The CSD Cable Duct Sealing System is a

re-enterable multi-cable and fibre optic transit sealing system providing proven lifetime performance.


The cost effective guaranteed solution to all gas and water tight sealing requirements ensuring asset protection in high risk environments.

CSD insert sleeves, used to separate multi cables and form a backing, and a high quality silicone based fire and water-repellent sealant layer.​

  • High levels of gas and water tightness.

  • Seals ducts when there is running water.

  • No frame required and can seal irregular shaped openings.

  • Resistant against water, alkaline and other chemical agents.

  • Resistant to hydrogen sulphide / methane and many other gases (NedLab)

  • Non corrosive.

  • Shock absorbing.

  • Non toxic, neutral and almost odourless.

  • Complies with ATEX regulations

  • WIMES Compliant, (3.02 clause, d & e)

  • Seals all known materials, including PVC & PE sheathed cables, PILC & PE pipes.

  • Suitable for renovations, can be installed retrospectively.

  • Provides 50 years’ protection with no maintenance