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GFRB Rebar

Introduction to GFRP Rebars

GFRP (Glass Fiber Reinforced Polymer) rebars are advanced, non-corrosive reinforcing bars used in concrete structures. Unlike traditional steel rebars, GFRP rebars are made from high-strength glass fibers embedded in a polymer matrix, making them corrosion-resistant, lightweight, and durable. As industries search for cost-effective, long-lasting solutions, GFRP rebars are quickly becoming the go-to alternative for infrastructure, marine, and industrial applications.

Glass Fiber Reinforced Polymer (GFRP) rebars are redefining modern reinforcement practices by offering a corrosion-free, lightweight and high-performance alternative to traditional steel. As demand grows across infrastructure, coastal and industrial projects, choosing the right GFRP rebar suppliers in India becomes critical for long-term structural reliability.

Designed for durability and performance, glass fiber reinforced polymer bars are increasingly preferred in applications where corrosion resistance, low maintenance and extended service life are essential. With consistent quality, engineered precision and reliable supply capabilities, trusted GFRP rebar suppliers in India play an important role in supporting large-scale construction requirements across the country.

GFRB Rebar

Introduction to GFRP Rebars

GFRP (Glass Fiber Reinforced Polymer) rebars are advanced, non-corrosive reinforcing bars used in concrete structures. Unlike traditional steel rebars, GFRP rebars are made from high-strength glass fibers embedded in a polymer matrix, making them corrosion-resistant, lightweight, and durable. As industries search for cost-effective, long-lasting solutions, GFRP rebars are quickly becoming the go-to alternative for infrastructure, marine, and industrial applications.

Glass Fiber Reinforced Polymer (GFRP) rebars are redefining modern reinforcement practices by offering a corrosion-free, lightweight and high-performance alternative to traditional steel. As demand grows across infrastructure, coastal and industrial projects, choosing the right GFRP rebar suppliers in India becomes critical for long-term structural reliability.

Designed for durability and performance, glass fiber reinforced polymer bars are increasingly preferred in applications where corrosion resistance, low maintenance and extended service life are essential. With consistent quality, engineered precision and reliable supply capabilities, trusted GFRP rebar suppliers in India play an important role in supporting large-scale construction requirements across the country.

Features

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Lightweight

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Corrosion-resistant

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Strong

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Cost-effective

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Low Maintenance

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Longer Life

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Easy Handling

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Strong Bond Strength

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Customised Lengths

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Non-Conductive

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Non-Magnetic

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Non-Electromagnetic

Manufacturing Process

Manufactured through a highly controlled pultrusion process Continuous glass fibres are drawn from spools and passed through a resin bath, where they are coated with a polymer resin, typically made of vinyl ester or epoxy
This resin-coated fibre bundle is then pulled through a heated die, which shapes it into the required diameter and ensures uniform coating of the resin around the fibers.
The die also initiates the curing process, where heat solidifies the resin to form a rigid, solid composite material Once the curing is complete, the GFRP rebar is cut to the desired lengths and surface-treated to enhance bonding with concrete.

GFRB Rebar Manufacturing

Manufacturing Capability & Quality Commitment

As one of the established GFRP rebar manufacturers in India, the manufacturing process focuses on precision pultrusion, controlled resin impregnation and strict dimensional consistency. Every batch of GFRP rebar is produced under closely monitored conditions to ensure uniform strength, surface integrity and compliance with applicable Indian standards.

Recognised among reliable FRP rebar manufacturers in India, our manufacturing setup is designed to support bulk supply requirements while maintaining consistent quality across all diameters and lengths. Advanced quality checks ensure that GFRP bars in India supplied for infrastructure and industrial use meet both structural and durability expectations.

Product Specifications

GFRP Rebar Product Specifications

0.065

Kg/mtr

GFRP Rebar Product Specifications
GFRP Rebar Product Specifications
6mm
GFRP Rebar Product Specifications

0.116

Kg/mtr

GFRP Rebar Product Specifications
GFRP Rebar Product Specifications
8mm
GFRP Rebar Product Specifications

0.175

Kg/mtr

GFRP Rebar Product Specifications
GFRP Rebar Product Specifications
10mm
GFRP Rebar Product Specifications

0.25

Kg/mtr

GFRP Rebar Product Specifications
GFRP Rebar Product Specifications
12mm
GFRP Rebar Product Specifications

0.45

Kg/mtr

GFRP Rebar Product Specifications
GFRP Rebar Product Specifications
16mm
GFRP Rebar Product Specifications

0.685

Kg/mtr

GFRP Rebar Product Specifications
GFRP Rebar Product Specifications
20mm
GFRP Rebar Product Specifications

