Single insulated (interrupted) metallic pipe (copper up to 54mm, steel up to 219mm diam) through a concrete floor min 60mm thick. Protecta FR Acrylic Sealant depth 15-25mm one side only or anywhere inbetween. Max FRR -/240/180
System ID #: 125
Max Fire Rating: 240
Max Thermal Rating: 180
Size: Copper < 54mm, steel < 219mm diam
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