Best Paint for Fiberglass Boat

10 Best Paint for Fiberglass Boat reviews [2021]

Buying the best paint for a fiberglass boat can be somewhat confusing, right? Especially where there are a lot of colors out there in the market.

However, if you know your stuff and understand what you are looking for, buying the paint may be more comfortable. First, you'll have to determine the purpose you want the paint. Then choose one which will serve that purpose the best.

In this article, I'll provide you with a list of 10 best paints for using your boat's fiberglass. It doesn't matter whether you are a non-professional or a professional; all of these ten points can serve your painting purposes. So, you should not get puzzled, seeing hundreds of paints in the market as you are guaranteed to get the best one if once you follow my guide.

Moreover, I recommend that you read through the full review before deciding which one you will buy. Paints come at a different color, quality, and price. Unless you go through the full report, you won't understand which one will truly satisfy your requirement.

What is fiberglass boat paint?

Fiberglass boat paint is a type of special paint. The producers generally produce it for boat exposure. It is a type of renowned product for being outstanding on fiberglass objects. The producers usually develop it for coating on boats or vessels.

The paint is highly durable and resistant to rough weather conditions. You can typically use it to unpainted fiberglass boats. It is a well-known interior water-resistant paint around the world.

What are the different types of fiberglass boat paints?

Let’s now explore the type of paint would you use to paint? 

Single Part Paints

Included in these are in the shape of polyurethanes that might be auspiciously implemented in a manual technique. We know such a program procedure as rolling and tipping.

This technique works by one individual rolling onto the paint while another individual is cleaning outside or hammering the paint with the assistance of a sterile brush’s suggestion.

Whether this technique is achieved correctly, this works well, just like spraying. Take note that excellent thinning is very crucial to lead to a smooth task.

Double-Part Paints

Likewise, This Type of Paint may be sprayed. But it’s crucial to make sure the spray goes, and some items that will not be painted must be correctly masked off.

Occasionally, the equipment can also be rented. We highly commend these to be the most outstanding paints regarding gloss retention and sturdiness. They are rather thin and especially require several coats. But these are hardened to quite a sturdy finish that is capable of supplying long-standing support.

Additionally, the majority of these paints are produced for various professional applications and uses. A number is poisonous and stringently calls for spray booth and positive pressure mask if implementing the painting project. And, this really is illegal to be performed at home.

Consistent with this, a number of those paints were devised to be applied through just rolling and tipping. A good deal of manufacturers has created water-based two-part paint methods that might be tidied up using water.

It’s worth considering that suitable strand preparation for these kinds of paints is much more inflexible when compared with one-part paints, mainly because of the thinness of every jacket. Paint can’t conceal the Impurities; for truth, this could only emphasize them.

If you do not have patience or time to read through the full guide, I want you to get back. The best paint I can suggest for you to buy right now would be the Interlux YBB359/1 Fiberglass Bottomkote NT Antifouling Paint.

In this fiberglass paint review, I'm going to show all the features these paints offer to their owners. Lastly, I'll review my opinion if you should invest your money in this paint or not.

Here are the ten best fiberglass paints you can choose to paint your boat. So, let's get started with our review.

best fiberglass boat paints Product Chart

Prices pulled from the Amazon Product Advertising API on:

Interlux YBB359/1 Fiberglass Bottomkote NT Antifouling Paint - Green, Gallon

Interlux YBB359/1 Fiberglass Bottomkote NT 

Key Feature :

  • It contains a dual resin technology
  • Durable, and fast-drying antifouling paint
  • Hugely usable on the underwater areas of fiberglass
  • Also usable in fresh, salty and brackish waters.
  • The paint dries up fast
  • It ensures clean, stable colors and adequate season-long protection

We have decided to keep Interlux YBB359/1 Fiberglass Bottomkote NT Antifouling Paint on the first choice on our list. It contains a dual resin technology that provides a universally durable and fast drying antifouling paint. It offers the benefits of both hard and ablative antifouling paints for use on all power and sailboats.

The manufacturers recommend the Fiberglass Bottomkote to use on the marine areas of fiberglass, wood, and properly primed metal (except aluminum) boat hulls. You can also use it in fresh, salty, and brackish waters.

