Bona R820 Silane Adhesive

Bona R820 Silane Adhesive – 15kg

 Product Description

 Bona R820 is a high-performance silane-based elastic adhesive designed for the professional installation of solid and engineered wood flooring. Offering excellent initial grab with long-term elasticity, R820 delivers a strong, durable bond while allowing natural movement in the timber.

 Ideal for demanding installations, Bona R820 combines high shear strength, easy application, and excellent rib stability, making it a trusted choice for professional flooring contractors.

 Key Features

• ✅ High initial grab – reduces movement during installation
• ✅ Elastic silane technology – accommodates wood movement
• ✅ Excellent shear strength – long-term durability
• ✅ Easy trowel application with good rib stability
• ✅ Solvent-free & low odour
• ✅ Suitable for underfloor heating systems

 Suitable For

• Solid wood flooring
• Engineered wood flooring
• Parquet flooring

Compatible Subfloors (with correct preparation):

• Concrete
• Sand/cement screed
• Calcium sulphate screeds
• Plywood & wood-based panels

 Technical Information

• Product Type: Silane-based elastic adhesive
• Weight: 15kg
• Coverage: Approx. 1.0 – 1.3 kg/m² (depending on trowel & subfloor)
• Open Time: Approx. 30–40 minutes
• Walkable: After approx. 12–24 hours
• Curing: Moisture curing
• Colour: Beige

Important Notes

• Subfloor must be sound, clean, dry, and level

• Moisture control measures may be required on concrete subfloors

• Not suitable as a surface DPM

• Always follow Bona installation guidelines