How to prepare gelcoat for painting. Then paint a small amount alongside the .
How to prepare gelcoat for painting You can make your own gel coat using fiberglass resin and Bondo auto body filler. In this guide, you will learn how to spray gelcoat on your boat like a pro. . Whether you're a seasoned Aug 25, 2025 · Gelcoat used to be the go-to product for prepping fiberglass for paint, but nowadays, you can simply use a primer designed for use on fiberglass. Most bad outcomes can be eliminated by having a thorough plan and following it before charging ahead. I'm looking to paint my deck and am unsure how best to prepare the factory molded nonskid. Learn how to prep gel coat for paint with our essential steps. You'll probably need to use a long board to fair the repair to match the existing gelcoat. Feb 1, 2021 · 5 – Colour matching Taking liquid gelcoat the first stage is to match the colour. Step-by-Step Guide on How to Prep Fiberglass for Painting Preparing fiberglass for painting involves several key steps to ensure a strong bond between the paint and the surface. Before we start the spraying process, it’s important to know why you would choose gel coat over paint for your boat so you don’t get confused. A boat’s gelcoat needs to be in good condition, meaning no cracks, stains or chalky oxidation. From trimming to sanding fiberglass, our guide covers the preparation process. These affiliate relationships do not affect our reviews or opinions expressed on this channel. Thanks! Once you have fiber glassed over your plywood, you NEED to seal it with gelcoat! Gelcoat not only makes your fiber glass work look better, it seals and creates a water barrier for your raw Fiber Part 1 of this video can be found here? • GELCOAT and FIBERGLASS HOW-TO- Repair EVE GelCoat Repair, PART 2. This guide will walk through each step Special colorants are designed to tint gelcoat to a desired color tone. Painting tends to be a straight-forward process. For larger projects, we have gallons and Feb 28, 2023 · Boat hull repairs are often crucial, but you also need to paint the boats. You may either roll the gel coat on, like paint, or spray it on to apply it. One way is applying gel coat to your boat. In the featured video, TotalBoat ambassador Andy Miller shares his expert tips on gelcoat color matching. It’s about applying a good gelcoat to your boat. com Dec 17, 2024 · Gelcoat is a liquid that hardens to form a thick layer that's used to protect fiberglass and give it a shiny, smooth finish. Why Sanding Gelcoat Matters Gelcoat protects fiberglass but weathers over time, becoming chalky and brittle. Achieve a flawless finish with expert tips and techniques. Current gelcoat condition in cockpit. As many boats are made from fiberglass, gelcoat is typically used to renovate and restore the bodywork of marine vessels and other items located near water although it is not used exclusively on this type of work. Forget gelcoat. Thanks for watching, don't forget to subscribe!! Oh and use those discount codes. Tired, old, thin and UV damaged gelcoat can be fixed my applying new Gelcoat over the old, here is show you one way to do it on a Contessa 32. It is thicker than standard resin, allowing you to build up a solid shell before adding layers of fiberglass. Gelcoat repair kits are a great way to get started with the process of fixing or repairing your gelcoat and getting a custom gelcoat match for your repair. Read on! Apr 28, 2021 · I'd fair the area with epoxy using something similar to West System 407. Fill any low spots in the fiberglass. Gel coating seems to be a big Mystery to many people! It doesn't have to be! I will show you the TIPS and TRICKS, along with gelcoat HACKS that we use in our Boat building and boat repair business Mar 18, 2025 · We hear from our customers all the time that gelcoat is one of the trickiest substances to work with. However, over time, exposure to sun and weather can take a toll on its appearance, leading many to ask the question: “Can you paint over gelcoat?” This article aims to explore that question in depth, examining the considerations, steps, and potential pitfalls of So, the GEL COAT on YOUR boat or RV is badly faded and oxidized! That's OK, I am going to show how to make your gelcoat shine like new again! Gelcoat restoration is not Rocket science, BUT You do Prepare the surface: Before applying gelcoat, ensure the fiberglass surface is clean, dry, free of dust or debris, and free of any previous coatings or paint. All you need