Dulux Trade Aqua Uniprimer is a high-performance, water-based primer designed to simplify surface prep and deliver lasting results. It offers excellent adhesion across a wide range of surfaces including wood, metal, uPVC, and previously painted or glossy finishes—no sanding required. Its stain-blocking power helps seal in challenging marks like water stains, tannin bleed, grease, and smoke damage, making it ideal for both new projects and refurbishments. Quick drying and low odour, it supports a faster turnaround without compromising on finish quality. Matt Finish. Excellent Coverage. Low VOC. How to Apply Dulux Trade Aqua Uniprimer: Before applying, ensure the surface is clean, dry, and free from dust or grease. Aqua Prime can be applied using a brush, roller, or spray. It has a smooth flow and dries to the touch in around 30 minutes, with a second coat ready to apply after just one hour. For best results, apply in temperatures above 8°C. We recommend applying 1–2 coats depending on surface condition and coverage needed. Clean tools easily with water.