Rectangular duct penetrating a floor/ceiling system (1x16mm plasterboard ceiling). FIRESTOP Duct Wrap-38 single or double layer. Internal or external fire. Up to FRR 120/120/120.
System ID #: 285
Max Fire Rating: 120 minutes
Max Thermal Rating: 120 minutes
Size: Rectangular ducts up to 1800 x 1000mm
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