Ultra 300 is a premium hard antifouling in Dover White, formulated to give 12 months' protection for powerboats and streamlined yachts in heavy fouling conditions.
Suitable for GRP, painted/primed steel and timber when used over recommended primers. Easy to apply by brush, roller or airless spray; typically applied in 2 coats. Allow 24 hours between coats and full cure before launch, subject to temperature and conditions. Prepare surfaces by cleaning, degreasing and removing loose paint.
- Premium hard antifouling for 12 months' protection
- Coverage: 9 m²/L
- Colour: Dover White (YBB728)
- Size: 2.5 L (≈0.55 imp gal)
- Ideal for powerboats and streamlined yachts
- Hard-wearing formula resists rapid wear in high-challenge areas
- Typically applied in 2 coats; brush, roller or airless spray
- Compatible with GRP, prepared timber and painted or primed steel
- Available in a range of improved, truer colours
- See more in our Hard Antifouling collection