Single insulated (interrupted) metallic pipe (copper up to 54mm, steel up to 219mm, alupex up to 75 diam) through a composite floor. Protecta FR Acrylic Sealant depth 15-25mm with mineral wool backing. Max aperture 300x300mm or 100mm linear gap. Zero smoke leakage up to 200Pa. Max FRR -/240/240
System ID #: 637
Max Fire Rating: 240
Max Thermal Rating: 240
Size: Copper < 54mm, Steel < 219mm, Alupex < 75mm diam
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