Sikadur 31+ - Low-VOC Epoxy Adhesive
Verified by manufacturer 1 day ago
Low-VOC epoxy adhesive for structural bonding and concrete repair.
Application
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.
Description
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.
Features and benefits:
- 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 10–30°C.
- CE/UKCA marking and declaration of performance based on EN 1504-3:2005 Products and systems for the protection and repair of concrete structures — Structural and non-structural repair.
- CE/UKCA marking and declaration of performance based on EN 1504-4:2004 Products and systems for the protection and repair of concrete structures — Structural bonding.
- Contributes towards satisfying Materials and Resources (MR) Credit: Building product disclosure and optimization — Environmental Product Declarations under LEED® v4.
- Contributes towards satisfying Materials and Resources (MR) Credit: Building Product Disclosure and Optimization — Material Ingredients under LEED® v4.
- Contributes towards satisfying Indoor Environmental Quality (EQ) Credit: Low-Emitting Materials under LEED® v4.
- Environmental Product Declaration (EPD) in accordance with EN 15804. EPD independently verified by Institut für Bauen und Umwelt e.V. (IBU).
- VOC emission classification GEV Emicode EC1plus.
Consult literature for strength details including compressive and tensile strength.
General information
Color | Grey |
Material | Epoxy |
Shape | Formless |
Uniclass | |
CAWS | C42/310 Repair mortar |
Specification data - Concrete repair mortars
Classification data | |
Standard | To BS EN 1504-3 and BS EN 1504-4. |
Mortar type | Epoxy resin-based. |
Performance requirement class | R4. |
Reaction to fire | To EN 13501-1: Class C-s1, d0, d0, Class Bfl-s1. |
Shrinkage | 3.0 MPa. |
Coefficient of thermal expansion | 4.8 × 10-5 (±0.2 × 10-5) 1/K |
Freeze/ Thaw Resistance | Pass, 3.00 MPa. |
Sustainability data
Material | Epoxy |
Literature
Sikadur-31+
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