
Painting the inside of a fiberglass canoe can be a fun project and a great way to restore your canoe. It's important to prepare the surface properly before painting to ensure the best results. This includes cleaning and sanding the canoe to create a smooth base, as well as repairing any major cracks or gouges with a gelcoat repair kit. Once the canoe is prepared, you can apply a minimum of two coats of paint, using a paintbrush and a small roller. It is recommended to use marine paint or a specialised boat paint for the job, and to always wear protective gear when working with paint and sanding materials.
Characteristics and their Values:
| Characteristics | Values |
|---|---|
| Preparation | Clean and sand the canoe, removing any stickers/decals with a knife or heat gun, and fill any deep scratches/gouges with a gelcoat repair kit or fiberglass/epoxy repair kit |
| Protection | Wear PPE, including a respirator, goggles, dust mask, and gloves, to avoid inhaling or exposing yourself to fiberglass dust |
| Paint Type | Marine paint, specifically topside marine paint for canoes that are not constantly in the water; UV-protective paint for composite canoes |
| Paint Application | Thin the paint by 10% using a thinner, apply with a roller and brush, and smooth out immediately; apply 2-3 coats, allowing 24 hours and sanding between coats |
| Weather | Work outdoors and check the forecast for clear, dry weather for painting and drying; move the canoe inside a garage or covered area overnight if needed |
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What You'll Learn

Preparing the canoe for painting
Preparing a fibreglass canoe for painting involves several steps to ensure the paint adheres properly and the canoe is protected. Firstly, it is important to work outdoors or in a well-ventilated area and wear protective equipment, including a dust mask, respirator, goggles, and gloves. Fibreglass dust is very harmful to your lungs and eyes.
Begin by inspecting the canoe for any major cracks, gouges, or deep scratches. These should be repaired with a gelcoat repair kit or any product available for this purpose. If the canoe has any stickers or decals, use a heat gun to remove them, and then use acetone or contact cement remover to get rid of any remaining adhesive residue. If the hull has been recently waxed, use a wax remover to ensure all traces of wax are gone.
Once the canoe is free of any major imperfections and contaminants, it's time to sand. Use 120-grit sandpaper to sand all the exterior surfaces that will be painted. This will smooth out the filled-in scratches and create a rough surface for the paint to adhere to. Sanding will also help remove any minor scratches, which will disappear once the canoe is painted.
After sanding, it is crucial to remove all the dust generated during the process. Use a tack cloth, a special type of cloth designed to pick up loose particles of dust, to wipe down the entire canoe. Ensure that the canoe is entirely free of dust before proceeding to the next step.
The next step is to tape off any areas you don't want to paint. Use masking tape to cover up the gunwales (the rims along the top side of the hull), end caps (the coverings at the front and back of the canoe), and any other metal or wood pieces along the hull. This will protect these areas from accidental paint splatters.
Finally, before painting, it is important to wipe down the entire area to be painted with the thinner recommended for the specific paint you are using. This will ensure the surface is clean and ready for the paint application.
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Choosing the right paint
If you are looking for a cheaper option and don't mind the canoe not lasting as long, regular paint will work. Some have used Rustoleum paint from Home Depot with success, though this may be a more temporary solution. One user on Reddit mentioned that their canoe lasted several years with a simple Rustoleum paint job.
If you plan on keeping your canoe for a long time, investing in a higher-quality marine paint is recommended. EZ-Poxy paint has been suggested by a well-known canoe builder and restorer and is available on Amazon. Interlux is another brand that manufactures good paint, although it may be more expensive.
When choosing paint, it is also important to consider the colour and finish you desire. Some people choose to paint their canoes in traditional colours such as green or tan, while others opt for more unique designs such as camo. A clear coat finish is also an option to consider, as it can provide additional protection to the paint job.
Additionally, it is worth noting that some paints may require a primer, while others can be applied directly to the surface. Reading the instructions on the paint carefully and consulting with a specialist if needed is always a good idea.
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Applying the paint
When you are ready to paint, make sure you are working in a clear, dry space, and that the weather will remain dry for the next couple of days. You can work outside or in a well-ventilated space. Remember to wear a dust mask, eye protection, and gloves when sanding and painting.
Firstly, fill any deep scratches and gouges with a gelcoat repair kit or any product available for this purpose. Once all scratches are filled and patched, sand them smooth. Remove any old stickers or decals with a utility knife or heat gun, then remove any adhesive residue with acetone or contact cement remover. If your hull has been waxed recently, remove all traces with a wax remover. Sand all exterior surfaces to be painted with 120-grit sandpaper. Tape off the gunwales and end caps with masking tape. The gunwales are the rims along the top side of the hull, and the end caps are the coverings at the front and back of the canoe.
