Low-VOC epoxy adhesive for structural bonding and concrete repair

Sikadur®-31+ is a two-part, low-VOC, moisture-tolerant epoxy structural adhesive which bonds to many construction materials. It is also used for structural concrete repairs, joint filling, and crack sealing. It can be used in both do-it-yourself (DIY) and professional applications.

  • 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 specific 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.
  • Temperature application range +10 °C to +30 °C.