Bona Gap Master Nut is a silicone free mastic designed to fill gaps between parquet blocks, around skirting boards and door thresholds.
Based on polyurethane and acrylate, it contains no solvents, is odourless and can be used with all parquet finishes.
It retains a high degree of flexibility. Expansion is approximately 7%.
Coverage: Up to 6 linear metres per tube (for gaps up to 5 mm deep and 10 mm wide)
Drying time: 18 – 24 hours
Solvent- , isocyanate-, and silicon free
Excellent self-a and side bonding
High initial and final bonding strength
Coatable with all Bona finishes