Sikacrete-421 CI Rapid

One-component, early strength-gaining concrete containing factory blended coarse aggregate
Sikacrete®-421 CI Rapid is a one-component, early strength-gaining concrete containing factory blended coarse aggregate. This concrete is air entrained and also contains a migrating corrosion inhibitor.

  • Full depth repairs
  • On grade, above, and below grade on concrete
  • On horizontal surfaces
  • Vertical and overhead surfaces when formed and pumped or poured
  • As a structural repair material for parking facilities, industrial plants, walkways, bridges, tunnels, dams and balconies
  • Filler for voids and cavities


  • High early strength
  • Fast-setting
  • Integral corrosion inhibitor
  • Prepackaged coarse aggregate: Eliminates need to extend material in the field; Eliminates the risk of reactive aggregate
  • Excellent workability and finishing characteristics
  • Rapid hardening as defined by ASTM C-928 (Type R3)

Open/download DATASHEET

Call for pricing.

SKU: 421 CL Category: Tag:


Gray powder

Additional information

Weight 65 lbs