GFRP Mesh

In modern construction, GFRP mesh (Glass Fiber Reinforced Polymer mesh) represents an innovative and versatile solution. Its combination of corrosion resistance, lightweight design, and robust strength not only improves concrete quality but also streamlines construction processes, reduces maintenance costs, and extends the lifespan of buildings.

Applications

Application of Composite Mesh

Reinforcement of concrete structures and mixed reinforced concrete structures

Structures located in coastal areas, airports, hospitals, military bases and more

Special purpose objects (power plants)

Weight sensitive structures

Road industry (construction of bridges, roads, tunnels)

Heat/cold sensitive environments (basements, patio decks)

Civil projects (commercial & residential buildings, high rises)

Benefits of GFRP Mesh

Corrosion Resistance

GFRP mesh will not rust, even in the harshest environments. Unlike steel mesh, FRP mesh ensures a longer lifespan and minimizes maintenance needs.

Highly Chemical Resistance

GFRP mesh resistant to salt ions, acids, chemicals, and the inherent alkalinity of concrete. This is important when you build concrete structures in coastal areas near seas, oceans, lakes and rivers.

Lightweight

GFRP rebar is 9 times lighter in weight than the equivalent strength of Steel rebar.

Strength

Fiberglass rebar has 3 times stronger tensile strength than steel. GFRP has substantially greater bond strength to concrete than steel which makes GFRP-reinforced concrete more resistant to cracking.

GFRP Mesh vs. Steel Mesh

Characteristics

GFRP Mesh

Steel Mesh

Diameter of the rod (wire), mm

2.5

4.0

Breaking strength, MPa

1300

570

Breaking tension of the rod, kgf

600

720

Coefficient of elongation, %

2.50

Coefficient of heat conductivity, W/(m*°C)

0.46

56.00

Electric conductivity

Non-conductive

Conductive

Thermal conductivity

Low

High

Corrosion resistance

High (unaffected by water)

Low (without expensive galvanisation treatment bars of steel are subject to oxidation)

Heavy load resistance

No permanent deformation

Can be permanently deformed

Magnetic characteristics

Does not magnetize

Susceptible to

Costs

Lower manufacturing costs, maintenance costs, and transportation expenses (related to lightweight)

Lower material costs but higher overall costs of production, transportation, installation, and technical maintenance

Grid Cell

Production Diameter, mm

Weight, kg/SQMT

50 X 50

0.78

100 X 100

4 - 6

0.41 - 1.11

150 X 150

4 - 6

0.28 - 0.7

200 X 200

4 - 6

0.2 - 0.54

Advantages of using GFRP Mesh

GFRP mesh represents an evolution of steel mesh rebar and makes the GFRP composite technology applicable in construction in practically every of its construction. Composite reinforcement mesh is sustainable and shows prevailing results. The use of FRP mesh in various construction projects not only enhances structural integrity but also opens new possibilities for innovative design and more efficient construction practices.

Reduction of Rebar Scrap

Easily Cut & Machined

Easy and Rapid Installation Time

Lower Transportation & Storage Costs

Reduced whole-life Project Costs

Benefits of Composite Rebar

Excellent Corrosion Resistance

GFRP rebar effectively resists corrosion and so can last much longer than standard rebar. Composite rebar minimizes maintenance needs.

Highly Chemical Resistant

GFRP rebar resistant to chemical acids, salt ions, and the inherent alkaline bases of concrete that cause premature deterioration.

Lightweight

GFRP rebar is 9 times lighter than steel, making it easier to transport and install.

High Strength

Despite its lightweight properties, GFRP rebar offers impressive strength-to-weight load-bearing performance.

A Complete Technical Comparison

GFRP Rebar vs Steel Rebar

In modern civil engineering and infrastructure development, the selection of reinforcement material has a profound impact on the durability, cost, and overall performance of concrete structures. Traditionally, steel rebar has been the dominant choice due to its strength and availability. However, Glass Fiber Reinforced Polymer (GFRP) rebar has gained considerable attention in recent years as a superior alternative for specific applications. This article presents a comprehensive, data-driven comparison of GFRP vs. steel rebar, considering mechanical properties, durability, weight, economic impact, and project-specific examples.

Mechanical Properties Comparison

Mechanical strength is the primary factor when choosing reinforcement. Below is a comparison table of the key mechanical characteristics

Property Steel Rebar

(A615 Gr.60) GFRP Rebar

Tensile Strength

~550 MPa 1000–1500 MPa

Modulus of Elasticity

~200 GPa 60–80 GPa

Yield Strength

~500 MPa Not Applicable (brittle)

Density

O~7850 kg/m³ ~1900 kg/m³