Cavity barriers for cladding

Siderise RH & RV (Cavity barrier) systems are a proven means to protect the cavities behind cladding against the spread of fire and smoke.


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Cladding systems are often referred to as rainscreens or ventilated facades. The Siderise RH open state Horizontal cavity barriers allow drainage and ventilation whilst utilising intumescent material to seal in the advent of fire. The RV vertical cavity barriers complete the fire stopping SYSTEM.

The fast, clean and easy systems exceed the requirements of NCC and allow proven world’s best protection against fire for new buildings and recladding of buildings alike.

Key Features

  • Allows continuous ventilation and drainage behind external envelope
  • Products tested in isolation and in large-scale system tests
  • Reactive intumescent has rapid seal closure properties
  • Horizontal barriers can incorporate up to 50mm continuous ventilated air space
  • Vertical barriers accommodate cladding serviceability movement

Installation Video

Get In Touch

Contact the Trafalgar Fire Customer Service team for further information or fill in the message form to obtain a quote.

1800 888 714 

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