11/16"
WARNING: Do not pull drop bar out of case unless disengaged from spring or damage will
2-3/32"
occur and void warranty.
1. IF NYLON BRUSH GASKET: Slide brush clear when cutting case and drop bar.
2. For single doors cut door bottom 1/8" shorter than distance between stops on frame. For
7/8" Max Drop
pairs cut 1/16" shorter than distance between stop on frame and meeting edge of door.
Do not cut from end with adjusting rod. Do not cut until drop bar is extended in down
position. Insert the (2) nails provided into the small holes located on the side of the drop bar to keep drop bar
extended while cutting. MAXIMUM CUT door bottoms 36" and longer = 4", shorter than 36" should not be
field cut, order net length.
3. IF NYLON BRUSH GASKET: Cut brush using the cutting section of pliers or diagonal cutters. If bristles are
not secure, use a drop of adhesive to secure the brush.
4. With door closed, position on push side of door with adjusting rod toward hinged edge. Align bottom of case
flush with bottom of door and 1/16" clearance at each end, mark screw holes.
5. Drill pilot holes for screws using 9/64" drill bit.
6. Install with screws provided. Do not over tighten.
7. Set adusting rod for proper seal. To reduce drop, turn adjusting rod right, to increase drop, turn adjusting rod
left. Once hinge end of drop bar makes solid contact, other end will drop. MAXIMUM DROP = 7/8"
National Guard Products Inc.
Automatic Door Bottom
WARNING: Neoprene products can expose you to chemicals including
chloroprene, which is known to the State of California to cause cancer.
For more information, go to www.P65Warnings.ca.gov.
222
Installation Instructions
1-800-647-7874