Best Bottom Paint For Trailered Boats – Top 5 Bottom Paint Options In 2021

Best Bottom Paint For Trailered Boats

Paint is usually considered aesthetic but not many people realize that it has greater functionality. In fact, it is a protective layer that acts as a safeguard, avoiding damage and signs of aging on the surface. This is why choosing the right paint for your trailered boat is important.

Best Bottom Paint For Trailered Boats

Whether you are looking to paint the exterior or the bottom part, you have to be careful about the paint you pick. In this article, we will walk you through the process of picking one for the bottom.

Best Bottom Paint For Trailered Boats – Buying Guide

The bottom of a trailered boat sees a lot of wear and tear. It also has to endure marine buildup and other fouling factors. All these reduce the performance of the boat, leading to a decrease in fuel efficiency. Regular maintenance of the bottom involves painting it with high-quality paint that can take care of these problems effectively. Here’s a buying guide that will help you in this regard:

  • Learn about the different types of paint
    • Hard modified epoxy
    • Thin film
    • Water-based
    • Vinyl
    • Aluminum-safe
    • Copolymer ablative
  • Choose based on the environment your boat is usually exposed to – freshwater or saltwater
  • How much fouling do you see on your boat? Is it only algae or do you see barnacles and other marine organisms too? 
  • Is the paint compatible with the material of your boat? Most paints are suitable only to certain types of surfaces such as aluminum, wood, and fiberglass. Choose the one that meets your boat’s requirements.

Best Bottom Paint For Trailered Boats – Editor’s Choice

We have now reached the most exciting part of the article – the top 5 choices! All these have the seal of approval from our experts, which means you can buy any of these without stress or fear.

1. Rust-Oleum Available 207012 Boat Bottom Paint

Rust-Oleum never fails to impress. It is a leading brand when it comes to paints and that is why it is sitting securely on top of our list. Let’s explore its features:

  • Rust-Oleum Available 207012 Boat Bottom PaintIt is suitable for steel, wood, and fiberglass surfaces.
  • The paint prevents fouling with the help of slow release copper.
  • 1-quart of this paint is enough to cover a surface area of 1100 square feet. You can apply a second coat after 4 hours. For it to completely dry, it takes 16 hours.
  • It creates a protective layer against algae, barnacles, etc.
  • The paint has been formulated to suit both freshwater and saltwater.
  • If you use your boat regularly, this boat bottom paint is perfect for you.
  • It does a wonderful job of removing moderate fouling.
  • Good for freshwater and saltwater
  • Excellent anti-fouling properties
  • Easy to apply
  • Packaging is usually messy



2. TotalBoat JD Select Ablative Anti-fouling Bottom Paint

TotalBoat has paints in various colors for you to choose from. It has been formulated for steel, fiberglass, and wood surfaces. Its specifications are as follows:

  • TotalBoat JD Select Ablative Anti-fouling Bottom PaintThis is a hybrid paint film that keeps barnacles and algae away from the bottom of your trailered boat.
  • It has a self-polishing coating that wears slowly with time, reducing your work in the next season.
  • The durable finish allows smoothness and ensures high fuel efficiency.
  • This is a water-based paint with low VOC content and no toxic fumes. You can clean it up quite easily with soap.
  • You can use a roller spray or brush to apply the paint.
  • With a gallon of this paint, you will be able to cover an area of 500 square feet.
  • Ideal for freshwater and saltwater
  • Easy to apply and clean
  • Prevents corrosion
  • Only single-season protection


3. Duralux M749-1 Marine Paint

best bottom paint for trailered boatsDuralux is a marine paint and varnish combo appropriate for pleasure boats and commercial boats. Below are reasons why you should purchase it:

  • Duralux M749-1 Marine Paint (1)You can use it not just on the bottom but also on the onshore oil rig, tanks, bridges, equipment, etc.
  • It is resistant to rust and corrosion.
  • This enamel paint can withstand moderately harsh cleaning conditions, saltwater, and fuel oils.
  • It enhances the overall appearance of the hull while protecting it at the same time.
  • You will get a smooth finish, making your boat look as good as new, thanks to its alkyd formulation.
  • Protects against most damages
  • Quite thick – a gallon can cover around 3 average-sized boats
  • Does not have anti-fouling properties
  • Can be difficult to apply because it needs a thinner


4. TotalBoat Underdog Marine Anti-fouling Bottom Paint

This is another TotalBoat product for the bottom of trailered boats. However, this only works well on fiberglass surfaces. Here is more information:

  • TotalBoat Underdog Marine Anti-fouling Bottom PaintIf you are looking for full-season protection, this is the paint to go for.
  • It has superior anti-fouling properties and is perfect against all marine organisms. It also prevents paint build-up.
  • Its durable finish can even handle bleaching, automatically making it better than standard ablative paints.
  • You can use a brush or a roller spray to apply this paint. It is a simple process.
  • With 1 gallon paint, you can cover around 500 square feet.
  • It is a good choice for fiberglass, steel, and wood boats.
  • Sturdy and durable – ideal for regular to heavy use
  • Value for money
  • Spraying the paint is a tedious process because it needs the addition of xylene
  • Will not last for more than 2-3 years


5. Petit Copper Bronze Hard Racing Paint

Petit Bottom Paint is a hard racing variation formulated for cruisers, runabouts, sailboats, and hulls. It comes with the following features:

  • Petit Copper Bronze Hard Racing PaintIt is a non-anti-fouling paint that works to give you a glossy and smooth finish.
  • It is predominantly a freshwater paint but you can use it on dry sailed boats in saltwater as well.
  • The paint is recommended for steel, wood, and fiberglass surfaces only. You can also use it on bare surfaces.
  • It has copper flakes for pigment. We advise that you mix it well before use so that the flakes spread evenly.
  • It allows different application methods including spraying, rolling, and brushing.
  • Best for dry sailed boats
  • Gives a high gloss and smooth finish
  • Not anti-fouling
  • Not for aluminum boats



Each of the paints above has specific characteristics that will make the decision process easy for you. You can compare the choices and cross-reference your needs to decide. All the best!

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