EMF shielding fabric is the raw material behind almost everything else we sell: conductive fabrics woven with silver or copper that you can buy by the length and turn into curtains, canopy repairs, lined clothing or any shielding project you can sew. The range runs from BlocCopper at $32.99 through BlocWiFi material at $39.99 up to Swiss Shield Ultima at $189.99 and FlexiBloc clothing fabric at $299.99, with a fabric samples pack at $29.99 so you can test before committing.
A normal textile base, cotton or polyester, with fine conductive threads of silver or copper woven through it in a tight, continuous grid. The metal is the shield: it intercepts radio frequency signals and, when grounded, electric fields, and the EMF level on the far side of the fabric drops. Silver brings antimicrobial properties and survives washing well, which is why it dominates fabrics for wearables worn on the body, while copper offers strong performance per dollar for fixed installations like curtains and wall hangings.
Yes, measurably. Each product page here states what the fabric is designed to shield and the tested performance of the weave, and you can confirm the effect at home in a minute: wrap your phone in a couple of layers and watch the signal bars fall as the shield does its job. Quality varies enormously across the market, so buy fabrics with published test data, and be skeptical of bargain rolls with no numbers behind them. The samples pack at $29.99 exists exactly so you can prove the EMF protection to yourself before buying meters of anything.
We stock everything from budget copper to premium Swiss Shield, so match the fabrics to the project. BlocSilver at $179.99 is the flagship: a 150cm-wide silver fabric designed for 5G-era EMF radiation protection, ideal for curtains and canopy work. BlocCopper at $32.99 is the budget shield for fixed installations, BlocWiFi at $39.99 targets router-frequency projects, and BlocCotton at $139.99 gives you a natural cotton feel. For clothing, FlexiBloc at $299.99 is cut for garments that sit close to the body, and the Swiss Shield options, Naturell at $164.99 and Ultima at $189.99, are the premium woven names the whole industry knows. Every product lists its width, so check dimensions against your project before you order.
Fabrics woven with conductive metal, almost always silver or copper. The metal fibers form a flexible barrier that behaves like the shielding around sensitive electronics: electromagnetic fields weaken sharply on the far side of it. The science is straightforward; the craft is keeping that barrier intact in a garment that stretches, folds and goes through the wash, which is where fabric quality and construction earn their price.
Some yes, some no. Get in touch if you are unsure.
Curtains are the classic project, a shield for windows facing a mast or a neighbor’s router. Beyond that: bed canopy repairs and extensions, lined pockets and panels in clothing, pouches for devices, covers for smart meters, room dividers, and grounding-connected wall panels. The fabrics sew like normal textiles, so anyone comfortable with a sewing machine can build custom EMF protection for a fraction of the finished-product price. If you are unsure which fabric suits the project on your body or in your home, start with the samples pack and test the fabrics side by side.