Specialty Doors + Automation automatic door bottoms consist of an aluminum case which surrounds a moveable drop seal.  The drop seal is actuated by a plunger which contacts the jamb as the door is closing, forcing the drop seal down against the floor or threshold.

Key Features and Benefits:

• When the plunger contacts the jamb, the drop seal actuates from the hinge side first allowing multiple compression points
• End plates are provided for all mounting applications
• Available in sizes ranging from 18" to 72"