ROCKWOOL Multi-Cable Firestop has been developed to effectively seal cable bunches in electrical trunking and cable trays, where they pass through fire rated walls and floors.
Multi-Cable Firestop is a compressible fire retardant foam which is laminated both sides with a graphite based intumescent polymer. Multi-Cable Firestop is supplied in sections measuring 60mm wide x 30mm thick x 1000mm long.