Carbon Fiber Fabric For Concrete Reinforcement

Carbon Fiber Fabric For Concrete Reinforcement is widely used in building repair, bridge strengthening, seismic retrofitting, and structural rehabilitation projects. When combined with epoxy resin, carbon fiber fabric forms a CFRP strengthening system that improves the load-bearing capacity, flexural strength, shear resistance, and durability of concrete structures.

Compared with traditional steel plate reinforcement, carbon fiber fabric is lightweight, corrosion resistant, easy to install, and suitable for complex construction environments. It is an effective solution for reinforcing existing concrete structures without significantly increasing structural weight.

What Is Carbon Fiber Fabric For Concrete Reinforcement?

Carbon fiber fabric is a high-strength reinforcement material made from continuous carbon fibers. In concrete reinforcement applications, it is usually bonded to the surface of concrete members using epoxy resin.

After curing, the carbon fiber fabric and resin form a strong CFRP composite layer. This layer works together with the concrete structure to improve tensile performance and structural capacity.

It is commonly used for:

  • concrete beam reinforcement
  • slab strengthening
  • column wrapping
  • bridge repair
  • tunnel reinforcement
  • seismic retrofitting
  • industrial building rehabilitation

Why Use Carbon Fiber Fabric For Concrete Reinforcement?

Concrete structures may need reinforcement due to aging, cracks, design changes, increased load requirements, corrosion of steel reinforcement, or seismic upgrading. Carbon fiber fabric provides a modern and efficient solution for these problems.

Main advantages include:

  • high tensile strength
  • low added weight
  • corrosion resistance
  • easy on-site installation
  • suitable for irregular surfaces
  • fast construction process
  • minimal impact on building appearance
  • long-term durability

Because of these advantages, CFRP fabric has become one of the most popular materials for concrete repair and strengthening projects.

Technical Data

Fastighet Typical Value
Material T700 Carbon Fiber
Common Areal Weight 200 / 300 g/m²
Nominal Thickness 0.111 / 0.167 mm
Draghållfasthet ≥ 3400 MPa
Elastic Modulus ≥ 240 GPa
Elongation at Break ≥ 1.7%
Common Widths 300 mm / 500 mm
Roll Length 100 m
Custom Width Available upon request

For most concrete reinforcement projects, 300gsm carbon fiber fabric is one of the most commonly selected specifications because it offers a good balance between strength, thickness, and workability.

Applications in Concrete Reinforcement

Concrete Beam Strengthening

Carbon fiber fabric is often applied to the tension zone of concrete beams to improve flexural capacity and reduce cracking. It is suitable for load upgrading, structural repair, and building renovation projects.

Slab Reinforcement

For concrete slabs and floor systems, CFRP fabric helps improve load-bearing performance while adding very little weight to the structure.

Column Wrapping

Carbon fiber fabric can be wrapped around concrete columns to improve confinement, ductility, and seismic performance. This is especially useful in earthquake-resistant strengthening projects.

Bridge Strengthening

In bridge rehabilitation, carbon fiber fabric is used for girders, decks, piers, and other concrete components. Its corrosion resistance and lightweight performance make it suitable for long-term infrastructure repair.

Seismic Retrofitting

Carbon fiber fabric is widely used in seismic strengthening projects to improve the ductility and energy absorption capacity of existing concrete structures.

Installation Method

The typical installation process includes:

  1. Surface preparation
  2. Primer application
  3. Epoxy resin application
  4. Carbon fiber fabric layup
  5. Rolling and impregnation
  6. Final curing

Proper surface preparation and complete resin impregnation are important to ensure reliable bonding performance and long-term structural strengthening results.

200gsm vs 300gsm Carbon Fiber Fabric

Item 200gsm Carbon Fiber Fabric 300gsm Carbon Fiber Fabric
Arealvikt 200 g/m² 300 g/m²
Tjocklek 0.111 mm 0.167 mm
Reinforcement Level Light to medium Medium to high
Workability Easier to apply Good balance
Typical Use Surface repair, slab reinforcement Beam, bridge, structural strengthening

Why Choose Our Carbon Fiber Fabric?

Our carbon fiber fabric is designed for structural strengthening and concrete reinforcement projects. It offers stable mechanical performance, reliable quality, and flexible roll size options.

Key product advantages:

  • tensile strength ≥ 3400 MPa
  • elastic modulus ≥ 240 GPa
  • 200gsm and 300gsm available
  • common widths 300 mm and 500 mm
  • standard 100 m roll length
  • custom widths available
  • suitable for concrete, bridge, and building reinforcement

We support contractors, distributors, and engineering companies with carbon fiber fabric specifications, roll size options, and technical data for different reinforcement applications.