Protect Your Classroom During Lockdowns

The Original DoorJammer Lockdown is a heavy-duty security device to turn doors into barricades, fast. Police-accredited and used by schools across the US. Often imitated, never replicated.

Use promo code LDSAMPLE for 20% off a sample.

$49.99 (INC.TAX) Free US Shipping
Original DoorJammer Lockdown

Additional Protection at a Moments Notice

Our product is the Original DoorJammer Lockdown. Invented, designed, engineered, tested, and manufactured in-house by our team. The Original DoorJammer Lockdown is the best door barricade solution on the market.

DoorJammer Lockdown Features

Installation and storage is quick and easy - just slide DoorJammer Lockdown firmly under and against the door for increased force and access protection in case of an emergency.

DoorJammer Lockdown Features 1


Thanks to a PATENTED system of hinges and angles, force from outside the door is redirected downwards, wedging DoorJammer Lockdown firmly into the ground.

DoorJammer Lockdown Features 2

Quick to Deploy

An easy-to-use device that can be installed by anyone and immediately works on any in-swinging door, even without a lock. Security within seconds.

DoorJammer Lockdown Features 3

Police Certified

DoorJammer Lockdown is police-accredited and proven to protect from unwanted intruders. Every office and school should be equipped with DoorJammer Lockdown.

Which is right for you? DJ3 - Portable
(Home and Travel)
DJ4 - Lockdown
(Commercial Use)
Heavy Duty
For Travel
For Residential Properties
For Commercial Properties
PAS24 Impact Tested
Price $19.00 $49.99

Frequently Asked Questions

As Seen On

Best Products
Good Good
Genius Club
Viral Trend
Megyn Kelly Today
In The Know
BBC Dragons’ Den
Customer Service

DJ4 | Lockdown - Product Page