Porters Universal Primer is a tough, water‑based primer designed to prepare a wide range of substrates for high‑performance top coats. Ideal for both interior and exterior use, this versatile bridging and all‑metal primer delivers a smooth base for decorative and specialty finishes, improving adhesion and helping ensure a long‑lasting paint system.

Key Features

• Water‑based acrylic primer that’s easy to apply and clean up with water.

• Bridging primer for oil to acrylic transitions when moving from enamel to water‑based top coats.

• All‑metal primer suitable for galvanised iron and other prepared metal surfaces.

• Smooth self‑levelling finish creates a refined base for top coats like Aqua Enamels and Duchess Satin.

• Interior and exterior use for walls, trim and structural metalwork.

• Coverage approx. 10 m² per litre depending on surface porosity.

Benefits

• Improves adhesion of top coats to challenging surfaces for more durable results.

• Creates a consistent and smooth paint base that enhances finish quality.

• Helps bridge differences between oil‑based and water‑based systems, reducing delamination risk.

• Suitable for a range of surfaces including metal and suitably prepared walls.

• Ideal under decorative finishes and metallic coatings that benefit from a refined primer base.

Note: Always ensure surfaces are clean, dry and properly prepared before priming for best adhesion and performance.