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Fiberglass gelcoats tend to oxidize and show signs of corrosion accrued over the years as they age. Gelcoat finishes eventually yield to the inexorable attack from the marine environment.
Coating systems range from single-part, easy to apply enamels to the complicated two-part systems that deliver almost professional-quality finishes. Multi-coat systems use an epoxy primer plus linear polyurethane for the finish along with the other systems.
This step-by-step approach is ideal for any area of the vessel. Always adhere to the instructions as well as recommendations of the product you are using.
Prep Work: The actual sanding process can push contamination deeper into the gelcoat. Wash and wax the hull using soap and water and do a solvent wipe afterwards. Regularly spin the used rag and use a new one often to avert smearing surface waxes plus other contaminants. Do remember to wear gloves.
First Sanding: A sanding with 80- or 100-grit sandpaper will suffice on a normal surface prior to an epoxy primer coat. Perform a spot repair on the badly gouged areas with epoxy products or premixed epoxy filler. As soon as the filler has been sanded flush and then reprime the filled spots.
Application of Primer: The primer application is comparable to the way in which the finish coat will be handled. It can aid an applicator to get a sense of the roll and tip process.
Second Sanding: Use a lighter grade of sandpaper around (220-320 grit) for this process. Smooth the surface and get rid of surface imperfections. Spot touch up in the places where you sand through the primer and when it is cured simply scuff-sand the area.
Finish Prep: Remove the dust and carry out a fresh water hose down of the vessel. When everything is dry cautiously mask off the fundamental lines. Use solvent-resistant masking tape to extend the area for better protection. Prior to application of the initial finish coat clean the surface with a solvent product and clean rag.
Paint Application: An even thickness of film must be ensured for the paint which is to be applied. This should flow out to provide a glossy & smooth surface. Mix the paint according to the directions and stir it in properly to ensure excellent dispersion. Then mix the correct amount and kind of reducer into the paint.
Combine solvent into the Yacht Paint to ensure that you have the proper viscosity required for application.
Carry out a test spot on the hull and see how the paint flows. Search for sags and brush marks and wipe the area clean using a solvent-soaked rag. Start painting from the stern or bow. Ensure that the volume of paint is consistently applied along the hull.
