Sikadur® 31 is a general structural adhesive


High strength, epoxy resin adhesive mortar, 2-30mm

  • High early strength adhesion to most common construction materials, even when damp
  • Insensitive to moisture during application, cure or service and approved for use with drinking water
  • High abrasion and chemical resistance will bond to damp surfaces


Sikadur® 31 may be used as a thin layer levelling mortar, repair mortar or adhesive for most building materials (concrete, brick, stone, ceramics, cement mortar, GRC, fibrous cement, iron and steel and epoxy mortar). Sikadur® 31 may also be used to anchor holding down bolts, starter bars etc. as a bonding bridge between old concrete and Sikadur® 41 mortar. The material is also ideally suited for bonding of external reinforcement and as a general structural adhesive. Special higher strength grades of the material are available for segmental bridge and other construction.


  • Chemical resistant
  • Insensitive to moisture during application, cure or whilst in service
  • Applicable at low temperatures
  • Excellent adhesion to most building materials even when damp
  • High abrasion resistance
  • Approved for use in contact with potable water
  • High early strength High tensile and flexural strength
  • Supplied in factory proportioned units
  • Easily applied – thixotropic, non-sag
  • Proven in service
  • Shrink free
  • Two components of different colours enabling visual control of degree of mixing


6kg Kit



Available Colour
  • Grey