Door Frame Door Type 1 Frame Type Masonry/Stud Material 16-gauge Hand LH Thermal Insulation U-Factor 0.41 Door Opening Height 84 in Door Opening Width 48 in Throat Opening Size 4-7/8 in Overall Depth 5-1/4 in Agency Compliance UL 3 Hours Fire Rating Includes Multipurpose Stud Anchors and Masonry Wire Anchors 6-5/8 in 39-5/8 in 72-5/8 in 40-15/16 in