The universal formula of Fiberglass Bottomkote NT has more extended durability than traditional hard paint but has a slow polishing mechanism. It continuously smoothes and renews the active surface avoiding massive paint layers like an ablative paint.

As the paint dries up fast, you can paint and launch the boat on the same day. Fiberglass Bottomkote NT ensures clean, stable colors and adequate season-long protection.


  • An economical alternative for all sails and powerboats and all waters
  • Helps to maximize the benefits of offensive and hard paints
  • Good value for money
  • Guarantees instant wear and great coating that prevents tears
  • Easy rolls


  • Less shiny

TotalBoat Wet Edge Marine Topside Paint for Boats, Fiberglass, and Wood

TotalBoat Wet Edge Marine Topside Paint is in second place on our list. It ensures to get a hard, high-gloss finish with superior resistance to UV damage, abrasion, and stains.

It's also flexible enough to resist all the movement (flexing, expansion, contraction) hulls & other topside surfaces. It can also undergo the ever-changing weather conditions, making it very flexible & durable.

There are a lot of colors that can please almost everyone: (Top to bottom) Sand Beige, Kingston Gray, Flag Blue, Bristol Beige, Fighting Lady Yellow, Blu-Glo White, Sea Foam, Black, Sea Green, White, Fire Red, Largo Blue, Yellow, Hatteras Off-White, and Classic Whaler Blue.

If you want to get your expected color, you can blend different Wet Edge colors to create your own. We prefer Wet Edge for its high-gloss finish, but a few colors are also available in a flat finish.

Moreover, you can use TotalBoat marine-grade paints & varnishes for your home that ensure durability and elegant finishes. The excellent finishing makes your front doors, trim, and outdoor furniture good looking.


  • Providing maximum protection against harsh weather, UV, salt water, pollution, etc.
  • Can guarantee an elegant and strong finish 
  • avail in two formulations that keep wet edges at different temperatures
  • It ensures to get a hard, high-gloss finish with superior resistance
  • Can undergo the ever-changing weather conditions


  • Little bit costly
  • Slightly long waiting time for orders

Rust-Oleum 207004 Marine Topside Paint, Bright Red, 1-Quart

We have included Rust-Oleum 207004 Marine Topside Paint in the third place on our list. The manufacturers make it from a modified alkyd, which allows for a flexible coating durable in extreme weather conditions. It is also highly resistant to cracking, chipping, and peeling.

Rust-Oleum marine coatings topside paint offers long-lasting protection and a brilliant finish on fiberglass, wood, or metal above the waterline.

Also, it provides gloss retention and UV resistance in extreme weather conditions. It contains a flexible formula, and so it is easy to apply the paint.

You can easily paint it with a roller. It is highly suitable for small pleasure crafts, including speedboats, sailboats, and fishing boats, for its excellent color retention and UV protection. As the paint is sticky enough, so before applying, you must use a glove to avoid glue.

The paint is considerably cost-effective, and so you should not bother about it. Avoid application in direct sunlight and start early enough so that the paint dries up before the sunsets.


  • Durable in extreme weather conditions
  • Oil-based paint which makes it easy to apply and flexible
  • Ensures tough coating that keeps extreme weather and friction away
  • Practical for metal, wood, or fiberglass above the waterline
  • faster dries and can cover up to 100 square feet
  • Guarantees long-lasting ultraviolet protection


  • The paint is considerably cost-effective
  • Comes with a strong odor

TotalBoat TotalBilge Paint White Gallon

We have decided to keep TotalBoat TotalBilge Paint on our list of choices. Total Bilge is an epoxy-based Bilge paint you can use to protect Bilge, bulkhead, and locker areas. It can undergo harmful marine elements like heat, humidity, mildew, grease, and grime.

You can easily apply this 1 part paint that provides superior coverage with a hard surface finish. It does not allow stain or mildew. If you decide to choose Grey or White one, you will find them in quart and gallon.

Keep in mind that a hard-wearing finish is necessary to prevent oil and sludge from being absorbed into and damaging wood or fiberglass.

