Johnstone’s Exterior Hardwearing Gloss provides a durable and water resisting high gloss finish for exterior wood and metal. It offers an exceptionally durable and water resisting high gloss finish. Suitable for exterior wood, metal and plastic; the special formula outperforms conventional gloss systems by up to two years. Resistant to blistering, cracking and peeling; for optimum 6 year durability, use alongside Johnstone's Weatherguard Exterior Undercoat. Available in a range of colours with a coverage of 11 m2 per tin.