to do is to prepare the surface, clean it and sand the gel coat to remove any contaminants and provide a good surface for paint to adhere to. How to Roll Gel Coat on a boat • How to easily roll Gelcoat on a boat Fiberglass repairs • Fiberglass Hull Repair: Easy Fix for Thru Check out our other DIY projects. It's a rather aggressive pyramid shape that is wearing the tops off in some places, and is overall very Check out my other videos on how to fiberglass like a pro, how to clean a gelcoat gun like a pro and how to make fiberglass molds. May 23, 2024 · Learn if you can paint over gel coat and discover the best methods for achieving a smooth, durable finish with our comprehensive guide. May 31, 2024 · Matching the color of gelcoat can be one of the most challenging parts of a boat repair, but with the right techniques and products, you can achieve professional results. Correct application of gelcoat is critical to get the optimum performance from it. A gel coat is a specialized resin often used for the surface coat on fiberglass products. Wet Sanding, Polishing, and Waxing to a like New Factory Finish. Perfect for DIY enthusiasts. Learn about preparation steps like cleaning and sanding, the best paint options, and maintenance tips to preserve your new finish. However, nowadays you can simply use primers built for the job. If you need assistance selecting pigments for your gelcoat contact the customer support team at Bottom Paint Store 888-505-2313 or via live chat found at bottompaintstore. Find out in this article whether can you paint over gelcoat for the best protection. Dec 24, 2024 · Wondering if you can paint over gelcoat on boats or fiberglass surfaces? This comprehensive guide reveals effective techniques to enhance your watercraft’s appearance. You’ll also need to use a marine-grade primer and paint, and make sure you sand down the gelcoat surface before painting. Gelcoats protect boats from ultraviolet damage. Find a local boatyard (you're in RI should be easy) and talk to the paint foreman. Then paint a small amount alongside the Sep 23, 2022 · Quick tips for gel coat application and preparation, sanding, heat protection, and waxing. The gelcoat substrate must be cleaned thoroughly of all surface contamination prior to sanding with ALEXSEAL Surface Degreaser (A9091) using the “Two Rag Cleaning Method”. Even if you're a beginner you'll find that it's just as easy as Mar 20, 2024 · You may have noticed some boats look shiny and new while others look dull and drab, even if the boats are the same age. Perfect for boat or RV restoration. But this time around I want to avoid that and keep it gelcoat. Follow this guide for a thorough preparation process. This isn’t just about choosing glossy paint instead of matte. Nov 27, 2023 · Learn about the different types of paint for gelcoat surfaces, including epoxy, polyurethane, and acrylic paint, and how to choose the right one for your project. That’s certainly the case when prepping a boat for bottom paint! When preparing for this project, you need to consider various elements like wax, gel coat, and how well the paint will adhere to the hull. Learn more here! Feb 2, 2024 · Painting a fiberglass boat can give an ageing, faded hull a brand-new look. May 6, 2024 · By carefully selecting, testing, and applying pigment agents, you can achieve a professional and personalized appearance for your boat’s gelcoat. Bare Fiberglass/Gelcoat To be effective, any coating must adhere well to the substrate (fiberglass or gelcoat) in order to prevent moisture from reaching it. Yellow and black are the most common pigment colours that are used when matching white gelcoat. Never use colorants that do not specifically state that they are designed for use in gelcoat. With a wide range of pre-mixed colors, our chart will help you find the right color tint to flawlessly make your gelcoat repairs. Cleaning the Surface Of course, I'll be sanding and repeating the process to get all of the gelcoat crazing and fiberglass defects cleaned up and ready for painting! I'll be getting the interior ready with Fiberglass Boat owners know the importance of protecting their boats against the elements. Feb 7, 2010 · Gelcoat is a resin-based paint which is used for painting the surfaces of fiberglass. Take steps to cover and protect the rest of the boat before starting Mar 18, 2024 · Gelcoat, known for its protective properties and glossy finish, is a common choice for boat hulls and recreational vehicles. how to fix chipped