Free next day express delivery

Sikadur-31 +

A moisture tolerant, thixotropic, structural 2-component adhesive and repair mortar, based on a combination of epoxy resins and special fillers, designed for use at temperatures between +5 °C and +20 °C.




Our price

£37.49 - £99.95 £44.99 - £119.94 inc VAT


£67.55 - £117.91 £81.06 - £141.49 inc VAT

BIG SAVINGS ON BULK ORDERS Call 01708 855 698 for a bespoke quote

Free next working day delivery if ordered by 2pm

Sikadur-31 +

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


The Product is used as an adhesive for:

  • Structural concrete repair (Principle 3, Method 3.1 of EN 1504-9). Repair of spalling and damaged concrete in buildings, bridges, infrastructure and superstructure works
  • Structural strengthening (Principle 4, Method 4.3 of EN 1504-9). Bonding plate reinforcement
  • Structural strengthening (Principle 4, Method 4.4 of EN 1504-9).  Increasing the bearing capacity of the concrete structure by adding mortar


The Product is used for bonding the following materials:

  • Concrete.
  • Natural stone.
  • Ceramics.
  • Fibre cement.
  • Mortar.
  • Brick masonry.
  • Brick slips.
  • Steel.
  • Iron.
  • Wood.


The Product is used for repairing and reprofiling:

  • Structural concrete elements such as beams, columns, and walls.
  • Non-structural concrete elements.
  • Small patches and edges.


The Product is used for filling and sealing:

  • Joint arrises.
  • Crack arrises.
  • Non-structural static cracks.
  • Holes.
  • Voids.


More product detail



Delivery Schedule

All deliveries are ‘Next working day’ unless otherwise stated. 

Orders placed before 2pm Monday – Friday (excluding Bank Holidays) will be dispatched the same day. Orders placed after this time will be dispatched the following working day. 

Orders for non-stock items will be dispatched within 3-5 working days unless contacted by Customer Services. 

Saturday and timed deliveries are available on request. Please contact customerservices@solseal.co.uk or call 01708 855 698 for more information. 

Please note postcodes in some areas of the Scottish Highlands and offshore addresses require a delivery surcharge and in some cases can take longer to be delivered. Please contact customerservices@solseal.co.uk or call 01708 855 698 for a delivery quote. 

AB36-38, AB55-56, FK17-21, G83, GY9, HS1-9, IM (ALL), IV (ALL), JE (ALL), KA27, KA28, KW0-14, KW15-17, PA20-78, PH15-18, PH19-29, PH32-33, PH45-48, PH30-31, PH34-44, PH49-99, PO38, ZE (ALL) 


Our offices are and warehouses are open from Monday to Friday 8am to 5pm. We are closed on weekends and Bank Holidays. 

‘Working days’ is defined as Monday to Friday excluding Bank Holidays.