Corofil COSB 25 Fire Barriers
PFC Corofil open state barrier COSB 25 is an Open State Cavity barrier for use in ventilated facade systems, reacting in the event of fire to help prevent the spread of fire and hot smoke. PFC Corofil Open State Barriers combine non-combustible high-density stone wool with a high expansion intumescent strip fixed to the outer face. Depending on the product ordered, it will be supplied either yellow polythene shrink wrapped or foil encapsulated.
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