
Many boat owners opt for automotive paint to give their boats a new look, as marine paint is usually expensive. However, there are some differences between the two types of paint. For example, when using automotive paint, you have to sand the gel coat and clean it numerous times with grease remover and wax. You also need to know how to use it, as it has to be sprayed on.
| Characteristics | Values |
|---|---|
| Will automotive paint work on a boat? | Yes, but it differs from marine paint |
| Why use automotive paint? | Marine paint is usually expensive |
| How to use automotive paint on a boat | Sand the gel coat and clean it numerous times with grease remover and wax |
| For a smooth gel coat, paint over with urethane topcoat | |
| For a rough gel coat, spurt three coats of urethane filler over the damp epoxy primer | |
| Sand the fill primer after it’s cured, and once the imperfections are smooth and filled, spurt the urethane topcoat | |
| Sand the primer with finer or 400 grit to eradicate sand scratches |
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What You'll Learn
- Automotive paint can be used on boats, but it's different from marine paint
- Marine paint is formulated especially for use on boats and yachts
- Marine paint is usually more expensive than automotive paint
- Automotive paint needs to be sprayed on
- Before using automotive paint, you need to sand the gel coat and clean it with grease remover and wax

Automotive paint can be used on boats, but it's different from marine paint
Automotive paint is a good alternative to marine paint, but it requires more preparation. When using automotive paint, you have to sand the gel coat and clean it numerous times with grease remover and wax. You also need to know how to use it. For a smooth gel coat, you can paint over with a urethane topcoat. For a rough gel coat, you should spurt three coats of urethane filler over the damp epoxy primer. You can then sand the fill primer after it’s cured, and once the imperfections are smooth and filled, you can spurt the urethane topcoat. You need to sand the primer with finer or 400 grit to eradicate sand scratches.
Automotive paint is also more expensive than marine paint, and it has to be sprayed on. For a cheaper boat, it's recommended to get marine paint that can be rolled and tipped on. Tenting a boat is more hassle than it's worth, unless you have access to a booth for semi-trucks.
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Marine paint is formulated especially for use on boats and yachts
Automotive paint will need to be sprayed on, and you will need to sand the gel coat and clean it numerous times with grease remover and wax. For a smooth gel coat, you can paint over with a urethane topcoat. For a rough gel coat, you should spurt three coats of urethane filler over the damp epoxy primer. You can then sand the fill primer after it’s cured, and once the imperfections are smooth and filled, you can spurt the urethane topcoat. You need to sand the primer with finer or 400 grit to eradicate sand scratches.
Automotive paint is likely to be more expensive than marine paint. For a $10,000 boat, it is recommended to get a marine paint that can be rolled and tipped on. Tenting a boat is going to be more hassle than it is worth, unless you have access to a booth for semi-trucks.
There are "good" and "great" paints targeted to both markets, sometimes there's little to no difference other than the label between automotive and marine.
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Marine paint is usually more expensive than automotive paint
Automotive paint differs from marine paint, which is formulated especially for use on yachts and boats. However, it can still be used to give your boat a new look. For a smooth gel coat, you can paint over with a urethane topcoat. For a rough gel coat, you should spurt three coats of urethane filler over the damp epoxy primer. You can then sand the fill primer after it’s cured, and once the imperfections are smooth and filled, you can spurt the urethane topcoat. You need to sand the primer with finer or 400 grit to eradicate sand scratches.
There are "good" and "great" paints targeted to both markets, and sometimes there's little to no difference other than the label between automotive and marine. For example, one user said that for a $10,000 boat they would just get a marine paint that can be rolled and tipped on. Tenting a boat is going to be more hassle than it is worth, unless you have access to a booth for semi-trucks.
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Automotive paint needs to be sprayed on
Automotive paint can be used on boats, but it differs from marine paint. When using automotive paint, you have to sand the gel coat and clean it numerous times with grease remover and wax. For a smooth gel coat, you can paint over with a urethane topcoat. For a rough gel coat, you should spurt three coats of urethane filler over the damp epoxy primer. You can then sand the fill primer after it’s cured, and once the imperfections are smooth and filled, you can spurt the urethane topcoat. You need to sand the primer with finer or 400 grit to eradicate sand scratches.
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Before using automotive paint, you need to sand the gel coat and clean it with grease remover and wax
Automotive paint can be used on boats, but it differs from marine paint. Before using automotive paint, you need to sand the gel coat and clean it with grease remover and wax. This process may need to be repeated several times. The gel coat should be sanded with finer or 400 grit to remove sand scratches. You can then paint over with a urethane topcoat. If the gel coat is rough, you should spurt three coats of urethane filler over the damp epoxy primer. Once the imperfections are smooth and filled, you can spurt the urethane topcoat.
Automotive paint is a good option for those who want to save money, as marine paint can be expensive. However, it is important to note that automotive paint will need to be sprayed on, which may be more hassle than it is worth unless you have access to a booth for semi-trucks.
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Frequently asked questions
Yes, automotive paint can be used on boats, although it differs from marine paint.
Automotive paint can be expensive, but it is usually cheaper than marine paint.
You will need to sand the gel coat and clean it several times with grease remover and wax.











































