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Seals
Bottom
of Door
DOOR
411_RL
(ADB) Automatic
Door Bottom
U.S. Patent No. 6,125,584
DOOR BOTTOM
Automatic, Non-Handed, Reversible
About Door Bottom Seals:
Pemko Door Bottom Seals consist of a variety of solutions for sealing a
door to the threshold or floor surface.
About Automatic Door Bottoms:
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.
• 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.
Product / Available Finishes:
411ARL Mill Finish Aluminum with Black Sponge Neoprene insert
Testing/Ratings:
Tools Required:
Parts Included in End Cap Kit:
PARTS INCLUDED IN END PLATE KIT:
NUMBER DESCRIPTION QUANTITY
1 Fasteners 8
2 End Cap 1
3 Plunger End Cap 1
www.pemko.com
© 2007 Pemko Manufacturing Co.
411_RL_WEBINS
Rev 1 - 07.01.07
1
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Installation Instructions:
1. Cut mortise in bottom of door.
NOTE: If a door is fire labeled or of special construction, mortise preparation must be done by the door manufacturer.
2. Cut from end opposite actuating plunger only.
3. DO NOT cut off more than two (2) inches.
4. When cutting, be sure that the drop bar is flush with the case on the plunger side and that the gasketing insert projects
at least 1/8”.
5. Cut to door width, adjust gasket so that it projects at least 1/16” at each end.
6. Adjust and trim the gasketing insert so that it projects at least 1/16” at each end of the drop bar and case.
7. With door removed from opening, install the door bottom with plunger at the hinge side, fasten with screws provided,
install door in opening.
8. On wooden jambs, install the No. 10 x 1/2” flat head screw at the point where the plunger contacts the jamb to prevent
indenting.
9. Screw the actuating plunger in or out as required until the gasketing just touches the sealing surface when the door is
closed.
10. It is not necessary to squash the gasket to provide an effective seal. Further adjustment may be necessary for uneven
sealing surfaces.
End Plate Installation Instructions:
PLEASE READ THESE INSTRUCTIONS THOROUGHLY BEFORE ATTEMPTING TO INSTALL END PLATES.
1. The automatic door bottom must be correctly installed and adjusted in accordance with the installation
instructions furnished with this product (see above).
2. Be sure that the drop bar (part that contains the seal) does not project beyond the end of the case when the
actuation plunger is depressed. If it does project beyond the case, it was improperly trimmed in the field. This
condition can be corrected by removing the unit and trimming the excess.
NOTE: Under no condition should the insert project beyond the edge of the case.
3. Install the flat end cover plate on the lock edge of the door with the fasteners provided, and in the location
shown (Figure 1).
Figure 1
www.pemko.com
© 2007 Pemko Manufacturing Co.
411_RL_WEBINS
Rev 1 - 07.01.07
2