Fibre Glass Filler: Two component polyester filler with fibre glass with great filling and adhesive capacity. Suitable for repairing, filling and assembling glass fibre materials and objects. Many uses in the nautical industry and for DIY in general. In addition, its properties make it suitable for high thickness application. How to use: take the chosen amount of filler and mix well with 1-3% hardener. Pot life and application time: approx 5 minutes at 20°C. The filler can be sand-papered after 20-30 minutes.