The choice of anchor depends on the frame assembly and wall conditions. Welded frames offer an excellent anchor compared to knockdown frames. In addition to the floor anchor, welded frames also generally include three anchors per jamb. Knockdown frames have only one or two anchors per jamb, which may compromise the durability and security of the opening.
Head/top of mullion assembly detail. 90-minute fire-rated (positive pressure; UL 10C)
Bottom of mullion assembly detail. 90-minute fire-rated (positive pressure; UL 10C)
Hardware reinforcement options
*12-gauge equivalent, as per ANSI A250.6 section 1.3.1 on equivalent treads rendered in a lighter gauge with pierced and dimpled hole.
Specialized frame designed to significantly reduce condensation or frost on the interior of the frame in cold weather conditions.
Specialized frame option designed to prevent the build-up of germs and bacteria at floor level. It allows for easier floor cleaning in health care settings.