Door Frame Door Type 3 Frame Type Masonry/Stud 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 5-1/4 in Agency Compliance UL 3 Hours Fire Rating Includes Multipurpose Stud Anchors and Masonry Wire Anchors 7-3/8 in 39-5/16 in 71-1/4 in 42-7/16 in