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Dr. Barrie Trower - Microwave Radiation Expert Shares His Knowledge
Dr. Barrie Trower - Microwave Radiation Expert Shares His Knowledge
G-iron Flex
Product #: SLT-1267

Protection against Magnetic Fields - G-iron Flex - Available Per Linear Foot, Per Linear Meter, or by 40 Foot Long Roll - The Rolls are 25.3 inches wide.
What is a linear Foot?
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Magnetic Field Shielding Protection

G-iron Flex is designed to block AC Magnetic Fields produced by the flow of electrical current. These fields are commonly produced by Power Lines on the street and entering your house, household appliances, electrical wiring in household walls, circuit breaker panels in the home, transformers etc.  Unlike other types of magnetic field shielding, G-iron is very flexible and does not lose its shielding properties when bent or molded to various shapes.  As a result, this product is an excellent choice for many shielding applications.  There are multiple configurations that can be used to enhance the shielding power if required.

  • Reduction of Low Frequency AC Magnetic Fields
  • Excellent Shielding Qualities, especially with high levels of Magnetic Fields
  • Flexible and easy to cut to whichever size is required
  • G-iron is laminated for protection against corrosion
  • Will maintain shielding integrity, even in damp locations.
  • Edges are VERY sharp, handle with caution!

Detect, Protect and Verify: Three Steps to Achieving Peace of Mind

Supplied with:
Desired Quantity of G-iron Flex

Standard Installation: 
  • Roll onto desired surface
  • Overlap sections by 5 cm (2 inches)
  • Attach to desired surface using screws, rivets, nails or adhesive depending on the type of surface you are working with
  • If this material is installed in wall or ceiling, at this point cover the shield with drywall and then finish as desired
  • Material is 2ft wide, length is cut to your requirements
  • For improved results, see below for additional configurations
H.E.2 & H.E.3 Configuration:

The H.E.2 and H.E.3 Installation of G-iron combines G-iron Flex with 3mm sheets of aluminum alloy for enhanced protection from Magnetic Fields.  The H.E.2 Configuration consists of one layer of G-iron Flex and one layer of aluminum.  The H.E.3 Configuration is the most effective shield of Magnetic Fields, this configuration combines 2 layers of G-iron Flex with 1 sheet of aluminum alloy to yield the best possible results.

Technical Data:

Shielding Mode:



Initial:  500    Relative:7000

Saturation Induction:

20,000,000 mG (2 Tesla)

Curie Temp:

740°C (1364 °F)

Attenuation @ 50 Hz ; 1000mG:

>35dB (98%)

Attenuation @ 1000 Hz ; 1000mG: 

>44dB (99%)

Loss due to mechanical deformation:


Width of Roll:

25.3 inches Wide (642 mm)


0.676 lbs/ft2 (3.3 kg/m2)


0.028 inches (.7 mm)

Length of Roll

40 Feet (12.2 m)
Product information and details for G-Iron Flex
Shielding Specifications for Various Configurations of G-Iron
Laboratory Testing of G-Iron shielding results.