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To Sand or not To Sand - before applying anti-foul paint?
We are about to take a 4-year old Bavaria 38 Ocean to a boat yard to get a
new application of anti-fouling paint on the bottom. The boat's previous owner advised us that "the antifouling paint used is Petit Ultima SR, applied over a blue signal (base) coat. Apply 3 to 5 coats of red anti-foul paint, depending on the location (5 coats on leading edge of keel, stem, rudder, high wear areas ) and that just pressure wash until the blue signal coat appears. No surface prep is required other than the pressure wash - let the water dry off, and just roll on the new coat(s). Sanding is verboten.The paint is a soft, copolymer ablative which retains 100% effectiveness all the way through as it wears away" The boat yard says that it is nexccessary to sand the bottom lightly before applying the anti-fouling paint...and that they will not guarantee the work if the bottom is not sanded. The previous owner has always been reliable in his advise and I do not feel comfortable going against his recommendation that NO sanding is permitted. Comments??? CVJ |