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.

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