EMP Gaskets for creating Faraday Cages




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A Faraday Cage is a metallic enclosure used to protect sensitive electronics.

Normally you would create a Faraday Cage by using metal tape to seal a metallic box against an EMP or CME.  However this tape can’t easily be reused.

Instead, use these metallic gaskets for easy and repeatable access into your Faraday Cage.


Trash Can Faraday Cage – one pair of 6x2x1000mm gaskets

Choose a metal trash can by placing it’s lid on, then attempting to lift the whole trash can only by the lids handle.  If you can lift this, then the lid is tight enough.

Line the inside of the trash can with cardboard or other electrical insulation.

Cut and adhere the pair of EMP gaskets to the inside of the trash can lid.  This will create a conductive seal when the lid is placed on the trash can body.

Small Ammo Can Faraday Cage – one 5x4x1000mm gasket

Find a small ammo can that is in good shape and no holes or gashes.

Line the inside of the ammo can with cardboard or other electrical insulation.

Remove the ammo can’s waterproof gasket.   Use this gasket to measure and cut the EMP gasket to size.

Remove the EMP gasket backing and then adhere the EMP gasket pieces to the top lip of the ammo can body where the lid seals.  Close the lid and use the locking mechanism to seal the lid shut.

Gasket Specifications

  • Shielding effectiveness at 1 GHz = 86 dB
  • Shielding effectiveness at 100 MHz = 80 dB
  • Gasket is not waterproof


For more information see Dr. Arthur Bradley and his work on testing EMP products.  I highly recommend his website and YouTube videos.



Dimensions N/A
Gasket Version

Trash Can Kit, Large Ammo Can Kit, Small Ammo Can Kit


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