Hempel's Hard Racing Xtra is a high-quality, hard antifouling that provides excellent protection and a smooth finish for motor yachts and fast sailing yachts all season.Application:As an antifouling for boats made of fibreglass, wood, plywood and steel. Do not use on aluminium or other light alloy metals. Risk of corrosion on direct contact. For motorboats and regatta yachts. Good price-quality ratio. Good protection against fouling. Easy to apply. Always ensure that all surfaces are clean, grease-free and dry. Clean the surface with a suitable cleaning agent and sand the surface with dry sandpaper. Untreated surface: Prime surface with HEMPEL LIGHT PRIMER 45551 and apply an anchoring coat of HEMPEL UNDERWATER PRIMER 26030 while the surface is is still tacky. Existing old self-polishing or traditional antifouling: remove loose material and contaminants by high-pressure cleaning with fresh water. Allow to dry. Existing hard antifoul or an unknown antifoul: High-pressure clean with fresh water, wet sanding, remove dust. Clean and dry the surface. If the old antifoul in poor condition is in poor condition, apply 1 coat of HEMPEL UNDERWATER PRIMER 26030 as a sealer.