Cables (multiple, with or without cable tray) through a concrete floor (min 120mm). 3M IC 15WB+ sealant to 40mm deep at top of floor only, backed by 80mm mineral wool. Annular space 25-60mm. Thermal up to 120 available using 3M Fire Barrier Duct Wrap 615+.
Fire rating: 180
Thermal rating: Up to 120 with Duct Wrap 615+
Size: See info sheet D1 & D2 Cables & Trays
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