Firestop Pipe Collar Collar Body Diameter 5.5 in Fire Rating 2 hr For Pipe Size 4 in For Use On Common Construction Surfaces Includes Mounting Hardware No Usage Location Floor Penetrations Wall Penetrations Body Material Steel Body Material Finish Galvanized Color Silver Expansion Temperature 320 Degrees F Expansion Volume 32X to 64X For Material Type ABS CPVC FRP FRPP HDPE PE PP PVC ABS/PVC Foam Core PVDF RNC Intumescent Yes Maximum Service Temperature 120 Degrees F