Metal pipe (interrupted or continuous insulation, copper to 54mm, steel to 325mm, Alupex to 75mm) through a concrete wall min 75mm thick. Protecta FR Board 60mm 2-sided to one side of wall only. Smoke-safe (<0.1m3/h smoke leakage at 200Pa). Max FRR -/240/120
System ID #: 178
Max Fire Rating: 240
Max Thermal Rating: 120
Size: Copper to 54mm, Steel to 325mm, Alupex to 75mm
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