Dulux Stay White with Aquatech Primer Undercoat Paint is part of a revolutionary range of advanced water based paints for interior wood and metal. Unlike conventional oil based paints, it retains its bright white finish and will not yellow over time. It is the perfect partner for the paints in the same range. This primer undercoat delivers excellent coverage, is easy to sand, and is recoatable within 4-6 hours. Suitable for use over bare wood or suitably prepared pre-painted wood and metal surfaces, it ensures excellent gloss retention.