These bars are made of glass fibers. They are very resistant in tension and are made with vinyl ester resin to resist corrosion. The fibers provide the stiffness properties to the bars, while the vinyl ester resin provides the corrosion resistance property for extreme use in chemical or alkaline environments.

A product made of vinyl ester and basalt fiber is also available for structures requiring more rigidity and other mechanical properties. Composite rebar significantly increases the longevity of civil engineering structures where corrosion is an important factor.

Compared with conventional steel bars, composite reinforcing bars are specifically optimal for the following types of structures:

• Structures subject to de-icing salts
• Structures requiring magnetic and electrical neutrality
• Low walls submerged in salt water or coastal structures
• Structures subject to corrosive agents