Fiberglass Rebar (GFRP Rebar) Manufacturer

Name: Fiberglass Rebar Manufacturer | GFRP Rebar for Concrete Reinforcement
Brand: Preet
SKU: 297334258

Fiberglass rebar, also known as GFRP rebar or FRP rebar, is a high-performance composite reinforcement material made from glass fibers and polymer resin through a pultrusion process. It is widely used as an advanced alternative to traditional steel reinforcement in concrete structures.

Compared with steel rebar, fiberglass rebar offers superior corrosion resistance, lighter weight, and longer service life, making it ideal for infrastructure, marine, and chemical environments.

What Is Fiberglass Rebar?

Fiberglass rebar is a composite material formed by embedding continuous glass fibers into a thermosetting resin matrix. The outer surface is typically designed with a ribbed or sand-coated finish to improve bonding with concrete.

Unlike steel reinforcement, GFRP rebar does not rust and maintains its structural integrity even in aggressive environments such as coastal areas, wastewater treatment plants, and chemical facilities.

fiberglass rebar GFRP rebar concrete reinforcement corrosion resistant composite rebar

Key Advantages of GFRP Rebar

Corrosion resistance – resistant to acid, alkali, and chloride ions
Lightweight – about 1/4 the weight of steel, reducing transportation and labor costs :contentReference[oaicite:1]{index=1}
High tensile strength – up to 2 times stronger than steel of similar size :contentReference[oaicite:2]{index=2}
Non-conductive – ideal for electrical and sensitive environments
Non-magnetic – suitable for MRI rooms and special structures
Low maintenance – longer service life in harsh conditions

Technical Specifications

Parameter	Value
Diameter Range	3mm – 40mm
Density	1.5 – 1.9 g/cm³
Tensile Strength	≥ 450 MPa
Elastic Modulus	30 – 41 GPa
Glass Fiber Content	≥ 70%
Surface Type	Ribbed / Sand-coated
Resin Type	Vinyl Ester / Epoxy / Polyester

Common Sizes of Fiberglass Rebar

Diameter (mm)	Weight (g/m)	Tensile Strength (MPa)
6	~50	800+
10	~150	700+
16	~370	650+
25	~900	550+

Custom diameters and lengths are available according to project requirements.

Applications of Fiberglass Rebar

Fiberglass rebar is widely used in projects where durability and corrosion resistance are critical:

Bridge decks and highway construction
Marine and coastal structures
Wastewater treatment plants
Subway tunnels and underground engineering
Chemical plants and industrial floors
Airport runways and pavements

GFRP rebar application in bridge construction marine engineering corrosion resistant reinforcement

Why Fiberglass Rebar Is Replacing Steel?

Traditional steel reinforcement is prone to corrosion, which leads to cracking and failure of concrete structures over time. Fiberglass rebar eliminates this problem entirely, significantly extending the lifespan of infrastructure projects.

Additionally, its lightweight nature reduces transportation and installation costs, making it a cost-effective long-term solution.