What Is Fiberglass Rebar Made Of

Many people don't know what fiberglass rebar is made of, let Unicomposite pultruded profiles tell you.

what is fiberglass rebar made of

Fiberglass rebar, also known as fiberglass reinforced polymer (FRP) rebar, is made of high-strength fibers, such as glass fibers, that are embedded in a polymer resin matrix. The fibers provide strength and stiffness to the rebar, while the polymer resin provides protection against corrosion and other environmental factors.


The manufacturing process for fiberglass rebar involves pulling continuous fibers through a resin bath and then winding the wet fibers onto a mandrel to create the desired shape and size. The resin is then cured or hardened, resulting in a durable, lightweight, and corrosion-resistant composite material.


Fiberglass rebar is a popular alternative to traditional steel reinforcement in construction projects, particularly in harsh environments where steel rebar is susceptible to corrosion and deterioration. It is also non-conductive, making it a safe option for use in electrical or magnetic fields. Additionally, fiberglass rebar is easy to cut and install, which can save time and labor costs on construction sites. 

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