Extended cavity fire barrier performance within rainscreen facades.
Polythene sleeved, ROCKWOOL® stone wool fire barrier faced with high performance intumescent material designed for use within open state cavities (e.g. rainscreen systems), allowing ventilation and drainage of the cavity under service conditions.
Open state cavity barriers provide an effective fire barrier for ventilated voids up to 425 mm in depth. OSCB 120/44 delivers a fire rating of up to 120-minutes insulation and integrity with an air space of 44 mm.
Features and benefits:
P12/360 Mineral wool rigid batts
P12/40 Mineral wool rigid batts
OSCB 120/44 (Open State Cavity Barrier)
Galvanized steel fixing clips
Galvanized course wound screws
Stainless steel fixing clips
Stainless steel course wound screws
AIM polythene sleeved wall cavity barrier
For vertical compartmentalisation.
Standard product features
Total cavity size less 25 mm.