Dulux Trade 2.5L Dark Grey Undercoat is a professional-quality, solvent-based undercoat with excellent opacity and coverage. It provides an ideal base for Dulux Trade High Gloss, allowing it to flow smoothly on the surface for a high sheen finish. This undercoat is perfect for interior and exterior wood and metal surfaces, ensuring long-lasting protection against wear and tear. Its easy to apply and dries quickly, ensuring minimal disruption to your decorating schedule.