gelcoat, how to restore gelcoat on fiberglass boat, prepping fiberglass for Jan 7, 2023 · Painting over gelcoat - any one have regrets? - Cruisers & Sailing Forums Cruisers & Sailing Forums > The Fleet > Monohull Sailboats On Bare Fiberglass/Gel Coat: Remove all surface contaminants, including water, dust, wax, grease, surface blush, etc. This is due to its unique requirements for proper curing, surface preparation, and application. If unsure, ask the gelcoat manu Oct 8, 2025 · Learn how to paint over gel coat with expert tips, techniques, and best practices for a smooth, durable finish. For all of your boat needs, contact Bilbos Marine! Apr 1, 2025 · Fiberglass is a durable material ideal for boats, but its gelcoat can fade or oxidize over time, requiring a fresh paint job to restore its shine. This section offers a straightforward step-by-step guide guide on how to prep fiberglass, detailing everything from cleaning to priming. This process requires patience and a step by step approach to get the best results. For smaller repairs, we offer convenient and easy-to-use repair kits with everything you need to match colors. Wipe the surface clean with a lint-free cotton rag dampened with a dewaxing/surface prep solvent (such as TotalBoat Dewaxer & Surface Prep), follow with a clean, dry rag to remove any surface wax. In a video to come ill show my method for applying laminating gelcoat, with one final layer of waxed gelcoat. Mar 21, 2019 · And please if your advice is to paint it, I realise that paint would probably be easier, and I've done it on previous boats. Discover how to ensure a successful, long-lasting transformation while protecting against UV Sep 21, 2010 · keysdisease Senior Member Paint. In this guide we will walk you through 10 steps to take to ensure you get a great result. Gelcoat is a resin system that is filled with colorants and thickening agents and applied to a mold surface to form the cosmetic and weathering coating of a composite part. With some simple tools and materials, you can easily refresh your boat’s gelcoat finish. May 8, 2024 · Learn the art of prepping a fiberglass car for a flawless paint job! Unravel the intricacies of surface preparation, priming, and sealing, and dive into the exciting world of applying paint with finesse. We’ve put together some of the most Jul 17, 2012 · Gelcoat Color Match Chart Our Gelcoat Color Match Chart is the perfect solution for any boat repair project. Therefore, the first step is to examine the condition of the substrate. ← Painting an Aluminum Outdrive How to Apply Gelcoat → Method of Application: Next, determine if you are going to brush, roll or spray your gel coat so you can prepare it for application. Power washing with a 3500 psi removes any Feb 2, 2024 · Are you looking to give your boat a fresh, shiny new finish? Spraying gelcoat is a great way to restore the appearance of your vessel. It’s like painting on window frames: […] Painting Over Gelcoat So yes, you can paint over gelcoat, but under specific circumstances. Sep 25, 2007 · Hello to all - I am going to re- gelcoat my boat (I know, I know - paint is easirer but I have my reasons) and want to know any suggestions for preping the fiberglass hull other than just sanding the bejebus out of it. Jan 5, 2011 · Link to this post! This entry was posted in Fiberglass Repair, Gelcoat and tagged fiberglass mold, fiberglass mold instructions, how to make a fiberglass mold, using pva mold release, using tooling gelcoat on January 5, 2011 by Jason Revie. (Prior to reglassing holes) Current Non-Skid Photos: Last edited: Mar 21, 2019 Aug 26, 2025 · This guide explains how to sand gelcoat step by step using 80, 150, 220, and 400 grit sandpaper. I'm prepared to put in the extra work. Add a tiny dot of pigment, often it’s about a pin head sized drop and mix thoroughly. Sand any rough areas with 80 grit sandpaper until smooth. If it's just the gelcoat that you have lost (~5mm thick), wet the area with unthickened epoxy then fair with the 407. For a smooth gelcoat, you can paint over it with a urethane topcoat when using car paint. They will be using Awlgrip or Imron or Sterling all very good products. Prep the area first to get to clean fiber glass/gelcoat. Classic Motorsports Publisher Emeritus,Tim Suddard shows you Sanding the gelcoat just enough will make its appearance dull, so when the entire component has lost its shine, you have sanded enough to allow the primer or paint to adhere. If you plan to regelcoat your boat I hope you like