Antifouling Paint

Our Antifouling Paint selection covers the antifouling coatings themselves – hard, eroding and self-polishing formulations from Jotun, International and other brands – to protect a hull below the waterline from weed and barnacle growth in Irish waters.

This is the specific antifouling product range that sits within our wider Paints & Varnish category – see our antifouling cornerstone guide for the full explanation of hard vs eroding vs self-polishing types and how to choose for Irish and Atlantic conditions. In short: hard antifouling suits boats hauled and scrubbed mid-season or fast boats like RIBs; eroding suits boats left afloat on a mooring needing less scrubbing; self-polishing wears at a controlled rate regardless of speed, a strong all-round choice. Always check the specific product’s compatibility if overcoating a different existing antifouling brand or chemistry, since some combinations need a barrier coat first.

Buy enough for two full coats over the whole hull plus an extra coat at the waterline and leading edges, and apply in the weeks before relaunch rather than months ahead, since most antifoulings have a limited in-water effective life once applied.

Frequently asked questions

Hard or eroding antifouling for my boat?

Hard suits boats hauled and cleaned mid-season or fast boats like RIBs and powerboats; eroding suits boats left afloat on a mooring for the season, needing less scrubbing.

Can I mix antifouling brands when overcoating?

Check compatibility first – some antifouling chemistries need a barrier coat before a different brand or type can be applied over them.

How much antifouling do I need?

Enough for two full coats over the hull, with an extra coat at the waterline and leading edges – check the product’s coverage rate against your boat’s wetted surface area.