FIRESTOP Duct Access Hatches for circular ducts are the only hatches tested in circular ducts available in the NZ market. Unique design eliminates the need for a separate non-fire hatch. Available in standard sizes or custom-made to fit any circular duct above 300mm diameter. Max FRR 120/120/120
System ID #: 805
Max Fire Rating: 120 minutes
Max Thermal Rating: 120 minutes
Size: To fit ducts from 300mm diameter
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