For use with glass fibre mats and tissue Fastglas Resin is a quick and easy solution for fixing damaged body work. Supplied with easy to follow on pack instructions, your repairs will be completed and dry in less than 30 minutes after application. Once dry your repairs will be a strong bond of polyester resin and glass fibre; that will be impervious to water, oil and many acids, so you can be confident that your repairs will last.