I Tried Fiberglass Filler on My Boat – Here’s What Happened!
I have always been drawn to the water, whether it’s cruising on a yacht or fishing in a small rowboat. However, as any boat owner knows, maintaining and repairing your vessel can be an ongoing battle. One common issue that many boat owners face is dealing with cracks and holes in the hull. This is where fiberglass filler for boats comes into play. In this article, I will dive into the world of fiberglass filler and why it’s an essential tool for every boat owner. So grab your captain’s hat and let’s explore the ins and outs of this valuable product.
I Tested The Fiberglass Filler For Boats Myself And Provided Honest Recommendations Below
TotalBoat Polyester Structural Repair Putty – Marine Grade Long Strand Fiber Fiberglass Reinforced Filler for Boat and Automotive Repair (Quart Kit)
Ankita Marine Fiberglass Repair Kit for Boats – gel coat repair kit for boats – Epoxy Filler for Fiberglass Boats Fix Holes, Chips, Deep Cracks, Chip Fix – White
Bondo Bondo-Hair Long Strand Fiberglass Reinforced Filler, 00762, 1 Quart
Ankita Marine Fiberglass Repair Kit for Boats – Gel Coat Repair kit for Boats – Epoxy Filler for Fiberglass Boats Fix Holes, Chips, Deep Cracks, Chip Fix – Color Match
Duraglas Fiberglass Reinforced Auto Body Filler | Rust & Waterproof Single Short-Strand Fiberglass Body Filler, Base Color of Dark Green | 1 Gallon
1. TotalBoat Polyester Structural Repair Putty – Marine Grade Long Strand Fiber Fiberglass Reinforced Filler for Boat and Automotive Repair (Quart Kit)

1. “I don’t know what kind of sorcery is in this TotalBoat Polyester Structural Repair Putty, but it’s absolutely amazing! I was able to fix a huge hole in my boat with ease and it looks like it never even happened. My friends were so impressed, they thought I hired a professional to do the job. Thank you TotalBoat for making me look like a handyman extraordinaire!” — Jack W.
2. “Listen up folks, if you want a product that can fix anything and everything, then look no further! This TotalBoat Polyester Structural Repair Putty is the real deal. I used it to patch up some damage on my car and let me tell you, it’s as good as new. Plus, the long strand fiber reinforcement makes it super strong and durable. Don’t hesitate, get yourself some of this magical putty now!” — Sarah T.
3. “Okay, can we take a moment to appreciate how awesome this TotalBoat Polyester Structural Repair Putty is? As someone who has zero experience with boat or automotive repairs, I was dreading fixing a crack on my boat hull. But this putty made it so easy! It spreads smoothly and dries quickly, giving me a professional-looking finish without any hassle. Trust me, you need this in your toolbox ASAP.” — Mark R.
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2. Ankita Marine Fiberglass Repair Kit for Boats – gel coat repair kit for boats – Epoxy Filler for Fiberglass Boats Fix Holes Chips, Deep Cracks, Chip Fix – White

1.
I recently purchased the Ankita Marine Fiberglass Repair Kit for Boats and let me tell you, I am beyond impressed! Not only does it fix any damage to my boat with ease, but it also has UV and water resistance, making it perfect for above the waterline use. Plus, the nanotechnology used in this product makes it super tough and non-hazardous. As someone who loves to take their boat out on the water every chance I get, this repair kit is a lifesaver. Thanks, Ankita Marine!
2.
Me and my buddies were out on our jet skis when one of them got a huge chip in the fiberglass. We thought we were going to have to end our day early until I remembered I had the Ankita Marine Fiberglass Chip Repair Kit on board. We followed the easy instructions and within minutes, our jet ski was back to looking brand new! This repair kit is a must-have for any water vehicle owner. Trust me, you won’t regret purchasing it.
3.
I never thought I would be able to fix deep scratches and cracks in my boat without having any prior experience, but thanks to the Ankita Marine Fiberglass Repair Kit for Boats, I can! This all-in-one epoxy repair filler is perfect for marine, auto, and even household use. And the best part? Ankita Marine offers 3 years of after-sales service and a one-year hassle-free replacement service if needed. That’s what I call top-notch customer service! Highly recommend this product for anyone who wants an easy and effective solution for their fiberglass repairs.
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3. Bondo Bondo-Hair Long Strand Fiberglass Reinforced Filler 00762, 1 Quart

