Copper Pipe (up to 200mm) through a concrete or masonry wall. 3M Mouldable Putty wrapped around pipe for depth of the wall. Then fill annular space with 20mm 3M Putty both sides of wall backed with mineral wool in the centre of the wall. FRR -/120/90 using 3M Duct Wrap 615+. Max FRR -/120/90
System ID #: 503
Max Fire Rating: 120 mins
Max Thermal Rating: Up to 90 mins with Duct Wrap 615+
Size: Copper pipe up to 200mm diam
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