DAVID'S FASTGLAS GLASS FIBRE TISSUE 1m² David's Fastglas Glass Fibre Tissue sets within 20-30 minutes and is impervious to oil, water and many acids. Glass fibre mat can be used to repair holes, cracks, leaks etc. Main Features: - 1m² Glass Fibre Tissue - Sets within 20-30 minutes - Impervious to oil, water and many acids - Use to repair holes, cracks, leaks in Car Bodies, Boats, Caravans, Guttering, Baths and Sinks etc. Fine glass fibre tissue creates a smoother finish for use with fiberglass resin. This Fastglas Glass Fibre tissue is strong and high quality.