Next, thin the paint by 10% using a thinner. Work in areas of about 2 ft (0.61 m) in diameter and apply paint using a roller. Carefully apply paint to areas not accessible to the roller (around the gunwales and end caps) using a paintbrush. After 24 hours, re-sand the canoe with 120-grit sandpaper, wipe it down with a tack cloth, clean it with a cloth and thinner, then apply a second coat of paint using the same method as the first. You can repeat the process for a third coat if you are unhappy with the finish.
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$35.73

Drying and curing
After applying the first coat of paint, it is crucial to allow it to dry for a full 24 hours before proceeding. While the paint may feel dry to the touch within 1 to 2 hours, it is not ready for recoating at this stage. After 4 to 6 hours, the paint will be dry enough to handle, and you can carefully move the canoe to a covered storage area if needed. However, it is important to follow the manufacturer's instructions for the specific marine paint used, as drying times may vary.
Once the first coat has dried sufficiently, it's time to prepare the surface for the second coat. Lightly sand the entire canoe using 120-grit sandpaper or an orbital sander with a 120-grit sanding disk. This process creates a rough texture that enhances the adhesion of the second coat. Remember to wear a dust mask to avoid inhaling paint or fibreglass particles during sanding.
After sanding, use a tack cloth to thoroughly wipe down the canoe, removing any dust or debris. Follow this by cleaning the surface with a cloth dampened with the appropriate thinner for your chosen paint. This step ensures that the surface is free of any contaminants that may affect the paint's adhesion.
Now, you can apply the second coat of paint. Just like the first coat, allow it to dry for a full 24 hours. The second coat provides added protection and ensures a more uniform finish. If you plan to apply additional coats, follow the same drying and recoating process for each subsequent layer.
Finally, even after the paint feels dry to the touch, it is important to wait at least 48 hours before putting your canoe in the water. This extended curing time ensures that the paint is fully cured and capable of withstanding the conditions it will encounter during use. The curing process not only hardens the paint but also allows for proper bonding with the fibreglass surface, resulting in a long-lasting and resilient finish.
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Finishing and maintenance
Once you have applied the first coat of paint, you will need to let the canoe dry overnight. After 24 hours, re-sand the canoe with 120-grit sandpaper, then wipe it down with a tack cloth. Clean the canoe with a cloth and a thinner, and then apply a second coat of paint. You can repeat the process for a third coat if you are not happy with the finish. Two coats are usually enough.
After painting, it is important to maintain your canoe to ensure its longevity. Make sure to store it in a covered area, out of direct sunlight, and protect it from the elements. You can use a clear coat to finish the canoe, which will provide an extra layer of protection.
It is also important to regularly clean your canoe, especially after each use. Rinse the canoe with fresh water and use a mild soap or boat cleaner to remove any dirt or grime. Avoid using abrasive cleaners or scrubbing pads, as these can damage the paint.
If you notice any scratches or gouges in the paint, repair them as soon as possible. Use a gelcoat repair kit or a fiberglass repair kit to fill and smooth over any damage. For minor scratches, simply sanding and repainting the area may be sufficient.
Finally, consider adding a UV protectant to your paint to prevent fading and degradation, especially if your canoe will be exposed to direct sunlight for extended periods.
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Frequently asked questions
You will need a gelcoat repair kit, marine paint, a paintbrush, a small paint roller, masking tape, a utility knife, acetone or contact cement remover, sandpaper, a tack cloth, and a dust mask and protective eyewear.
First, use a utility knife to scrape off any old stickers or decals. Then, remove any remaining adhesive with acetone or contact cement remover. Next, fill any deep scratches and gouges with a gelcoat repair kit. Once dry, sand the surface smooth and wipe down with a tack cloth to remove any dust. Finally, tape off any areas you don't want to paint with masking tape.
It is recommended to use marine paint or topside paint, which is designed for surfaces that are constantly alternating between wet and dry and exposed to large amounts of UV rays. You can also use Rustoleum paint, which is a cheaper alternative.
Thin the paint by 10% using a thinner, then roll out a 2 ft. x 2 ft. area with the roller. Smooth out the area immediately with a brush. Carefully apply paint to areas not accessible to the roller, such as around the gunwales and end caps. Allow the first coat to dry overnight, then re-sand the canoe, wipe it down with a tack cloth, and apply a second coat of paint.
Yes, it is important to wear a dust mask and protective eyewear when sanding the canoe to avoid inhaling paint or fiberglass particles, which can be harmful to your lungs and eyes. You should also wear gloves to protect your hands. Additionally, make sure to work in a well-ventilated area or outdoors.








































