After the many hangers are set up, location the insulation about the hangers by sliding it on to the hooks or prongs. Mini-Cupped Weld Pins: These insulation pins essentially weld towards the sheet metal duct and The top on the pin holds the insulation in position. A pin welder device https://edgarjxyeh.thenerdsblog.com/35524223/not-known-details-about-insulation-hanger