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Armastek USA, is a world-leading manufacturer in the production of Glass Fiber Reinforcement Polymer (GFRP) Composite Rebar throughout the United States, Canada, and Mexico.  Composite fiberglass rebar is designed to be used in concrete with prestressed and unstressed forms at an advantage over traditional steel rebar.  We provide products and services to companies, contractors, and supplers. So, don’t hesitate to contact us so we can discuss the incredible advantages of GFRP over standard rebar.

Custom Lengths and Shapes

It will not change from it’s original form once it has been uncoiled.

Armastek USA GFRP

Diameters range from 4mm to 40mm. Comes either pre-cut or rolls.

Poly Wall Structure

It can be used in all areas of civil, commercial, and industrial construction.

The main advantages of GFRP reinforcement over Steel reinvorcement.


Not effected by water or weather.

  • Non-magnetic (transparent to electrical fields)
  • Non-conductive to heat and electricity.
  • Non-existent corrosion – rust free.
  • Easy and rapid installation time.
  • Maintenance free.
  • Reduced whole-life project costs.
  • Lower transportation & storage costs.
  • 9 times lighter in weight than the equivalent strength in steel rebar.
  • 3 times stronger than the ultimate tensile strength of A-III carbon steel.
  • 80+ years of lifespan and corrosion resistance.
  • Easily cut and machined.
  • High fatigue endurance and impact resistant.
  • Impervious to chloride ion, low PH chemical attack and bacterial growth.
  • Standard and custom length, shapes and bends.