Metallic pipes (uninsulated, steel to 324mm, copper to 54mm, Alupex to 75mm) through a concrete floor min 100mm thick. Protecta EX Mortar 50mm, backed by 50mm mineral wool. Max FRR -/180/120
System ID #: 339
Max Fire Rating: 180
Max Thermal Rating: 120
Size: Steel to 324mm diam, copper to 54mm, alupex to 75mm
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