OSCB Group Shot - 60, 120 Lite, 120
OSCB 120 min fire rating (Red)
OSCB 60 min fire rating (White)
OSCB 120 Lite
Rainscreen Cavity Barriers Cladding Solutions

SP Firestop OSCB

Enhanced cavity barrier for rainscreen systems.

An advanced intumescent strip fixed to high density non-combustible ROCKWOOL insulation, SP Firestop OSCB is designed to form an open-state cavity barrier within a rainscreen system. This allows ventilation and drainage under normal service conditions, while in the event of a fire the intumescent strip quickly expands outwards to seal the cavity, preventing the passage of fire and smoke.