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Yes, you can paint the bottom of the boat with polyurethane paint due to its high mechanical strength. We recommend this solution when the boat is not launched for a long time and is not exposed to fouling.

Sea-Line HARD and Sea-Line self-polishing antifouling are not intended for aluminum surfaces. They include copper oxide, which in contact with aluminum causes galvanic corrosion. Especially on aluminum, we offer ALU-PLUS self-polishing anti-fouling paint, which, in addition to excellent adhesion to aluminum, is also 30% more effective than traditional anti-fouling paints.

Possible causes

• Inaccurate surface cleaning before paint application,
• Incorrect painting tools preparation (brush and roll),
• Performing work in a place exposed to constant contact with dust.

How to prevent

• Careful surface preparation (grinding, clearing, degreasing),
• Careful painting tools preparation before use,
• Maintain clean work environment

How to remove

• Grind, clean and paint again.