Duct (up to 1250 x 1000mm) through a fire-rated plasterboard or concrete wall. Protection from internal fire (up to 120mins) or external fire (up to 180mins). 3M Duct Wrap 615+ single layer for duct and double layer adjacent to penetration. Plasterboard collar with fillet of 3M Fire Barrier CP25WB sealant.
System ID #: 230
Max Fire Rating: 180
Max Thermal Rating: Up to 180
Size: Up to 1250mm wide x 1000mm high
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