Frame components are pre-assembled and connect to the header rail to secure the assembly together. Integrated slide-locks simplify door installation onto the frame. A factory-installed full perimeter compression gaskets seals the door frame and minimizes air leakage. Ergonomic angled handles reduce pinch points. Clear and multiwall panel options are available. The multiwall panel adheres to NFPA 75 & 76 flame spread and smoke development requirements.