, our systems are trusted across sectors where safety and performance cannot be compromised.
Trusted for over 30 years
Our product range
From high-pressure pipe penetrations to complex multi-cable transits, our products deliver proven protection in power plants, data centres, marine vessels, substations, tunnels and more.
Need help selecting the right solution?

“The service provided by CSD was excellent in all aspects. The installation crew were skilled, hard-working and resourceful and also integrated well with our own men who supported then with the external duct sealing.”
Project Manager
UK Onshore Wind Farm











