Sikadur®-31+ (AB) – 1.2kg Structural Epoxy Adhesive for Bonding & Concrete Repair

Sikadur®-31+ (AB) is a two-part, moisture-tolerant, thixotropic epoxy adhesive ideal for structural bonding, concrete repair, and joint/crack sealing. Supplied in a compact 1.2kg pack, it's perfect for DIY applications, minor touch-ups, or professional use in confined areas.

Formulated with very low VOC emissions (GEV Emicode EC1PLUS), Sikadur®-31+ bonds exceptionally well to a wide range of materials, including concrete, masonry, steel, ceramics, and wood. It is suitable for vertical and overhead use, thanks to its non-sag consistency, and requires no primer for application.

With EN 1504-3:2005 Class R4 certification, it meets rigorous standards for structural and non-structural concrete repairs. Whether for small repairs or detailed precision bonding, this compact epoxy kit delivers industrial-grade performance.

Key Features & Benefits:

• 1.2kg two-part kit – Part A and B

• Low-VOC epoxy adhesive – GEV Emicode EC1PLUS certified

• Strong adhesion to concrete, steel, masonry, ceramics, and more

• Thixotropic formula – suitable for vertical and overhead applications

• Class R4 (EN 1504-3:2005) – meets structural concrete repair standards

• Non-shrink hardening, even in thicker layers (up to 30mm in one go)

• Primerless application for ease of use

• High abrasion and chemical resistance

• Coloured components ensure proper mixing control

• Moisture-tolerant – can be used on dry or matt damp substrates

• Application temperature: +10 °C to +30 °C

Colour

• Part A - White
• Part B - Dark Grey
• Part A+B mixed - Concrete Grey