Dulux Trade Undercoat provides the ideal foundation for Dulux Trade Full Gloss, acting as a solvent-based, VOC 2010 compliant undercoat for interior and exterior wood and metal surfaces. It is suitable for use where a high-quality, durable, high gloss system is desired. This undercoat offers excellent opacity, great flow, and a high sheen finish, contributing to exceptional gloss retention. It covers approximately 17 m² per litre on sealed surfaces and stays white longer. Apply this undercoat using a brush or roller. It takes 16 hours to dry and provides good build and obliteration, with excellent flow out of brush marks and good cling to sharp edges.