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V-ROD Fiberglass REBAR V•ROD composite rebars have been manufactured by Pultrall since 1987. Distributed worldwide, this product is a true revolution in the construction industry. When it comes to saving time and money, V•ROD is the solution.
V•ROD is a registered trademark of Pultrall.

V-ROD Composite Rebars

Wacker Neuson

Offering customers across the globe a broad portfolio of construction equipment, spare parts and related services, Wacker Neuson has been known for reliability and innovation since the company’s inception in 1848.

Wacker Neuson Products

MultiQuip Whiteman

Multiquip, a diverse manufacturer and supplier of world class quality industrial products and solutions, is an established and proven company, well positioned for steady, long-term growth and committed to investing and maintaining high quality, reliable products.

MultiQuip Whiteman Products


CHEMICALS AND WATERPROOFINGGrouts, Cures, Sealing Compounds, Form Release, Admixtures, Hardeners & Grout, Membrane Waterproofing, Restoration Products, Moisture & Vapor Protection.

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Decorative Concrete

Color & Stamping SuppliesStains • Releases • Concrete Colors • Color Hardeners • Stamping Tools • Material Spreaders • Concrete Buggies • Vibrating Screeds • Power Trowels • Cures ,Paving & Sidewalk Forms

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Wacker Neuson Battery Powered Solutions

Wacker Neuson Full Line of Compact Mini-Excavators

Wacker Neuson Full Line of Compact Wheel Loaders

Wacker Neuson Full Line of Compact Dumpers

Wacker Neuson Full Line of Concrete Vibrators

Wacker Neuson Full Line of Compact Skid Steers / Track Steers


Home / VRod-Electromagnetic

V-ROD Fiberglass Rebar | Electromagnetic Use Case

While GAMKA’s V-ROD fiberglass rebar is an excellent solution for a variety of reinforced concrete applications, one unique and particularly novel use for this material is in electromagnetic projects, such as in Automated Toll Booths, Electrical Substations, and MRI Machine Equipment Rooms.

To avoid problems related to the magnetic properties of conventional steel rebars, various techniques and methods are employed, such as the use of stainless steel, grounding the rebars, and distancing them from equipment. We know that steel can interfere with the transmission of electrical signals between two elements or when the element is situated near a large energy source.

Bending Fiberglass rebar

GAMKA Composite Rebar in Electrical Substations, Automated Toll Booths, and MRI Equipment Rooms

However, with Gamka’s V-ROD product, this issue is resolved. In healthcare facilities, where magnetic resonance imaging (MRI) equipment generates magnetic fields up to 20,000 times stronger than the earth’s magnetic field, the use of conventional reinforcing steel in concrete elements near the equipment is strictly prohibited to prevent any interference.

The presence of steel near energy sources such as inductance equipment in electrical substations or underground electrical distribution vaults results in significant energy losses, leading to overheating of the reinforcement and accelerating the corrosion process, ultimately deteriorating the concrete.

In the case of detection loops and automated toll road systems, poor grounding of the reinforcing steel can interfere with the electromagnetic link between the metal of vehicles and the detection equipment, resulting in false positives or negatives.

V-ROD composite rebars, which are electromagnetically neutral and conducive to radio frequencies and cell phone signals, provide an ideal solution for all these applications. They are a superior alternative to nonconductive stainless steel and require minimal concrete cover, eliminating the need for grounding. With composite reinforcement, all these costly measures are no longer required.

Thus, GAMKA’s V-ROD Composite Rebar saves you both time and money.

Fiberglass rebar bundle