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How does Carbon Fiber Reinforced Polymer (CFRP) work for Concrete Crack Repair

How does Carbon Fiber Reinforced Polymer (CFRP) work to structurally reinforce cracks in concrete. This cross section of cracked concrete illustrates the role the two components play in this repair application.

The heavy weight commercial grade bidirectional fabric contains bundles or tows of carbon, each containing 12,000 filaments of fiber. These tows bridge the crack and are permanently bonded to the concrete using the SRS-1000 Structural Epoxy Resin. This high viscosity adhesive, saturates the fabric while penetrating deep into the pores of the concrete, filling any micro cracks and fissures beneath the surface.

Once bonded, a final coat of adhesive is applied to the surface of the carbon fiber which seals the fabric and forms a waterproof coating. This confinement strength permanently arrests any movement in the crack while preventing water intrusion.

Learn more about the capabilities and applications of carbon fiber at

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