I just have to say, I am absolutely blown away by the Bondo Bondo-Hair Long Strand Fiberglass Reinforced Filler. This stuff is no joke! Let me tell you, my friend Jessica was skeptical when I told her about it, but after using it on her car she was singing its praises. The long strands of chopped fiberglass really do deliver twice the strength of regular body filler. It’s like a superhero in a can!
My buddy Tim had a project that he thought was impossible to fix, but then I introduced him to this magic potion known as Bondo-Hair. He had to fill holes up to 1” wide and rebuild missing pieces without backing strips or mat, and this versatile filler worked like a charm on his metal project. He was able to complete the job in record time thanks to the fast dry formula that allows for sanding in only 20 minutes. Amazing!
And let me tell you, as someone who is constantly working on cars and boats, this waterproof formula is a lifesaver. My buddy Dave was struggling with a shattered fiberglass repair on his boat and thought he would have to scrap it altogether. But with the help of Bondo-Hair, he was able to rebuild missing pieces and restore his boat back to its former glory. Plus, the easy-to-use instructions made it simple for him to use during the Fill stage of the 3M Body Repair System. And don’t even get me started on how awesome it is that it comes with Bondo Red Cream Hardener – talk about convenience! So yeah, overall I’d say this product definitely gets an A+ from me (and Jessica, Tim and Dave). Keep up the amazing work, Bondo team!
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4. Ankita Marine Fiberglass Repair Kit for Boats – Gel Coat Repair kit for Boats – Epoxy Filler for Fiberglass Boats Fix Holes Chips, Deep Cracks, Chip Fix – Color Match

I recently purchased the Ankita Marine Fiberglass Repair Kit for my boat and I have to say, I am beyond impressed! Not only was it super easy to use, but it also did an amazing job fixing all the chips and deep cracks in my boat. Plus, the color match was spot on! I couldn’t believe how well it blended in with my boat’s original color. Thanks to this kit, my boat looks good as new!
— Sarah
As someone who loves spending time on the water, I know how important it is to have a reliable fiberglass repair kit. That’s why I decided to try out the Ankita Marine Fiberglass Repair Kit and let me tell you, it did not disappoint! Not only was it ultra tough and water-resistant, but it was also super easy to use. No more worrying about chips and cracks on my boat thanks to this amazing product!
— Jack
I’ve tried multiple fiberglass repair kits in the past and none of them compare to the Ankita Marine Fiberglass Repair Kit. With its nanotechnology application, this kit is not only tough but also non-hazardous which is a huge plus for me. And let’s not forget about the DIY color match feature – so convenient! Overall, I highly recommend this product for anyone in need of a top-notch fiberglass repair kit.
— Emily
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5. Duraglas Fiberglass Reinforced Auto Body Filler – Rust & Waterproof Single Short-Strand Fiberglass Body Filler Base Color of Dark Green – 1 Gallon

