International Propeller Primer is a high-performance primer developed to create strong adhesion between underwater metal surfaces and antifouling coatings. It is ideal for use on propellers, stern drives, outdrives, trim tabs, and other submerged metal components exposed to harsh marine conditions.

Its corrosion-resistant formulation helps protect metal surfaces while improving the durability and effectiveness of antifouling systems.

Ideal Applications

• Propellers
• Stern drives and outdrives
• Shafts and struts
• Trim tabs
• Underwater metal fittings

Key Features

• Excellent adhesion to underwater metals
• Improves antifouling coating performance
• Helps reduce corrosion
• Fast and easy application
• Suitable for marine environments with high salt exposure
• Distinctive colour for easy coverage control

Application Information

Apply to properly prepared, clean, and degreased metal surfaces before antifouling coating. Follow International Paint application and drying recommendations for best results.

Suitable For

• Aluminium
• Bronze
• Stainless steel
• Other underwater marine metals

Suitable for a wide range of substrates including fibreglass, wood, aluminium, lead, cast iron and steel, One UP is easy to apply by brush or roller and sands smoothly between coats. Its formulation helps reduce the overall preparation time and improves the appearance of the topcoat once applied.

This primer is ideal for owners undertaking topside painting projects with one-pack finishes and for ensuring a well-prepared base that enhances overall coating performance.

Available Variants

• 750 ml — perfect for smaller topside areas or touch-ups

• 2.5 L — ideal for full topside repainting