The Dulux 1 Step Acrylic PSU is a three‑in‑one acrylic primer, sealer and undercoat that prepares interior and exterior surfaces before topcoats. It hides stains, blocks tannins and boosts adhesion so your topcoat looks and lasts better. This water‑based formula has low odour, cleans up with water and works under both water‑ and oil‑based paints.

Key Features

• All‑in‑one formula – Primer, sealer and undercoat combined.

• Strong hiding power – Covers marks and uneven tones.

• Water‑based & low odour – Easy to use and clean up.

• Great adhesion – Helps topcoats grip well.

• Blocks stains & tannins – Prevents bleeding through your finish.

• Versatile use – Use indoors or outdoors on many surfaces.

Best Uses

Use Dulux 1 Step Acrylic PSU on plasterboard, timber, masonry, metal and previously painted surfaces. It’s ideal where you want quick, reliable surface prep before your final coat.

How to Apply

Apply with a brush, roller or spray. Let it dry, then follow with your chosen topcoat for a smooth, consistent finish. Coverage is about 16 m² per litre.