1.07

Kg/mtr

GFRP Rebar Product Specifications
GFRP Rebar Product Specifications
25mm
GFRP Rebar Product Specifications

Upto 100 metres
(In coil form)

GFRP Rebar Product Specifications

Upto 12 metres (In staight bars)

GFRP Rebar Product Specifications

Diameter

GFRP Rebar Product Specifications

Length Available

GFRP Rebar Product Specifications

Unit Weight

Bend Bar

90 - Degree Bend

45 - Degree Bend

Hook Bend

Offset Bend

S Bend

U Bend

Bend

* Note : Actual weight may vary as per tolerances

Technical Specification of GFRP Rebars

FRP Rebar (6, 8, 10, 12 mm)

FRP Rebar (16, 20, 25 mm)

Sr. No. Properties UOM Tolerance IS 18256 : 2023 TSL GFRP Rebar
1
Glass Content
%
±5
≥ 75
≥ 80
1
Tensile Strength
Mpa
min.
700 – 850
1100 – 1200
3
Tranverse Shear Tensile
Mpa
≥ 130
130 – 200 Mpa
4
Tensile Modulus of Elasticity
Mpa
≥ 45000
45000 – 55000
5
Ultimate Tensile Strain
%
≥ 1.1
≥ 1.1
6
Glass Transition Temperature
oC
≥ 100
101-115
7
Moisture Absorption (short hrs.)
%
min.
≥ 0.25
≥ 0.25
8
Moisture Absorption (Iong term)
%
min.
≥ 1
≥ 1
9
Alkaline Resistance
Mpa
≥ 80 % of mean
ultimate tensile force
of pristine bars
≥ 80 % of mean
ultimate tensile force
of pristine bars
10
Bond Strength
Mpa
≥ 7.6
8-15
Sr. No. Properties UOM Tolerance IS 18256 : 2023 TSL GFRP Rebar
1
Glass Content
%
±5
≥ 75
≥ 80
1
Tensile Strength
Mpa
min.
550-650
16 mm ≥ 700
20 mm ≥ 650
25 mm ≥ 650
3
Tranverse Shear Tensile
Mpa
≥ 130
135 – 200 Mpa
4
Tensile Modulus of Elasticity
Mpa
≥ 45000
45000 – 55000
5
Ultimate Tensile Strain
%
≥ 1.1
≥ 1.1
6
Glass Transition Temperature
oC
≥ 100
101-115
7
Moisture Absorption (short hrs.)
%
min.
≥ 0.25
≥ 0.25
8
Moisture Absorption (Iong term)
%
min.
≥ 1
≥ 1
9
Alkaline Resistance
Mpa
≥ 80 % of mean
ultimate tensile force
of pristine bars
≥ 80 % of mean
ultimate tensile force
of pristine bars
10
Bond Strength
Mpa
≥ 7.6
8-15

Benefits of GFRP Rebar

Why the Shift to GFRP Rebar Is Accelerating

Infrastructure failures caused by corrosion, chemical exposure and moisture ingress have significantly increased lifecycle costs in reinforced concrete structures. This has led engineers and project consultants to actively transition from steel to GFRP rebar for future-ready construction.

  • Steel corrosion leads to frequent repairs and structural weakening
  • Coastal and chemical environments demand non-reactive reinforcement
  • Lightweight GFRP rebar reduces transportation and handling costs
  • Long service life improves project economics and safety compliance

As a result, GFRP bars in India are now being adopted across bridges, highways, water treatment plants and industrial foundations where long-term durability is non-negotiable.

Common Issues

Problems with TMT Rebars

GFRP Rebar Problems with TMT Rebars
CORROSION

TMT bars are prone to corrosion when exposed to moisture, chemicals, or saline environments, compromising their strength and the structural integrity of buildings over time,

THEFT DURING TRANSIT AND ON-SITE

TMT bars are highly vulnerable to theft, especially during transit or at unsecured construction sites. Reports suggest theft rates can reach up to 20%, causing financial losses and project delays.

LABOR-INTENSIVE INSTALLATION

Handling, cutting, bending. and placing TMT bars demand skolled labor. making the process time-consuming and adding to overall project costs, especially in large-scale construction projects. The bending, cutting, and placement of bars demand skilled labor and may increase construction timeframes,

RISING COSTS

The cost of TMT bars is highly volatile due to fluctuating raw material prices, increasing transportation expenses, and rising labor costs. These factors contribute to unpredictable project budgets, making it challenging to mai ntain financial control over construction expenses.