TotalBoat TotalBilge Paint White Gallon

Key Feature :

  • An epoxy-based Bilge paint
  • Protect Bilge, bulkhead, and locker areas
  • Provides superior coverage with a hard surface finish
  • Struggles against oil, and sludge from being absorbed
  • Much suitable for engine rooms, chain lockers, and other wet areas

There are some regular marine paints marketed as being suitable for bilges are not up to the task.

Total Bilge's high-performance alkyd resin finish offers a hard rock surface that lasts for years. It's much suitable for engine rooms, chain lockers, and other wet areas on aluminum, steel, and wooden boats.


  • Durable from acids, solvents, moisture, alkalis, and oils
  • The application is a breeze, can cover a large area, and can dry quickly
  • Guarantees a firm and rigid finish, which is not risky to lift
  • Cleanup is a child's play and prevents germs or stains


  • Formulated with very high VOC
  • Very difficult to clean once

Duralux M720-4 Marine Paint, White Boat Paint, 1 Quart

We have included Duralux M720-4 Marine Paint on our product list. Duralux Aluminum Boat Paint is a vinyl-type coating that you can use on aluminum and galvanized surfaces.

As the manufacturers initially design Duralux for commercial & pleasure boats, its coat has expanded to include most onshore and offshore applications where we need marine grade protection from harsh exposures.

Besides, you can use it on equipment, onshore and offshore oil rigs, bridges, tanks, and most other structural objects. Duralux offers a complete line of high-performance products from coal tar epoxy to marine spar varnish that we regard as the industry standard.

Duralux M720-4 Marine Paint, White Boat Paint

Key Feature :

  • It is a vinyl-type coating
  • Usable on aluminum and galvanized surfaces
  • It can fight against rust and corrosion
  • It has excellent adhesion qualities
  • You can wash the paint easily

It can fight against rust and corrosion under moderate exposure to salt water, fuel oils, and harsh cleaning solutions.

It has excellent adhesion qualities that eliminate priming, deducting almost half of your labor. You can wash the paint quickly, and it resists oil, gasoline, and discoloration from harbor gases. Different colors of Duralux in the market can satisfy the most discriminating boat owner's eye.


  • For commercial or private boats
  • Also used in tools and oil rigs
  • Prevents rust and corrosion
  • Use on most structural objects
  • Professional quality marine paint


  • Does not act as an antifouling paint
  • It may take more coating

TotalBoat JD Select Bottom Paint

TotalBoat JD Select Bottom Paint is also a Product that we have decided to keep on our list. It is a water-based ablative antifouling Bottom paint that contains a medium copper biocide load to prevent barnacles for a full season from making your hull their home.

The producers have designed it to help shed slime while preventing paint buildup on the surface.

It is effortless to apply the paint by brush, roller, or spray. It contains a unique water-based formula that ensures easy cleaning with soap and water.

It is much suitable for you and better for the marine environment. Its medium copper content keeps barnacles away just with a single coat in low to moderate fouling waters.

TotalBoat JD Select Bottom Paint

Key Feature :

  • Ideal paint for fiberglass and wooden boats in salt and freshwater
  • Because of its high-solids content, one coat is good enough for full-season protection
  • Easy to apply the paint by brush, roller, or spray
  • It doesn't stink like solvent-based Bottom paint
  • Ensures easy cleaning with soap and water

Since TotalBoat JD Select has low VOCs and low odor, it doesn't stink like solvent-based Bottom paint. Moreover, because of its high-solids content, one coat is good enough for full-season protection.

It is an ideal paint for fiberglass and wooden boats in salt and freshwater.


  • ALow VOC and Top quality water-based marine paint
  • Can be easily implemented with the right tools
  • Capable of covering about 400 square feet per gallon
  • Offers anti-fouling solder for both wooden and fiberglass boats in freshwater and saltwater
    • Vessels can be started for up to a year and a half after application


  • May be less quality for trailer boats

RTG Deck, Porch, Patio Anti-Slip Paint (Quart, Light Gray)

We have also decided to keep RTG Deck, Porch, and Patio Anti-Slip Paint on our list. RTG Deck, Porch, & Patio Anti-Slip Paint are available in four neutral shades of Sand, Light Gray, White, or a rich, Clear/Amber.

RTG Deck, Porch, & Patio Anti-Slip Paint has a softer non-slip texture, and the cost is under your reach. All RTG products provide excellent results and very easy to apply.

