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What Is The Best Bottom Paint For Trailered Boats?

If you keep your boat in salt water, then you know that a good coat of bottom paint is key to keeping your boat looking great and performing well. Not only does it protect your boat from the elements, but it also keeps it looking good. But what is the best bottom paint for trailered boats? There are a lot of different types and brands on the market so it can be tough to decide. In this article post, we’ll discuss the different types of bottom paint and help provide an overview so you can decide which one is right for you.

What paint should I use for the bottom of my boat?

For those who are new to the world of boat ownership, the task of bottom painting can seem a bit daunting. After all, there are a lot of different products on the market, and it can be difficult to know which one is right for your boat. Bottom paint is designed to protect the bottom of your boat from barnacles, algae, and other marine growth. It also helps to prevent corrosion and make it easier to clean the bottom of your boat. When choosing a bottom paint, it is important to consider the type of boat you have, the water conditions in your area, and the level of maintenance you are willing to perform. With so many different products on the market, it can be difficult to know which one is right for you. However, by taking the time to do your research, you can find the perfect bottom paint for your boat.

There are three main types of bottom paint: ablative, hard, and semi-hard. Ablative bottom paint is the most popular type; it wears away over time, which allows it to continually renew itself. This makes ablative bottom paint ideal for boats that are used frequently. Hard bottom paint, on the other hand, is designed to last longer; it doesn’t wear away as quickly as ablative bottom paint, but it also doesn’t provide as much protection. Semi-hard bottom paint is a blend of the two; it’s more durable than ablative bottom paint but not as long-lasting as hard bottom paint.

As for brands, there are dozens of different companies that make bottom paint. New Nautical Coatings, Interlux, Pettit, and Aquaguard are just a few of the most popular brands. Interlux offers a wide variety of ablative and semi-hard bottom paints, including their well-known Micron CSC formula. Pettit makes both ablative and hard bottom paints, including their Trinidad Pro, featuring a high copper load and slime resistance to provide unprecedented resistance to all fouling.

New Nautical Coatings, Sea Hawk Paints, includes a wide range of economical and premium ablative and hard bottom paints for various conditions and price points.

If you’re looking for the best bottom paint for aluminum boats, Colorkote is a good way to go. This high-quality paint provides a durable barrier against corrosion, while also being able to withstand the rigors of saltwater conditions. Colorkote is also easy to apply and dries quickly, so you can get back on the water in no time. So, if you’re looking for a bottom paint for your aluminum boat, Colorkote is a great choice.


For those who want an eco-friendly option, Smart Solutions Metal Free Bottom Paint is the best eco-friendly bottom paint on the market. It is made with a specially formulated resin that is designed to bind to metal surfaces, making it an ideal choice for boats and other watercraft. The binding agent in the resin helps to prevent metals from leaching into the water, making Smart Solution Metal Free Bottom Paint an environmentally friendly option. In addition, the binding agent also helps to prevent barnacles and other marine growth from attaching to the hull, making it easier to clean and extending the life of the boat. Smart Solution Metal Free Bottom Paint is available in a variety of colors, making it easy to find a color that matches your boat. It is also exceptionally durable, lasting up to three years with proper maintenance. Smart Solution Metal Free Bottom Paint is the best choice for those looking for an eco-friendly bottom paint that is also effective and long-lasting.

Sea Hawk Smart Solution Outdrive Paint

Finally, if you’re looking for a high-performance racing bottom paint, Pettit Hard Racing Copper Bronze is a high-performance bottom paint that is specifically designed for racing boats. It is made with a copper-infused epoxy resin, which provides exceptional protection against fouling organisms. The Pettit Hard Racing Copper Bronze also has a high load-carrying capacity and resistance to abrasion, making it an ideal choice for high-speed racing boats. In addition, the Pettit Hard Racing Copper Bronze is available in a wide range of colors, so you can choose the perfect color to match your boat. Hard Racing Copper Bronze is recommended for use in fresh water on racing hulls, sailboats, runabouts, or cruisers. You can use it in saltwater for small, dry sailed boats which are not left in the water. When used above the waterline in saltwater, Hard Racing Copper Bronze will oxidize to a green color if not overcoated with a clear sealing coat.

How long does bottom paint last on a boat?

Bottom paint is designed to last for several years, however, longevity depends on the paint. It will eventually break down and need to be replaced. The specific lifespan will depend on a number of factors, including the type of paint used, the boat’s exposure to sunlight and water, and the amount of wear and tear the bottom of the boat experiences. In general, bottom paint can be expected to last for several years before it needs to be replaced. This makes it a wise investment for any boat owner who wants to protect their investment and keep their boat looking its best.

Final thoughts

Choosing the best bottom paint for your trailered boat comes down to personal preference. If you’re looking for something that will last longer, go with a hard or semi-hard bottom paint; if you’re looking for something that’s easier to apply and renew, go with an ablative bottom paint. Just pick one that’s reputable and has a good track record.

When it comes to choosing the best bottom paint for your trailered boat, there are a lot of factors to consider. If you have any questions or would like assistance, the Bottom Paint Store technical support team can help you find the perfect paint for your boat—whether you’re looking for something eco-friendly, high-performance, or long-lasting.

Painting an Aluminum Outdrive

Outdrives are difficult to keep free of growth. The main reason for this is that traditional copper-based bottom paints cannot be used on an aluminum outdrive. Doing so will result in serious corrosion from the aluminum reacting to the copper in the paint.

Outdrive paint kitWhen painting an aluminum outdrive you must use a copper-free bottom paint. There are a couple of different brands out there. Interlux Trilux 33 (The most popular) , and Sea Hawk Smart Solution (The best). Trilux is the most popular for spray application.  However, the results are not as impressive as Sea Hawk Smart Solution   (available in pint size black as Outdrive Paint) that uses the newest metal free technology. You will get the best possible results with Smart Solution, and is becoming more and more popular as the best solution for painting an outdrive. It is also the best priced of the two, but is yet not available in an aerosol spray. You can get a quart and brush it on, or you can spray it with a conventional spray gun.

The Outdrive Paint shows best  results when paired with a primer such as Tuff Stuff or Bottom Paint Primer by Sea Hawk.  For spray options the Barnacle Blocker can be used alone or over coated with Smart Solution for improved protection. You can find our Outdrive Paint Kit for increased savings!

An alternative to painting is a foul release system, such as PropGlide.