Pemko Automatic Door Bottoms consist of an aluminum case which surrounds a movable drop bar seal. The drop bar seal is actuated by a plunger which contacts the jamb as the door is closing, forcing the drop bar seal down against the floor or threshold. Automatic Door bottoms
are frequently used when an automatic door bottom is required to close over carpet.
• Low closing force.
• Provide excellent seals to keep out draft, dust, moisture, insects, fumes, light and sound.
• End plates provided for all mounting applications.
• Slotted holes for adjustment.
Testing/Ratings:
Gasketing material for fire doors intended for aplication to listed steel frames and/or classified steel covered composite type, and hollow metal type fire doors rated up to 3 hours; wood and plastic covered composite type fire doors rated up to 1-1/2 hours; and wood core type fire doors rated up to 20 minutes.
