Shiffler Ultra Dog Door Security Bar for Double Outswing Door without Mullion - 5" Hook Centers

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The Ultra Dog Door Security Bar is a simple, affordable, non-electric, mechanical commercial door security barricade that works! It is the first security product that can eliminate the elephant chains and padlocks and the liability that goes with them! Solves rolling blackout security issues when used with magnetic locking devices. Adds up to 10,000 pounds of physical deterrence to your existing door and hardware in the after-hours environment.

Guarantees secondary egress to firefighters and allows immediate egress with minimum effort and no prior training. The Ultra Dog Door Security Bar has been tested and used as a layered device by the DOD and NRC. Protects against hinge cuts and lock cutting charges. Fire Marshall approved in most states.

The AD400 Series Ultra Dog is designed for double outswing glass/steel doors mullion, but with an astragal. To order the correct unit for your application, you'll need to measure the hook center distance. Perfect commercial door security latch.

General description : Ultra-Dog with 5" hook centers for a
double door unit without mullion
Weight : 7.4 lbs, ships via UPS
Warranty : Five (5) years from original purchase
Main support pieces, rods, storage hook
and mounting brackets : Steel
Block and handle supports : High impact plastic
Rod cushions : Rubber
Finish : Black
Dia : 1" Round
Length between handle brackets : 3-7/8"
Support bar (connects handle, locking rods and blocks
Tubing size : 1" square
Length between blocks : 22-3/4"
Dia : 3/8"
Length, from face of support bar to inside of 90o bend : 2-7/8"
Height of hook : 1-3/4"
Hook to hook OC : 5"
There is a rubber tip on the end of each hook
Outside dia : 1/2"
Height : 1-9/16"
Thickness of rubber : 3/64"
Height, at highest point : 4-9/16"
Length : 6-1/2"
Width : 1-1/8"
There is a bolt that runs through the center of each block,
which is used to shorten and lengthen the distance from
the front face of the block from the main support bar,
allowing the Ultra-Dot to fit a range of mullion depths.
Holding brackets - triangular shape, mount to the face of the door
Qty provided : 2 each
Material thickness : 1/8"
Height of back portion : 2-3/4"
Inside width : 1"
Inside depth : 1-1/16"
Dia of holding rod : 3/8"
Mounting holes
Qty : 2
Dia : 11/32"
Hole to hole OC : 1-7/8"
Storage J-hook
Material thickness : 5/64"
Width : 1"
Outside height : 2-1/32"
Inside depth : 1/2"
Mounting holes
Qty : 2
Dia : 13/64" (between 3/16" and 7/32")
Hole to hole OC : 1/2"
Mounting hardware (included)
- 4 Each 5/16-18 x 2-/4" Carriage bolt
- 4 Each 5/16-18 Hex nut with 1/2" drive
- 4 Each Flat washers, 7/8" OD, 13/32" ID, 5/64" thick
- 2 Each #10 x 3/4" Hex washer head thread forming screw
with 5/16" drive
Also included :
- 2 Each Self adhesive felt pads for the end of the block
3/4" wide x 4" long x 1/32" thick, black
- 'Ultra-Dog Protected' self-adhesive sign, 2-3/8" x 3-1/4" Oval
- Installation instructions and adjustment procedures,
in English, Spanish and French
Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.


We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.