Water based varnishes have found favour for interior use eliminating solvent fumes and providing a tough, glass clear non-yellowing finish. Now you can benefit from these properties for your exterior timber with Polyvine's Exterior Wood Varnish. Formulated with a unique UV protection to resist the sun and elements it defends your exterior timber projects whilst letting the glory of the grain show through. With built-in flexibility for a high resistance to blistering and cracking, it is also designed for fast, easy application and maintenance. Coverage 15 - 20m² per litre.