You can decorate your furniture according to your intention with its reliable coverage and scuff resistance. RTG Deck, Porch, & Patio Anti-Slip Paint can make your outdoor spaces beautiful, easy, and affordable.

RTG Deck, Porch, Patio Anti-Slip Paint 

Key Feature :

  • Fast-drying, textured paint provides an attractive finish
  • Secure footing on exterior surfaces
  • Great for decks, porches, patios, stairs, ramps, and much more
  • Withstands heavy foot traffic and harsh weather
  • Easy to apply brush or roller

You can easily apply this fast-drying, DIY-friendly paint with a brush or roller and cleans up easily with soap & water. Moreover, its eco-friendly, low-VOC formula has very little odor, so you can undoubtedly use it in your living spaces outdoors or indoors.

It makes the surfaces not only beautiful but also slip-resistant even when the cover is wet.


  • Quick-drying, textured paint provides a smooth finish
  • Easy to apply by brush or roller
  • Durable withstands heavy traffic and harsh weather.
  • Eco-friendly, low-VOC, low-odor,
  • water-based polyurethane formula


  • A little harder to clean

Interlux Y4359/QT Brightside Polyurethane Paint - White, Quart

We have also included Interlux Y4359/QT Brightside Polyurethane Paint on our list. It is one of the eminent and high-performance yachts and marine coating. It began its journey in 1881. It offers the highest care for all kinds of vessels and is an integral part of boat building and maintenance.

It supplies high-performance boat paint, yacht coating, and marine products. It has gained much reputation for manufacturing the highest quality finishes in boat building and maintenance.

Nowadays, Interlux offers a wide range of products to make your marine application easy. Interlux Brightside Polyurethane is the most technically advanced one-part polyurethane coating.

It contains unique additives that ensure cleaning more comfortable and help reduce stains and abrasion.

Interlux Y4359/QT Brightside Polyurethane Paint - White

Key Feature :

  • High gloss, one-part polyurethane finish
  • Excellent flow and leveling characteristics create a smooth finish
  • Hugely useful for use above the actual waterline
  • Fluro Micro-additive formula helps easy cleaning
  • Suitable for use on hulls, decks, exterior/interior cabins and trim

It also offers excellent application on surfaces above the waterline.

For assuring high-gloss retention, Brightside contains Poly flow 4000 resins and surface stabilizers. It also resists the stain and provides added abrasion resistance. Interlux Brightside is highly suitable for hulls, decks, exterior/interior cabins, and trim.


  • A1 single package manufactured as polyurethane
  • Fluoro is formulated with microdactives that increase stain resistance
  • Great, even and can guarantee a well-polished finish
  • Don't feel tired to clean
  • Able to run smoothly


  • It may take several coats

Tropikote Bottom Paint Sea Hawk

Tropikote Bottom Paint is one of the products that we have kept on our list. The Sea Hawk Tropikote is a type of hard antifouling Bottom paint that contains over 75% cuprous oxide. The producers design it to fight against any water condition. You can use it undoubtedly for over-coating.

It contains a better color consistency that helps you in color matching. Also, it possesses a Consistent viscosity that ensures better flow and rolling ability of the paint. It offers a soft finish that protects various damages due to the sun, water, and salt spray.

Tropikote Bottom Paint Sea Hawk

Key Feature :

  • A type of hard antifouling Bottom paint
  • Designed to fight against any water condition
  • Contains a better color consistency
  • It possesses a Consistent viscosity
  • Excellent adhesion to fiberglass, wood and steel hulls

If you want to get a flawless gloss that can endure rough weather, it would be perfect. It can obviously ensure you a bright, beautiful, and shiny finish. Besides, it combats aggressively against all types of fouling and reduces hull maintenance with year-round trouble-free performance.

Moreover, it offers excellent adhesion to fiberglass, wood, and steel hulls. Since the paint is compatible and adequately prepared for hard Bottom, it ensures safe overcoating without fear of lifting.


