Sikadur®-31+ Rapid

Fast-curing low-VOC epoxy adhesive for structural bonding and concrete repair

Sikadur®-31+ Rapid is a two-part, fast-curing, moisture-tolerant epoxy structural adhesive which bonds to many construction materials. It is also used for structural concrete repairs, joint filling, and crack sealing.

  • Easy to mix and apply.
  • Very low VOC (GEV Emicode EC1PLUS).
  • Very good adhesion to many construction materials.
  • Very good initial and ultimate mechanical strength.
  • Suitable for structural concrete repair, class R4 according to EN 1504-3:2005 (Structural and non-structural repair).
  • Good adhesion to dry and mat damp concrete.
  • Thixotropic: non-sag in vertical and overhead applications.
  • No primer required.
  • Good resistance to abrasion.
  • Good resistance to chemicals.
  • Differently coloured components for mixing control.
  • Impermeable to most liquids and water vapour.
  • Hardens without shrinkage.
  • Application up to 30 mm thickness in one layer.
  • Can be applied at temperatures between +5 °C and +20 °C.