How big is the composite rebar market | Growth, Size & Forecast to 2025

Q: What is the current size of the composite rebar market?

The composite rebar market was valued at USD 0.78 billion in 2024 and is projected to reach USD 2.14 billion by 2031.

Q: What is the growth rate of the composite rebar market?

The market is anticipated to grow at a CAGR of 15.2% between 2025 and 2031.

Q: Which components contribute the most to the composite rebar market?

Glass fiber, basalt fiber, and vinyl ester resin systems are key contributors to the market.

Q: What is driving demand in the composite rebar market?

Demand is driven by infrastructure development, corrosion resistance needs, and sustainable construction practices.

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Code: MTA5851

Publication Date: Jul 2025

How big is the Composite Rebar Market?

According to 6Wresearch internal database and industry insights, Global composite rebar market was valued at approximately USD 0.78 billion in 2024 and is projected to reach USD 2.14 billion by 2031, growing at a CAGR of 15.2% during the forecast period.

The market is expanding steadily, driven by increasing demand for corrosion-resistant materials in infrastructure, marine, and industrial construction.

Key Growth Drivers of the Composite Rebar Market

Increasing application of composite rebar in marine and coastal construction
A greater investment in the structures that are impervious and free of maintenance
The increasing highway, tunnel and bridge projects around the world
Better performance than normal steel in corrosive conditions
Sustainable and lasting construction materials encouraged by the government regulations

Composite Rebar Market Trends

The composite rebar market is witnessing growing acceptance across sectors that demand corrosion resistance, high tensile strength, and longevity. Non-conductivity and resistance to chemicals make glass fiber reinforced polymer (GFRP) and basalt fiber reinforced polymer (BFRP) rebars succeed in transportation, water treatment plants, and the military. Composite rebars Construction efforts are specifying the presence of composite rebars to minimize the cost of their lifecycle and to augment service life. Innovation in the manufacturing processes is enhancing quality and scalability of products. A prefabrication and modular construction are also promoting the use of lightweight composite reinforcement.

Emerging Developments in the Composite Rebar Market

The composite rebar market is evolving with innovations in fiber technology and resin systems to enhance mechanical and thermal properties. Companies are focusing on cost-effective production methods and expanding their offerings to include sand-coated and surface-textured bars for better bonding. Cross-border collaborations are encouraging the development of unified codes and standards. There is also increasing application in pre-stressed concrete and smart infrastructure systems, further strengthening the role of composite rebars in modern construction.