  • The perfect choice if you like great coverage and incredible durability
  • Especially manufacture with corrosion-resistant and quick-drying properties
  • Chromate can be formulated to stay free and applied below the waterline
  • It is known for its exceptional loyalty features


  • Very dense, so it needs to be especially thin
  • Dries fairly quickly

Durabak Marine Liner Kit - DIY Wood, Fiberglass Boat Paint

Durabak Marine Liner Kit is one of the products that we have kept on our list. The manufacturers typically design it to bond wood, metal, concrete, fiberglass, aluminum, and painted surfaces.

You can generally use it to coat and protect everything from Decks to Docks to Floors, to T-tops, to cabins, and engine rooms where you don't want to slip.

It ensures a superb coating for boat decks, boat interiors, vehicle exteriors, and many surfaces that make sure powerful protection against the harmful elements. You can generally apply it with a brush, roller, or spray. Your boat may get hurt in time of usage, and it may cause any amount of damage.

Durabak Marine Liner Kit - DIY Non-Slip Deck Floor Coating

Key Feature :

  • Tightly bond wood, metal, concrete, fiberglass, aluminum,
  • Make powerful protection against the harmful elements
  • Applicable with a brush, roller, or spray
  • Can reduce wear and tear and preserve your boat for a long time
  • More powerful than an ordinary surface coating

Durabak can reduce wear and tear and preserve your boat for a long time. It can also protect and secure everything from commercial ship decks, ramps, catwalks and loading docks to smaller fishing boat interiors, and so on.

Durabak is more powerful than a conventional surface coating. The first coat removes the roughness and second coat smoothen the surface but provides ultimate slip-resistant.


  • Protect your boat or seafaring vessel from rust
  • Designed for maximum usability
  • Durabak smooth and textured finishes are MIL-SPEC


  • Little bit costly

Why do you need to paint a fiberglass boat? 

Typically, the boat owners use paint to their boats for various reasons. The boat owners' primary objective is to apply the best color to provide the most cherished vessel.

Nowadays, as ships are rather expensive, we recommend you to purchase the right products, tools, and equipment to ensure their safety and longevity. A renowned paint contributes significantly to safeguarding the materials in your vessel.

It helps restrain mold and mildew accumulation and avoids water leakage onto the boat hull. Moreover, it makes the fiberglass look more glossy and impressive. Furthermore, it makes your vessel more attractive and expensive.

Why do you need paint for fiberglass boat? (Benefits)

Taking good care and care for your fiberglass vessel is difficult. It might really be rather demanding, expensive, and hard at precisely the exact same moment. However, because your most precious vessel is just one of the resources of your joy, it’s only right that you supply it with the essential protection it deserves.

In the end, doing the painting or repainting job will help you to protect your boat from whatever can lead to critical harm to it.

If you aspire to spend more pleasure and thrilling occasions together with your own fiberglass boat, then you want to think about repainting or painting it today.

The main reason it is extremely sensible and helpful to revive your fiberglass vessel by repainting or painting is that you can appreciate a lot of advantages in the long term. Doing this will help you and your fiberglass vessel in a lot of such as:

Give your fiberglass vessel a fresh appearance, allow it to increasingly more durable, and be protected by different environmental components, rust, and other environmental attacks, which could cause serious damages.

Make boat maintenance and care a less stressful endeavor that you take care of.

Expand the life span of your ship and increase its own performance.

Help tocreate your fiberglass boat seems in its best and very different from its previous appearance and fashion.

How to paint a fiberglass boat

All types of paintings do not require the same procedure. Fiberglass boats look tremendous, and their Gelcoat usually works as a resistance.

If you use your boat for a long time, it gets rough, and in some cases, it may undergo different types of injuries. In the situation, you need to paint them to restore their shiny look.

If you want to do it yourself, you have to have much patience because it will take some time. Before starting, you should check the hull, and if there are any cracks or holes, you must repair them using putty. You have to include the sanding phase also in this preparation process.

The second step is to apply an epoxy layer to strengthen and protect the fiberglass surface. Apply the primer layer after drying the epoxy layer, wait until it dry, and then sand the surface. Eventually, start painting the boat using ablative anti-fouling paint.

Before painting the boat, you have to take some preparation. Initially, it may take your time to prepare, but it will save your time and money in the future. The followings are the essential options for preparations-

Step 1: Clean the boat thoroughly

You should do it every time whenever you take the boat out. You have to use a high-pressure hose, some rags, and even a scrapper. Whenever you clean the boat, you should rinse it thoroughly.

