Waterborne Wood Floor Joint Filler
Bona Mix & Fill is a fast-drying, waterborne joint filler designed to be mixed with sanding dust to achieve a perfect colour match with the wooden floor. Ideal for filling joints up to 2 mm wide and repairing minor defects in wood flooring.
Suitable for both light and dark wood species, it is compatible with all Bona lacquers, finishes and oils.
Key Benefits
- Easy to mix, apply and sand.
- Very fast drying.
- Colour matches the floor using sanding dust.
- Fills joints without slumping.
- Solvent-free and low odour.
- Anti-corrosive properties.
- Compatible with all Bona finishing and oil systems.

Technical Specifications
| Property |
Specification |
| Base |
Acrylate dispersion |
| Category |
Waterborne, 1-component |
| Solvent |
Water |
| Maximum joint width |
2 mm |
| Drying time (before sanding) |
Approx. 20 minutes* |
| Application tool |
Stainless steel trowel |
| Coverage |
8–12 m²/litre |
| Safety |
Unclassified |
| Flash point |
Non-flammable |
| Shelf life |
At least 1 year (unopened) |
| Storage temperature |
+5°C to +25°C |
| Pack sizes |
1 litre and 5 litres |
Drying time based on 1 mm joints at 20°C / 55% relative humidity. Deeper or wider joints may require longer drying times.