May 27, 2022 · Gel coat has many uses including mold construction, manufactured parts, cosmetic gel coat repairs and yacht/boat construction. Jun 30, 2016 · Learn how to prep fiberglass for paint to give your car the best look possible. The application process is slightly different for each use but hopefully this guide will give you a good idea of what needs to be done when working with gel coat. How to Apply Gelcoat to Your Boat To maintain the look and sea-worthiness of your ship, Gelcoat is necessary. But what if you’re about to paint something that’s destined for the water? The story changes. Classic Motorsports Publisher Emeritus, Tim Suddard, shows you the pros and cons of using gelcoat or primer when prepping a fiberglass part for paint with expert David Higgs of Higgs Automotive Paint and Supplies. This Brushable Gelcoat can be applied with a brush and does not need any other additives except MEKP, which is included with your purchase. From choosing the perfect paint to mastering the finishing touches, this guide guarantees a professional and stunning finish that elevates your fiberglass car's appearance on the road. Marine wash is a good start to cleaning gelcoat, but you may need an acid-based remover if you have stubborn stains. Gel coat is typically the first layer of a part to be applied. This preparation sets the stage for a successful painting job on your fiberglass surface. Then use a barrier coat and bottom paint. Additional cleaning may also be performed using a professional cleaner/degreaser or a powdered cleanser (such as Ajaxor Comet®) and 3M Scotch-Britepads to scrub the surface to be painted. Let See full list on bettersailing. Applying gelcoat to fiberglass is simple if you have the right tools and take care to mix your gelcoat properly. com Link to this post! In this comprehensive tutorial, join Andy Miller from Boatworks Today as he shares his expertise on color-matching TotalBoat Gelcoat for flawless boat repairs. Gelcoat is not only a nice resin that makes the vessel look nice; it protects the surface of the fiberglass and serves as a barrier to the absorption of water. For one, gelcoat is a lot tougher than regular paint, so it can be tricky to get the new paint to stick. Oct 28, 2022 · If the gelcoat can't be saved, do you replace the gelcoat? Or do you opt for painting? Here's all you need to know about replacing or painting over gelcoat! Jan 5, 2011 · detailed preparation guide on how to apply gelcoat to your boat, rv, other surface. If the glass Gelcoat used to be the go-to product for prepping fiberglass for paint. Every square millimeter of the finish to be painted will require sanding and prep work. Gelcoats are based on a thermoset resin that requires an initiator and proper Nov 9, 2025 · Learn how to prepare and paint your boat's gel coat with this comprehensive step-by-step guide. GELCOAT REPAIR 101 -A to Z How To Repair Chipped Gelcoat and How to Repair Gelcoat Scratches Easiest Way To Apply A Perfect Nonskid On Your Boat Using Alexseal Paint! Preparing fiberglass for painting is crucial to ensure optimal paint adhesion. Gelcoating also reduces the rate of Mar 20, 2009 · Preparing rough gel-coat surface for painting Discussion in ' Boatbuilding ' started by Napoleon, Mar 20, 2009. If the substrate is in good condition with very minor hairline/spider cracks then proceed to power washing and prepping. See if you can make a deal for the next time they spray a boat for them to shoot your little hulls at the same time. At the same time ask Oct 1, 2001 · Rod and Custom magazine shows you in step-by-step detail on how to prepare a fiberglass body for its paint job. Details: Gel coat is a formula Jul 25, 2025 · A proper gel coat application can often mean the difference between the look of a professionally fabricated part, and an amateurish attempt. Sanding removes oxidation, smooths imperfections, and creates a surface that accepts primer, paint, or polish. The key steps include thoroughly cleaning the hull, sanding to improve adhesion, applying several coats of marine-grade primer and paint, and finishing with a clear sealant for protection. When rinsing the surface with Jan 13, 2024 · Conclusion If you’re considering painting over gelcoat on your boat, there are a few things you need to know. This guide provides a step-by-step process for painting a fiberglass boat, focusing on preparation, application, and maintenance. Today I am showing Nov 18, 2024 · Gather these tools and materials before you start.