Never allow soap to stay on the boat. Moreover, if you want to use Durabak, you'll have to wash down the surface with a non-chlorinated household detergent, such as Spic N Span.

Step 2: Remove all hardware

You should try to remove all equipment to ensure a smooth and clean paint job. If you fail to remove something, cover it with painter's tape to protect it.

Step 3: Use a solvent to remove the wax coating

If you find the waxy finish on your boat, you must attempt to remove it before painting. Typically, paint does not stick to a slippery surface.

Step 4: Repair the boat's surface

You have to repair the boat's surface if there are any cracks, nicks, or corrosion. In this case, you need to fill any holes with a marine-grade epoxy, which can find most hardware stores.

Step 5: Sand the boat

80-grit sandpaper is suitable to sand the boat's surface. At first, you have to remove all the old paint. If you wish to use Durabak boat paint, stick to roughing up the fiberglass surface with 40-grit sandpaper instead. 36-grit sandpaper is good enough for the areas with epoxy.

What are the most trusted boat color brands?

Remember, the excellent result of the paint job will completely depend on the type of paint you use to get the job done.

So, if you don’t want your hard work and money to be wasted, try investing it in high-quality boat paint.

Fortunately, the brands below are just a few incredible options that can help you get the job done in a good way.

  • Rust-Oleum
  • TotalBoat
  • Interlux
  • Flexdel

Closing Word

There are a lot of people who are looking for the best paint for Fiberglass Boat. That is why I would like to provide you with all the necessary information to make the right choice.

Whatever your purpose is, you should choose the right type of paint to give you satisfaction in painting activities. They come up with different qualities, colors, and actions. But remember that all kinds of paints do not equally suit for your expected purposes.

However, I have reviewed some of the best paints available on the market, and we hope you will find the information useful. If you ever decide to purchase one of these paints, it will help you decide which one would be suitable.

If you find this information helpful, please spread the good news with your family and friends in making a perfect choice.

What do you paint a fiberglass boat with?

Before painting, you have to scuff up the epoxy with 36-grit sandpaper. If you don't want to use a primer, you can wipe down the surface with Xylene (aka Xylol - more info here). You should mix your paint according to the direction of the manufacturer. Finally, you can apply the first layer with a paint roller.

Can you spray paint a fiberglass boat?

It is not so much different to paint fiberglass boats than painting wooden boats. The main difference is the type of paint you'll use and a few details in the prep and application. You can attain the best finish by professionals who spray on the color, rather than applying it with a brush and roller.

Do you need special paint for fiberglass?

Unlike wood, fiberglass surfaces are nonporous that make them unsuitable for spray paint adhesion. Before spraying paint on any type of fiberglass surface, you will have to take specific preparation techniques to suit the fiberglass to accept color, or the finish will peel soon after application.

What is the best paint for Fibreglass?

Acrylic paint adheres well to fiberglass than most other colors. It can overcome the main challenges of painting this material. Acrylic paint does not crack and blister easily and hold up well to cleaning. Moreover, it is effortless to apply this water-based paint, and it contains fewer chemicals. So, it is environmentally friendlier.

What type of paint to use on a fiberglass boat?

You can use two types of paint on a fiberglass boat; one part polyurethane and two-part polyurethane. One part of polyurethane is perfect for the DIY project. You can apply it merely with a paint roller and a foam brush or spray. On the other hand, if two-part polyurethane is thin, it may require multiple coats, but it ensures the most durability and highest gloss retention.

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  1. I wanted the use this total marine topside paint on my 21 foot boat trailer simply because it had the color that I wanted (sea foam) and I had used this product before on boats and I love it. I first primed the trailer using the total boat top side primer adding the brushing thinner to it. Then into the paint I used the total boat wet edge adding the brushing thinner. I applied two coats. The paint looked amazing! I wanted to give the trailer an extra layer of protection so I put one coat of por 15 2k urethan clear over top. So far Iv been very happy with the results!

  2. The TotalBoat Wet Edge marine paint amazed me with its ease of application. Despite the excruciatingly long drying time, the wait was well worth it because this best paint for fiberglass canoe would leave a glossy, colorful, and highly damage-resistant finish.

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