Double Door Frames Door Type 3 Frame Type Drywall Afterset Material 16-gauge steel Thermal Insulation U-Factor 0.41 Door Opening Height 80 in Door Opening Width 96 in Throat Opening Size 4-7/8 in Overall Depth 5-7/8 in Agency Compliance UL 1 1/2 Hours Fire Rating For Use With 3TGF3 3TGF4 Includes Adjustable Compression Anchors 7-3/8 in 37-5/16 in 67-1/4 in 38-7/16 in