Siderise RH Horizontal Fire Barriers

Siderise RH ‘Open State’ barriers provide up to 120 minutes fire integrity. The system incorporates a continuous bonded intumescent strip to the leading edge and encapsulated in a weather-resistant polymer film. In the event of exposure to fire, this expands and fully seals the designed ventilation gap formed at the time of installation between the barrier and the rear of the cladding, in compliance with CWCT (Centre for Window and Cladding Technology) and NHBC (National House-Building Council) guidance for air gaps up to 50mm. Siderise RH is available for cavities up to 25mm – RH25(G/S) and 50mm – RH50(G/S). RH25 is suitable for use in cavities up to 425mm wide and RH50 for cavities up to 3000mm wide. The systems are tested to Association for Specialist Fire Protection (ASFP) ‘Fire Resistance Test of Open State Cavity Barriers’ utilising BS EN 1363-1 and Principles of BS EN 1366-4.

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