3M Fire Sealant System CAJ5210 Insulated Pipe Firestopping System
9" steel, 8" cast iron, 4" copper tube, 4" copper pipe. Max diam of opening 14" except for max 7" in hollow core. Optional max 14" Schedule 10 steel sleeve. Max 2" glass fiber insulation. Concentric or eccentric installation. Min 1/2" to max 1" annular. Mineral wool required. 1-1/2 & 2 hour F Rating.