Bona Gapmaster is a silicone and solvent-free, flexible mastic filler making it ideal for filling gaps between floor boards, skirting and door thresholds. Easily and quickly applied with a mastic gun. Can be sanded if required and overcoated with water-based varnishes
- Highly flexible
- Sanding and overcoating possible
- Free from solvents
- Very low odour
- Drying time: 18 - 24 hours
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Number of reviews : 1
Average rating : 5 /5
Good product recommended to us by Stair fitters.
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