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Topcoat Series Part 4 – Caring for your Top Coat

Now that you’ve got a new top-coat paint job, what’s the best way to make that shine last?

You have undertaken the complex but rewarding process of having your topside repainted, but what are the secrets to keeping that beautiful finish looking showroom perfect? After all the effort you put into choosing the right paint system, application process and the extensive prep work, why not enjoy that gleaming new shine for as long as possible? Next up in our series on top-coat paint projects, here are some great ideas and easy tips to help get the most out of your new paint job, even in the toughest conditions Mother Nature can dish out.

Keep it clean:

Always rinse down the paint surface with clean fresh water every time the boat is used to remove salt spray and dirt. A buildup of hard-water spotting can be confused with premature dulling of paint. Use a water softener or a reverse-osmosis water supply to minimize water spotting. The paint surface should be washed once a week using a mild detergent with a neutral PH formulated specifically for paint finishes. Some detergents will strip waxes and protective sealants off the surface and should be avoided. Check the detergent label. Do not use abrasive brushes, pads or cleaning agents on paint. These will scratch and dull the finish. Use only soft clean wash mitts and brushes that are specifically designed for washing painted surfaces. Dry the surface to prevent water spots. Wherever possible, dry the surface with a quality towel, chamois or wiping blade to eliminate water spots.

Polish:

Apply a high-quality wax or polymer sealer two to three times a year on polyurethane painted surfaces. This will act as a sacrificial coating to protect the paint and can dramatically improve the coating’s life expectancy. Many companies make products for sealing and protecting painted surfaces. Only use products specifically designed for surfaces painted with polyurethane. These products should not contain abrasives or caustic chemicals.

Moisture buildup:

Don’t let moisture collect or be trapped between polyurethane top coat and plastic film shrink wrap, hardware, seat cushions, or wet fabric. Polyurethane top coats should not be continuously submerged under water. Any moisture held against a polyurethane top coat, even for a few days, can result in bubbles forming on the surface.

Stains:
Remove stains from a polyurethane finish as soon as possible. Some stains can actually etch the surface of the paint and embed into the coating. If a stain cannot be removed with a mild detergent during the washing process, solvents may be used to loosen the stain. Always start with mild solvents such as mineral spirits, naphtha or denatured alcohol. Harsher solvents such as acetone and lacquer thinner should only be used as a last resort. After removing the stain with solvent, wash the area with a mild detergent and clean water to remove all solvent residues.

Salt residue:
Use a solution of warm water and white vinegar to remove dried salt residue. Mix one-part white vinegar to one-part warm water and wash the surface. When finished, rewash the surface with a mild detergent and clean water.

Special thanks to Tripp Nelson of Alexseal Yacht Coatings for his contributions to this article.

Boat Paint Tutorial

The All At Sea team has been busy shedding some light on the confusing and intimidating process of painting your boat – both Bottom Paint and Top Coat. Below find two sections to help shed some light. If you have any questions, please email us editor@allatsea.net and we will get an expert on the line with you.

Tips for successful Top Coat Paint Application and Maintenance

Steve Rosenberg researched and interviewed the top Boat Paint companies in the world that specialize in Marine Topcoat Painting products to offer you a step-by-step independent selection, application and maintenance guide based upon our research.

Participating companies include: Alexseal, Blue Water Marine Paint, Interlux and Awlgrip Paint

For BOTTOM PAINT Application please refer to our Bottom Paint Application Guide


Steve Rosenberg is the former editorial director of Boating World magazine and now writes exclusively about boating and yachting.

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