CUTTING OF OPENING IN CONCRETE STRUCTURES

Incorporating openings, such as doorways or windows, in concrete structures with TMT bars can be labor-intensive and time-consuming, Special tools and techniques are often required for precise cutting, adding to construction complexity.

SCRAP GENERATION AND WASTE

Cutting and bending TMT bars to fit specific designs often generate significant scrapt creating waste management challenges and adding to project inefficiencies. The disposal of the scrap can be concern and wate management challenge.

MARKET PRICE VOLATILITY

Frequent fluctuations in TMT bar prices due to market dynamics can significantly impact construction budgets, requiring constant adjustments during procurement.
These challenges highlight the need for more innovative, cost-effective, and efficient alternatives like GIGABAR* GFRP Rebar by Aeron Composite, which address many of these concerns,

GFRP BAR vs TMT BAR

PROPERTIESGrade 500GFRPCOMPARISON
Tensile strength MPa500 min800-1100Stronger
Weight/Meter 8mm0.395 kg0.099 kgLighter
Bar Length12 meterupto 100 metersBetter improvement
CostHigherLowerCost effective
Life Spend50 years(+) 80 yearsMore durable
Corrosion resistanceNoYesMore durable
Electric conductivityYesNoNo accidents risk
Thermal conductivityYesNoDoes not dissipate heat
Concrete covering35mm - 45mm20mmLower concrete volume
Shear Strength120170Higher
Bond strength MPa/N/mm2≥ 10≥ 7.6Lower
Compression MPa/N/mm2500450Lower
Modulus of Elasticity [Gpal160-20065Lower
Elongation [%]12% (min.)4% (max.)Lower
Density [ton/m3]7.81.9Lower
EMI/RFI TransparencyNOYesTransparent To EMI/RFI
Linear expansion coefficient, a*10-6/oC13-159-12Lower
Installation, Handling & Transport CostHighLowCost Effective
Environmental ImpactHighLow45% Less C02 emission

Spectrum of Applications

GFRP Rebar Spectrum of Applications

Marine & Coastal

Seawalls & Retaining Walls

Pile Foundations in Saltwater

Bridge Piers

Jetties, Ports & Harbours

Underwater Concrete Elements

Walkways & Decks in Coastal Zones

Tunnels and Underground Works

Tunnel Linings & Segments

Underground Retaining Structures

Soft Ground Support Systems

Utility Vaults & Shafts

Cut & Cover Tunnel Slabs

Mining Roof & Wall Stabilization

GFRP Rebar Tunnels and Underground Works
GFRP Rebar Roadways & Bridges

Roadways & Bridges

Bridge Decks & Approach Slabs

Crash Barriers & Parapet Walls

Roadway Slab Culverts

Median Barriers & Dividers

Expansion Joint Slabs

Retaining Walls for Flyovers

Industrial Plants

Chemical Storage Foundations

Cooling Towers & Water Basins

Industrial Flooring & Pavements

Wastewater Treatment Structures

Acidic & Corrosive Zone Slabs

Electrical Equipment Enclosures

GFRP Rebar Industrial Plants
GFRP Rebar Infrastructure

Infrastructure

Metro & Railway Platforms

Airport Runways & Taxiways

Utility Ducts & Drain Covers

Metro & Railway Platforms

Urban Flyovers & Underpasses

Retaining Walls & Noise Barriers

Water Supply & Sewerage Systems

Understanding GFRP Rebar Price in India

When evaluating GFRP price in India, it is important to consider the overall lifecycle value rather than just initial material cost. While GFRP rebar may have a higher upfront cost compared to steel, it delivers substantial long-term savings through reduced maintenance, zero corrosion and extended service life.

Key factors influencing GFRP price in India include:

  • Bar diameter and length
  • Resin formulation and fiber content
  • Project volume and customization requirements

For large-scale infrastructure and industrial projects, GFRP bars in India offer a cost-effective reinforcement solution when evaluated over the structure’s full lifespan.

Trusted GFRP Rebar Supply for Indian Projects

With growing adoption across sectors, dependable GFRP rebar manufacturers in India are expected to deliver not just products but technical consistency and supply reliability. As experienced FRP rebar manufacturers in India, the focus remains on supporting infrastructure growth with durable reinforcement solutions suited to Indian environmental and structural conditions.

By working closely with engineers and contractors, leading GFRP rebar suppliers in India ensure that every GFRP rebar supplied aligns with project specifications, performance expectations and long-term durability goals.

Need Project-Specific GFRP Rebar Support?

For detailed specifications, technical guidance or volume requirements related to GFRP rebar, connect with experienced GFRP rebar manufacturers in India to discuss your project needs. Expert support ensures the right GFRP bars in India are selected for optimal structural performance and long-term value.