Duct (up to 1200 x 1200mm) through a fire-rated concrete, masonry, AAC or Speedpanel wall. Protection from internal or external fire. 3M Duct Wrap 615+ single layer for duct and double layer adjacent to penetration (third layer of 150mm required for 120mins). Plasterboard or Glasroc collar with fillet of 3M Fire Barrier CP25WB sealant. FRR -/120/120
System ID #: 498
Max Fire Rating: 120 mins
Max Thermal Rating: 120 mins
Size: Up to 1200mm wide x 1200mm high
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