Product Overview Upgrade your facility with a Fire-Rated Knock Down Door & Frame Kit that combines safety, security, and quick installation. This commercial-grade door is built from galvanized steel and comes with a knock-down frame, making it perfect for both new construction and retrofit projects. This kit includes a cylindrical classroom-function lock, two heavy-duty spring hinges (4 ½ in. x 4 ½ in.), and a concealed hinge for smooth operation and a clean, professional finish. With a UL 3-hour fire rating (180 minutes), it offers reliable protection against fire spread, making it ideal for commercial, industrial, and institutional use. Designed for 4-7/8 in. wall thickness, the knock-down frame is compatible with new masonry walls, drywall partitions, or existing openings. Combination anchors are included for both masonry and drywall to ensure a secure and efficient installation. Key Features Heavy-duty galvanized steel door and knock-down frame for long-term durability Fire-rated for up to 180 minutes for reliable safety and compliance Cylindrical classroom lock included for secure access control Primed, paint-ready surface for seamless color matching Suitable for interior and exterior applications in commercial spaces Heavy-duty chrome spring hinges and concealed hinge for smooth, dependable operation Knock-down frame design allows for easy transport and quick on-site assembly 1-year warranty for added peace of mind Dimensions Actual Door Height: 79.125 / 83.125 / 95.125 in Actual Door Thickness: 1.75 in Actual Door Width: 27.75 / 29.75 / 31.75 / 35.75 / 39.75 / 41.75 in Nominal Door Frame Height: 80 / 84 / 96 in Nominal Door Frame Thickness: 2 in Nominal Door Frame Width: 28 / 30 / 32 / 36 / 40 / 42 in Product Details Bore Type: Single Bore Color/Finish: Gray (primed, ready to paint) Commercial Grade: Yes Door Configuration: Single Door Door Depth: 5.75 in Handing: Left-Handed Door Type: Commercial Door Kit Frame Material: Steel Hinge Finish: Chrome Included: Cylindrical Lock, Hardware, Installation Instructions Number of Hinges: 3 (for 80" & 84" doors) / 4 (for 96" doors)
