Security Door Door Type CE Lock Type 2100 Exit Device Material 18 Gauge Steel Hand LHR Thermal Insulation U-Factor 0.41 Door Opening Height 84 In. Door Opening Width 36 In. Window Height 26 In. Window Width 5 In. Thickness 1-3/4 In. Agency Compliance UL Listed 90 Minute Fire Rating For Use With 3KY75 3YY83 Includes Door Closer Lock Hinges 6-5/8 In. 39-5/8 In. 72-5/8 In. 40-15/16 In. Glass Not Included