A high-opacity, water-based, dual-purpose primer and undercoat suitable for both interior and exterior woodwork. It can be recoated within 2–4 hours and is ideal for priming softwoods, hardwoods, chipboard, and fibreboard (excluding fire-retardant treated types). It may also be used as an undercoat on woodwork previously primed or painted with either solvent or water-based paints.