Frequently asked questions

It is a flexible copper and nickel conductive fabric from Mission Darkness™ that blocks wireless signals. It is lab certified to military standards MIL-STD-188-125 and IEEE 299-2006, and it cuts, sews, and tapes like ordinary fabric.

People use it to build DIY Faraday cages and bags, line shielded rooms and closets, cover tent frames, shield large or oddly shaped electronics, and reduce EMF exposure at home. For most projects you will combine it with TitanRF Faraday Tape to join sheets and seal seams, and TitanRF Faraday Patches to close small openings.

Cut the fabric to fit, then fully enclose the device so there are no gaps. Connect separate sheets with Faraday Tape, overlapping the edges, and seal any holes or penetrations with Faraday Patches. Two or more layers are recommended for full shielding.

The key principle is total coverage: any unsealed seam, gap, or protruding cable will let signal in or out. Watch the DIY video series on the Faraday Supplies page for step-by-step builds, and always test your finished enclosure before relying on it.

Most builds start with three core materials, then add supplies as the project needs:

• Fabric is the shielding surface that surrounds the device or wall.
• Tape joins multiple fabric sheets and seals seams so they stay conductive across the join.
• Patches close small holes, penetrations, and high-wear spots.

A shielded join is only as good as its seal, so do not skip the tape and patches on a build that needs full attenuation. Depending on the project, you may also add shielded vents, windows, filters, foam gaskets, gloves, or TactiFrame™ structure poles for room-scale builds.

WiFi (2.4 and 5GHz), Bluetooth, cell signals including 5G, GPS, RFID, NFC, and radio, across a wide range from low MHz up to 40GHz. Effective shielding depends on the device being fully and continuously enclosed.

Yes, layering matters. A single layer of TitanRF Faraday Fabric provides roughly 65 dB of attenuation. Two layers can reach roughly 80 to 100 dB.

For full RF shielding we recommend two or more layers, with the fabric touching at all seams. More layers and well-sealed joins give you more margin against leakage.

It is a copper and nickel conductive fabric. It is certified to MIL-STD-188-125 and IEEE 299-2006, with shielding effectiveness testing completed by Keystone Compliance, an accredited regulatory compliance laboratory. These certifications confirm the material shields against high-altitude electromagnetic pulses (HEMPs) and related events.

The fabric is certified to MIL-STD-188-125, the standard used to evaluate protection against high-altitude electromagnetic pulses, so the material itself is rated for HEMP shielding. As with any signal, EMP protection depends on a complete, sealed enclosure around whatever you are protecting. A gap or unsealed seam reduces effectiveness.

No. Mylar typically tops out around 20 dB of attenuation. TitanRF Faraday Fabric provides roughly 65 dB at a single layer and roughly 80 to 100 dB when doubled, which is a large difference in real shielding performance.

All TitanRF fabrics share the same goal of high RF attenuation, but each is tuned for a different need:

• Flex is more pliable for tight or contoured shapes.
• Flame Retardant adds PyroBlock technology for high-risk fire environments.
• TerraDefend is a copper-colored fabric that also serves as a root barrier.
• Shadow has a black coating on one side for discreet, low-reflection use.
• Translucent lets you see through it, ideal for enclosure windows.
• TechWeave and TechFusion blend polyester with copper and nickel for woven and non-woven options.

TerraDefend

Shadow

Translucent

Flame Retardant

Flex

TechWeave

The standard fabric is the most common choice for general DIY builds. Compare specs on each product page, or contact us for a recommendation tailored to your project.

Use multiple layers of fabric on all walls and make sure the fabric touches on every side and seam. Seal holes with Faraday Patches and connect adjacent sheets with Faraday Tape so the conductive surface stays continuous.

Treat the room as a single sealed envelope. Doors, vents, windows, and cable pass-throughs are the usual weak points, so plan how each will be shielded before you start.

Yes. We recommend conductive thread, and covering any needle holes and seams afterward with TitanRF Faraday Tape to prevent performance loss at the stitch line.

When applying fabric to walls, you can use a standard construction adhesive on the first layer only to tack it in place. Do not use adhesive in excess and do not apply it on seams.

The second layer should have no adhesive. Overlap the fabric layers by about one inch and seal the seams with TitanRF Faraday Tape.

Grounding is not required for basic signal isolation, an enclosed conductive surface blocks RF on its own. Grounding mainly helps in applications focused on electrostatic discharge (ESD) or certain EMI management goals. If your project calls for grounding, contact us and we can point you to the right setup.

Only if the device is entirely enclosed and sealed, and at that point it will no longer function, because the signal cannot get out either. Any power cable or ethernet line protruding from the cover breaks the seal and defeats the shielding. A slipcover is best thought of as an on or off enclosure, not a partial dampener.

Customers do this with positive results. Keep in mind that 100 percent blocking is difficult because the meter usually cannot be fully covered (it stays mounted to the wall), so expect a meaningful reduction rather than complete isolation.

Yes, a layer of fabric can help reduce EMF reaching your body. Because the fabric contains nickel, avoid direct, prolonged skin contact if you have a nickel allergy, and keep a barrier layer between the fabric and your skin.

No. The fabric shields radio frequency signals, not X-ray. Blocking X-ray requires dense, thick metal shielding, which is a different material entirely.

We do not recommend machine washing. If it needs cleaning, dampen a rag and lightly wipe the surface. Avoid soaking, scrubbing, or harsh detergents, which can degrade the conductive coating.

TitanRF fabrics are made to resist corrosion and tarnish for long-lasting performance. Like any conductive textile, the shielding depends on the coating staying intact, so handle it gently and avoid heavy abrasion, sharp creasing, and repeated flexing at the same spot. If a heavily used area starts to wear, reinforce it with a Faraday Patch or replace that section.

There are a few practical ways to verify a build:

• Use a signal analyzer or RF meter for a measured reading.
• Use a signal-testing app to compare readings inside and outside the enclosure.
• Place a powered device inside, seal it, and try to call or text it, plus check WiFi and Bluetooth connectivity.

If the device still receives signal, you have a leak. Reinforce the seams, seal any holes, and add another layer, then test again.

Because TitanRF fabrics are made with metals such as copper and nickel, they are conductive and also flammable. Keep them away from outlets, plugs, cables, and any source of electricity to reduce the chance of fire.

California Proposition 65 Warning: this product contains chemicals known to the state of California to cause cancer and birth defects or other reproductive harm. Contact us with any questions or concerns about your project.

The fabric is 44 in wide and sold by the yard, shipped rolled in a tube. Custom lengths and full rolls are available. Contact us for pricing and to discuss the right amount for your build.

Yes. The TitanRF Faraday Fabric Panel is a large pre-connected sheet made from multiple fabric widths taped together, which saves you from joining sheets by hand for wall coverings and extra-large enclosures. Contact us if you need a custom panel size.

View the Faraday Fabric Panel →