Extended cavity fire barrier performance
within rainscreen façades.
Responding to changing market requirements, AIM has developed a range of four OSCBs which
provide up to 120 minutes integrity and insulation in the event of a fire.
OSCBs are a polythene sleeved ROCKWOOL® stone wool and intumescent material designed for use within open
state cavities (e.g. Rainscreen systems), allowing ventilation and drainage of the cavity under service conditions
while providing up to 120 minutes insulation and integrity performance