Security Door Door Type CU Lock Type 7150 Exit Device Material 18 Gauge Steel Hand RHR Thermal Insulation U-Factor 0.41 Door Opening Height 80 in Door Opening Width 36 in Thickness 1-3/4 in Agency Compliance UL Listed 3 Hours Fire Rating For Use With 1PHU7 1PHV6 Includes Door Closer Lock Hinges 4-7/8 in 35-1/8 in 65-3/8 in 38-3/4 in