Double Door Frames Door Type 2 Frame Type Masonry/Stud Material 16-gauge steel Thermal Insulation U-Factor 0.41 Door Opening Height 84 in Door Opening Width 60 in Throat Opening Size 4-7/8 in Overall Depth 5-3/4 in Agency Compliance UL 3 Hours Fire Rating For Use With 3TGA9 3TGC1 Includes Multipurpose Stud Anchors and Masonry Wire Anchors 4-7/8 in 37-1/8 in 69-3/8 in 42-3/4 in