Dulux Trade Quick Dry Undercoat is part 1 of an advanced 2 part water-based, high gloss system, with excellent opacity and coverage. It is specifically designed to provide the best top-coat finish with Dulux Trade Quick Dry Gloss, but can be used on all interior wood and metal. Key benefits include excellent coverage, advanced water-based technology, quick drying, and water-based formulation. This undercoat can be applied using a brush, roller, or spray and will cover 10 m² per litre.