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We produce Faraday cages, shielded chambers and other shielding components like:
In addition we produce, TEMPEST equipment for crypto communication and even welded EMP bunkers. We have a large standard range in stock and we can deliver to the cage building industry in mere days. We also design items according to the client’s wishes, within very short delivery times.
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Wall covering system (Mu-copper)
Mu-Copper foil has high attenuation properties in the electrical field (up to 120 dB) as well as in the magnetic field (see shielding performance table).
It is easy to apply, like wallpaper, thanks to its special adhesive for walls, ceilings and floors. The interior finish can be plaster board, foam tiles or plywood.
The 0.12 mm thick Mu-Copper is used to transform regular rooms into shielded rooms; it has excellent shielding performance even at low frequencies. The system is easy to mount on shielded doors with clamping devices. The standard width of Mu-Copper is 1000 mm and the foil can be delivered on rolls or ready-made sheets.
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Overlap options
For the joints you can use a 50 mm overlap. For extra high performance you can fully solder the joint or use a seaming /copper tape with a conductive self-adhesive to apply over the joints.

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Advantages
- Cost-effective / takes up little space
- Light weight / high floor load
- Can be constructed with local labor
- Standard interior finish possible like plasterboard
- Can be delivered with 10 year guarantee
- Maintenance free
- Delivery with turnkey measurement report
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Shielding performance
 Basic values for the material and Mu-copper cage
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| Field |
Frequency |
Mu-copper |
| H |
1 kHz |
22 dB |
| H |
10 kHz |
33 dB |
| H |
200 kHz |
68 dB |
| E |
10 kHz |
99 dB |
| E |
200 kHz |
127 dB |
| E |
1 MHz |
125 dB |
| E |
18 MHz |
101 dB |
| P |
400 MHz |
120 dB |
| P |
1 GHz |
110 dB |
| P |
10 GHz |
120 dB |
| Shielding performance of mu-copper foil 0.12 mm thick |
Measurements according to MIL STD 285 and the following situation:
- Mu-copper foil 0.12 mm thick fully soldered
- Dimensions 10 x 6 x 4 m
- 1 Door 0.9 x 2.1 m
- 2 Ventilation panels
- 4 Power filters
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You can create a Faraday cage with high shielding performance yourself in an economic way, using local labor. This is possible in existing buildings as well as in new ones, without loss of space. Depending on the quality of the doors, vent panels, filters and/or windows used, attenuation levels up to 80-100 dB in the E-field can be realized. When more layers are applied, it is possible to achieve over 120 dB.
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Ventilation
For ventilation we have developed honeycomb ventilation panels. Special for the mu copper faraday cages we can deliver honeycomb vent panels with a mu copper flap arround. Can be easily soldered into the mu copper faracay cage.
For other honeycomb ventilation panels see our honeycomb ventilation webpage.
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Ceiling
The system can be used with a detachable or fixed ceiling to separate existing ducts and cables from the shielded room.

Detachable ceiling construction

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Applications
- Server rooms
- EMC test rooms
- Computer rooms
- Medical examination rooms
- MRI, EEG, EMG & EVP
- Rooms for physiotherapy
- Radar protection/Airport
- TEMPEST Sites
- Military EMC protection
- Board room shielding
- Industrial espionage/ Secure room
- Buildings for intelligence agencies
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 Server rooms
 MRI rooms
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Modified RF Shielded Door
When a lower performance 40-60 dB is acceptable we can retrofit your existing door. The doors will be equipped with gaskets on top and sides, while the bottom is provided with a conductive copper brush and doorstep.
Modification is possible for both swing and sliding doors.
For heavy duty applications we deliver faraday cage doors up to 140 dB reduction.
For more information see our faraday cage doors webpage
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 Shielding sliding door
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Components
In addition to EM shielded doors and windows, the screened rooms can be equipped with the following components:
When necessary we also offer shielding solutions for water pipes, medical gases and ventilation.
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Example pictures
| Click to enlarge image |
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| Project: University Amsterdam test labaratory |
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| Project: Animal hospital Belgium, Horse MRI room |
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