Door Frame Door Type 1 Frame Type Drywall After-Set Material 16-gauge Hand LH Thermal Insulation U-Factor 0.41 Door Opening Height 80 in Door Opening Width 48 in Throat Opening Size 4-7/8 in Overall Depth 5-7/8 in Agency Compliance UL 1 1/2 Hours Fire Rating Includes Adjustable Compression Anchors 6-5/8 in 37-5/8 in 68-5/8 in 36-15/16 in