Generally, you should apply two coats of Seajet Anti-fouling and for Seajet 033,034 and 039, this can last up to 2 seasons in temperate water. It’s a good idea to give an extra coat of anti-fouling at the leading edges of the boat and above the waterline as this is where it faces more water-flow.Throw away the roller head and clean other equipment in Seajet Thinner A. As soon as the paint feels ‘tacky’, remove the masking tape before the paint drieshard. This will give you a smoother edge to the paint – and one which doesn’t ‘stand proud’ of the surface. Ready for Launch YournewSeajetanti-foulingcanbewaituptosixmonthsbeforere-launching,butyoushouldwaituntilthenextday–anysooner,andthere’sagoodchance thatit’llpolishawaytooquickly.Truecolourwillbeseenafterimmersion becausetheremaybesomecolourfadewhenpolishingstartstoreleasethe pigments. Before you start painting, put a plastic sheet down to protect the ground, and wetthe ground with water to prevent dust rising onto the job.If you’re working on a cold day, keep the paint in a warm place until you areready to use it. Alternatively, warm the paint by standing in a bucket part filled with hot water. Warm paint is much easier to apply, and gives a much smoother finish.Stir the paint thoroughly with a flat bladed boat knife. Heavy pigments mean that anti-foulings can easily settle. Thinning should not normally be necessary.Don’t use paint direct from the can; put an appropriate amount into a roller trayand replace the lid on the can. This prevents contamination and premature ageing of the main can contents. Mix the paint occasionally during the work; otherwise, the heavy biocides in the anti-fouling can settle to the bottom.Anti-foulings are best applied with a roller, but keep a brush handy for those awkward areas that are difficult to reach with a roller. Lambs wool rollers hold the most paint, and can quickly cover a large area. But they can leave quite a rough surface, which is not ideal for racing boats. For is smoother finish, use a foam or mohair roller. When using a roller, apply the paint in a ‘criss-cross’ pattern as if you were usinga brush. This helps spread the paint evenly. Alternatively, get someone else to follow you with a paint pad. Don’t work the pad backwards and forwards; or try to spread it too thinly.Remember to use the recommended quantity of anti-fouling or it may not last theseason!
… and the waterline Apply an extra coat to leading edges … 32

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