Carbon Fiber Reinforcement. Structural capacity without demolition.
Carbon Fiber Reinforced Polymer (CFRP) installation for structural strengthening — engineered capacity added to beams, columns, and slabs without removing or replacing existing concrete.
Reviewed by Ryan Perez, Managing Partner · Last reviewed
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When is carbon fiber reinforcement the right solution?
CFRP is most often specified when the deficiency is a capacity shortfall rather than a material failure. A beam that is under-reinforced relative to current code, a column that needs strengthening to carry new mechanical loads, or a slab that shows cracking under increased live load are all candidates for CFRP strengthening rather than full replacement. The engineer of record determines the strengthening scheme — wrap configuration, ply count, resin system — and CORE Builder Group installs it to the stamped specification.
What does a CFRP installation scope include?
A carbon fiber reinforcement scope starts with surface preparation — grinding the concrete to expose clean aggregate, filling voids with epoxy filler, and profiling the surface to the specified ICRI CSP (Concrete Surface Profile). The primer coat is applied and cured, followed by the saturant resin and CFRP fabric or plate, laminated under pressure. The engineer of record inspects at key stages and approves the lamination before the system is placed in service. CORE Builder Group documents the installation with daily QA records, material batch certificates, and elongation readings that become part of the project closeout package.
- Concrete surface preparation (grinding, patching, profiling to ICRI CSP)
- Primer coat application and cure
- Saturant resin and CFRP fabric or plate lamination
- Multi-ply wrap or plate installation per engineered scheme
- Engineer-of-record inspection at critical hold points
- QA documentation and closeout package
Ready to scope a carbon fiber reinforcement project? CORE will walk the building, talk to your engineer, and put a fixed plan in front of you.
Request an assessmentWhat engineers and boards ask us.
- How strong is carbon fiber compared to conventional rebar?
- CFRP has a tensile strength of approximately 550,000 to 700,000 psi — five to seven times higher than conventional rebar at 60,000 to 75,000 psi yield. Because it is applied in thin plies bonded to the concrete surface, CFRP adds significant capacity with minimal added thickness and no wet concrete work.
- Is CFRP a permanent structural repair?
- Yes. Properly installed and inspected CFRP is a permanent structural element with a service life comparable to the building structure. It does not corrode, does not creep under sustained load, and does not require periodic re-tensioning. The primary maintenance requirement is protection from direct mechanical damage.
- Can CFRP be installed in an occupied building?
- Yes. CFRP installation is one of the least disruptive structural strengthening methods — no demolition, no wet concrete, no significant vibration. Low-VOC resin systems meet indoor air quality requirements for occupied spaces. CORE Builder Group has installed CFRP in occupied institutional and airport settings.
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Carbon Fiber Reinforcement in the field.
Walk through your scope with CORE. We'll put a fixed plan in front of you within 7 days.