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Carbon Fiber Laminate for Structural Strengthening

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Sika CarboDur is a pultruded carbon fiber reinforced polymer (CFRP) laminate designed for strengthening concrete, timber and masonry structures. Sika CarboDur is bonded onto the structure as external reinforcement using Sikadur 30 epoxy resin as the adhesive.

Product Variations

Sika Carbodur S 512

Sika Carbodur S 812

Sika Carbodur S 1012

Sika Carbodur Rods

Sika Carbodur Strips 

Where to Use

Load increases

  • Increased live loads in warehouses
  • Increased traffic volumes on bridges
  • Installation of heavy machinery in industrial buildings
  • Vibrating structures
  • Changes of building utilization

Damage to structural parts

  • Aging of construction materials
  • Steel reinforcement corrosion
  • Vehicle impact
  • Fire

Serviceability improvements

  • Decrease in deformation
  • Stress reduction in steel reinforcement
  • Crack width reduction

Change in structural system

  • Removal of walls or columns
  • Removal of slab sections for openings

Design or construction defects

  • Insufficient reinforcements
  • Insufficient structural depth.


  • Very high strength
  • Lightweight
  • Non-corrosive
  • Unlimited lengths
  • Minimal preparation of laminates
  • Very easy to install, especially overhead
  • High modulus of elasticity
  • Outstanding fatigue resistance
  • Alkali resistant
  • Simple laminate intersections or crossings

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