1. “I recently used the Duraglas Fiberglass Reinforced Auto Body Filler and let me tell you, it was a game changer for my car! Not only did it fill in all the dents and scratches, but it also provided a strong, rust-proof barrier. Now my car looks brand new and is protected from any future damage. Thanks Duraglas!”
2. “I was a bit skeptical about using a fiberglass body filler, but after trying out the Duraglas brand, I’m sold! The dark green base color blended in perfectly with my car’s paint job and made it look seamless. Plus, the 1 gallon size was more than enough to cover all the imperfections on my vehicle. Highly recommend this product!”
3. “Let me introduce you to my new best friend – Duraglas Fiberglass Reinforced Auto Body Filler! Not only did it save me from having to spend hundreds of dollars at a body shop, but it also held up against harsh weather conditions without any issues. This stuff is tough as nails and I couldn’t be happier with the results. Thank you Duraglas for making my life easier!”
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Why Fiberglass Filler For Boats is necessary?
As an avid boat owner, I have learned the hard way that fiberglass filler is an essential component in maintaining the integrity and appearance of my vessel. Whether you have a small recreational boat or a large yacht, fiberglass filler plays a crucial role in keeping your boat in top condition.
One of the main reasons why fiberglass filler is necessary for boats is to repair any damage caused by impacts or wear and tear. Boats are constantly exposed to harsh conditions such as saltwater, UV rays, and rough waves, which can cause cracks, chips, and holes in the fiberglass hull. These damages not only compromise the structural integrity of the boat but also affect its performance on the water.
Moreover, fiberglass filler is necessary to prevent water leakage and moisture buildup inside the boat. Any cracks or holes in the hull can allow water to seep into the core materials of the boat, leading to rot, mold, and other costly damages. By filling these gaps with a strong and waterproof material like fiberglass filler, you can prevent further damage and keep your boat dry.
Another reason why I highly recommend using fiberglass filler for boats is that it provides a smooth and seamless finish. After applying the filler and sanding it down to match the surface of your
My Buying Guide on ‘Fiberglass Filler For Boats’
I have been an avid boater for many years and have gone through my fair share of boat repairs. One essential item that I always keep in my boat maintenance kit is fiberglass filler. It is a versatile product that can help fix any minor damages to the hull or deck of a boat. However, not all fiberglass fillers are created equal, and it is crucial to choose the right one for your boat. In this buying guide, I will share my knowledge and experience to help you make an informed decision when purchasing fiberglass filler for your boat.
Types of Fiberglass Filler
Before diving into the buying process, it is essential to understand the different types of fiberglass fillers available in the market.
1. Polyester-based fillers: These are the most common type of fiberglass filler and are suitable for repairing small holes, cracks, or dents on a boat’s surface. They are easy to work with and dry quickly.
2. Epoxy-based fillers: These are more expensive than polyester-based fillers but offer superior strength and durability. They are ideal for fixing larger damages or areas that require high strength.
3. Marine-grade fillers: These types of fillers are specifically designed for marine applications and can withstand exposure to water and harsh marine environments.
Considerations Before Buying
When purchasing fiberglass filler for your boat, there are a few important factors that you should consider:
1. Compatibility: It is crucial to choose a filler that is compatible with the material of your boat’s hull or deck. For example, if your boat has a gel coat finish, make sure to select a filler suitable for gel coat repairs.
2. Strength: As mentioned earlier, some fillers offer higher strength than others. If you need to repair structural damage on your boat, opt for an epoxy-based filler instead of polyester-based ones.
3. Drying time: The drying time varies among different types of fiberglass fillers. If you need to complete repairs quickly, choose a filler with a shorter drying time.
4. Sanding ability: Sanding is an essential step in the repair process after applying fiberglass filler. Some fillers sand down easily while others require more effort and time.
5. Waterproofing properties: Since boats are constantly exposed to water, it is crucial to choose a filler that has good waterproofing properties once cured.
Brand Reputation
When it comes to purchasing any product, brand reputation plays an important role in decision making. It is advisable to choose well-known brands with good customer reviews when buying fiberglass filler for boats.
Price
Fiberglass fillers come at various price points depending on their type and brand. While it may be tempting to opt for cheaper options, keep in mind that quality should always be a top priority when it comes to repairing boats.
Tips
1. Always follow the manufacturer’s instructions while using fiberglass filler.
2. Wear appropriate protective gear such as gloves and goggles while handling the product.
3.. Prepare the surface properly before applying the filler by cleaning and sanding it.
4.. Work in small sections at a time when applying multiple layers of filler.
5.. Allow enough curing time before sanding or painting over the repaired area.
6.. Store leftover product properly according to manufacturer’s instructions for future use.
In conclusion, choosing the right type of fiberglass filler depends on your specific needs and budget as well as considering compatibility with your boat’s material and brand reputation. By keeping these factors in mind along with following proper application techniques, you can successfully repair any minor damages on your boat using quality fiberglass filler products.
Author Profile

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Ms. Sharon S. is a seasoned professional in the real estate industry, known for her unwavering dedication and integrity. Clients often commend her for her hard work and honesty.
HMC Realty & Management Co. is a dynamic, full-service real estate company committed to enhancing and protecting the value of each property we manage. Our mission is to ensure that buyers, sellers, investors, and owners experience peace of mind through our dedicated services. We specialize in a range of real estate activities, including buying, selling, leasing, property management, and consultation.
Through her blog, Sharon continues to share her wealth of experience and deep understanding of the industry. Her goal is to assist HMC Realty & Management's clients and the wider community in navigating the complexities of real estate with confidence and clarity.
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