Antifoul Primers

Antifouling primers create a stable, protective base layer that helps your antifoul paint bond properly to the hull. They’re essential when switching types of antifouling, preparing bare surfaces, or restoring adhesion on previous coatings.

Choosing the Right Primer for Your Boat

Different hull materials and paint systems require different primers. At Force 4, we stock trusted marine brands offering primers for:

• GRP and fibreglass hulls
• Wooden boats
• Steel and aluminium hulls
• Underwater metal fittings

When Do You Need an Antifoul Paint Primer?

• Applying antifoul to bare GRP or wood
• Switching between hard and self‑polishing antifoul
• Sealing unknown or flaky coatings
• Improving adhesion on older hulls
• Protecting metal surfaces below the waterline

Our range includes primers and undercoats from leading brands such as Seajet, International and Hempel. Covering everything from quick‑drying options to high‑build barrier coats.