March 2010 Issue
Bottom Paint Test Updates
Practical Sailor reports on its long-term tests of ablative, hard, and specialty antifouling paints.
These six-month and 18-month bottom paint test updates cover dozens of antifouling paints that were immersed in Florida waters. Tested paints include marine coatings from Blue Water, Epaint, Flexdel, Interlux, Pettit, Sea Hawk, and Copper Coat, an epoxy-copper blend that claims multi-year protection. BoatKoat Laminate’s experimental stick-on antifouling for sailboats also was included in the fray. Hard antifouling paints and ablative antifouling paints work differently and are intended for different applications. Find out which type best matches your sailing style and boat maintenance regimen. Testers flagged the best bottom paints in each category, including ablative paints, hard paints, freshwater paints, aluminum paints, racing paints, water-based paints, and eco-friendly paints. Copper-free bottom paints and low-copper coatings performed surprisingly well at the six-month mark.
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