Steel, copper or ferrous pipes through a concrete wall. 3M CP 25WB+ sealant to 25mm to both sides of wall with 100mm mineral wool backing. Thermal of 120 available using 3M E-5A-4 Endothermic Mat.
System ID #: 293
Max Fire Rating: 240
Max Thermal Rating: 30, or 120 with E-5A mat
Size: Copper, ferrous up to 15mm, Steel up to 114mm
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