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The Sleeve²
The Sleeve²
The Sleeve²
The Sleeve²

The Sleeve²

Regular price
Sale price

  • Deploys quickly and easily
  • Tested to withstand over 550 lbs. of external force
  • Laser-cut out of solid 12 gauge carbon steel (.104” thick)
  • Finite Element Analysis (FEA) tested
  • Industrial-strength rubber pads
  • Proudly manufactured in the USA
  • Patented design and function
Every Sleeve now includes:
  • Hanging bracket
  • Mounting hardware


Measuring The Sleeve²

The Sleeve2 is offered in twelve (12) sizes. It is designed to accommodate both surface mounted regular arm top jamb mounted and parallel arm door closers. These are the most common type of closers found on outward opening or push side doors.

Available sizes: 2.25”, 2.5”, 2.75”, 3”, 3.25”, 3.5”, 3.75”, 4”, 4.25”, 4.5”, 4.75” and 5 inches.

STEP 1: Locate your door closer

Door closers are located on the upper corner, hinged side of an outward opening door (the “push side” of the door).

STEP 2: Measure your closer


With the door closed, measure the distance between points A & B as illustrated below. Measure from the door side of the arm (point A) near the bend (or within 1⁄2 inch of bend) to the room side of the second arm (point B), or any other obstruction that would impede the Sleeve from sitting properly. This measurement should be taken perpendicular to the door.

For the most accurate measurement possible, make sure your tape measure is perpendicular to the door when you take this measurement.

**On this measurement we recommend that if you are between two measurements (ex. 3 1/4” or 3 1/2” choose the 3 1/4” ) choose the smaller measurement.

STEP 3: Select your Sleeve²

With the dimension obtained in Step 2 above, round down to the nearest 1⁄4 inch to determine the proper size of The Sleeve2 required for that door. You’re DONE!

E.g., measuring perpendicular to the door between the arms you obtain a measurement of 4-3/16 inches. Therefore, rounding down to nearest 1⁄4 inch you would select The Sleeve2 – 4.25 Inches.

*Note: the angle of closer arms even if they appear to all be common in a facility could vary due to substituted brands, installation or age. Before assuming all doors in a facility are common, you should always double check.

Deploying The Sleeve2

Recommended Deployment Practices 

  • The Sleeve can ONLY be used during active shooter situations, otherwise it is a violation of fire code.
  • The Sleeve should be secured and only accessible to trained and authorized individuals.
  • The Sleeve should never be used as a door locking device other than during an active shooter event.
  • The Sleeve should be removed from the door and secured as soon as the emergency event is over and an all clear order has been given, in accordance with emergency response procedures.

Sleeve FAQ

Does Purchasing or Storing The Sleeve Violate Fire Code?

The sleeve is not a permanently mounted deadbolt, so the purchase or presence of The Sleeve is not a fire code violation. Deploying the device onto a door closer is a fire code violation, which is why it must only be deployed during life threatening active shooter/violent intruder situations.

Do we need to make any installations or modifications to the door or any other parts of a buildings structure?

No, The Sleeve is a cover that slides over the arm of a door closer. Most doors – especially those that are in compliance with the Americans With Disabilities Act or are rated as “fire barriers” – will have an existing door closer. Because the product exists independently of the door and any of its hardware, no modifications are needed to the door or structure. That means no drilling, cutting, or installation of new hardware. In the case of doors rated as fire barriers, modifications are illegal.

How durable is The Sleeve?

The Sleeve is made of solid, 12 gauge carbon steel (.104″ thick) that is folded to your specifications. The Sleeve is capable of withstanding more than 550 pounds of external force.

Can The Sleeve be removed quickly if an evacuation is necessary?

Yes, an advantage of The Sleeve is that it can be applied or removed in seconds.

Where should we store The Sleeve?

How prominently The Sleeve is displayed in your room will be up to your district or building. The Sleeve can be magnetically secured to a metal door or door frame, or it can be hidden near the door. It’s up to you.

Can I secure the door with The Sleeve if my door is unlocked?

Absolutely, as long as your door has a closer on the inside face. A benefit The Sleeve provides is that the door can be secured by anyone (substitute, building aide, or student), not just a person with a key to the door. Additionally, because the door is secured from the inside, the teacher does not have to risk being in the hallway during an active shooter situation.

How long can I expect to receive my order?

Please allow 3-4 weeks as each sleeve is made to your custom measurements.

Why do you emphasize the importance of accurately measuring for your sleeve?

The more accurate you are in gathering the requested measurements, the better The Sleeve will secure your door.

Could a student lock a teacher out of the classroom?

Unfortunately, there is always potential for misuse. However, educating students and staff on the appropriate use of The Sleeve will be the best way to eliminate misuse. Educating students and staff on how to use The Sleeve is as important as educating students on how to appropriately use fire alarms, fire extinguishers, and deadbolt locks.

Are all door closer arms the same?

No, door closers can be mounted and adjusted in several different ways. This is why we have created a simple three step process to find the correct measurements to fit your needs.

Will The Sleeve work on doors without door closers?

No, it will not.

For questions regarding fire code,
please contact us at (888)559-6412 for assistance.