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Painting accent walls on a home-built catamaran requires precise surface preparation and multi-coat application to achieve a smooth, spray-like finish using rollers. The process involves masking off areas with 3M half-inch vinyl tape and one-inch chainers tape to protect existing white glossy surfaces.1:40 After marking the new paint line with a pencil and routing the edge to match the bulkhead’s curve, the surface is sanded with 320-grit sandpaper to ensure adhesion.4:54 The project uses Alexseal Pegasus Gray Topcoat 501, mixed at a ratio of two parts base to one part converter, with the addition of a roller additive to minimize orange peel and improve leveling.12:27 A thin first coat is applied, followed by a light wet scuff-sand with 320-grit paper between subsequent coats to remove imperfections without stripping the base layer.19:02 Achieving a uniform finish requires three to four thin coats, as heavy application leads to runs and trapped fibers.11:16 Applying thin, multiple coats with a roller and scuff-sanding between layers produces a professional, spray-like finish on interior bulkheads.

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