Double Door Frames Drywall After-Set Frames Door Type 1 Frame Type Drywall Afterset 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 5-7/8 in Agency Compliance UL 1 1/2 Hours Fire Rating For Use With 3TGA1 3TGA2 Includes Adjustable Compression Anchors 6-5/8 in 39-5/8 in 72-5/8 in 40-15/16 in