Spraying gelcoat over gelcoat. Method of Application: Next, determine if you are going to brush, ro...
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Spraying gelcoat over 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. Do you Need A Special Spray Gun For Gelcoat? Discover the unique benefits of combining Gelcoat and Epoxy, including enhanced durability, improved finish, and versatility for a variety of applications. Is it possible to paint over gelcoat reliably? Or would I be better off giving the console a rough sand and fair then re-coating it in gelcoat? I dont have a large enough compressor to air spray. This Brushable Gelcoat can be applied with a brush and does not need any other additives except MEKP, which is included with your purchase. Mar 19, 2020 · It will have some designs in the gelcoat. Perfect for boat or RV restoration. 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 Apr 10, 2013 · The crappy job is repainting over old paint - especially if you don't know what was used the first time. For the most part spraying is something that I usually try and sway folks away from because of the mess, cost for equipment and experience needed to get a quality finish. Gelcoat is the protective outer layer that keeps your boat’s hull looking shiny and new. Would you consider this method to be similar to using Alexseal for ease and results? Feb 2, 2024 · Spraying gelcoat is a great way to restore the appearance of your vessel. While brushing the gelcoat has it’s advantages, it isn’t always the best approach. After cure time,between coats, what do I remove the wax with? Acetone? Do I need to sand between coats and what roller would you recommend? Jan 27, 2005 · Spraying gelcoat over gelcoat Discussion in ' Fiberglass and Composite Boat Building ' started by alexhiguera, Jan 27, 2005. I dont have the capacity to spray gel coat, so looking to roll and tip. Boating How-To’s : The Kerno Memorial Forum - DIY paint options over old gelcoat - Hello everyone, new member here, im hoping someone can help me out with my project. Gelcoat will not darken or change colors when it dries. Or can I just gelcoat over the old? My understanding is gelcoat takes alot of work to make shiny Prior to applying gelcoat, the surface can be primed with either TotalBoat TotalProtect epoxy barrier coat primer or TotalBoat 2-Part Epoxy Primer. Because you will be applying multiple coats, you will need laminating gel coat, not finishing gel coat. This material will remain stable for three months when stor After the surface is ready, you can then proceed to apply the gelcoat. I teach you what to look for when spraying, how to adjust the spray, and how to apply it to the surface you're coating. seaha to direct sunlight. When it comes to paint I Sep 2, 2014 · Quick Recommendation How to Select the Right Spray Gun Nozzle Tip Size Match the tip size to the coating thickness: Thicker materials like gelcoat and high-build primers require larger tips, while thinner paints need smaller tips. Please Su Jan 13, 2024 · How Do You Redo Gelcoat on a Boat? If your boat’s gelcoat is looking dull, chalky, or discolored, it may be time to give it a fresh coat. If a tip does become plugged, hard objects (such as wire) should not be used to clear the orifice. The color comes from the flake. An alternative to that is to tape a piece of wax paper around the entire gelcoat repair so air doesn't get to it. If you plan t The proper maintenance of the spray tip will increase its life span as well as allow for the best application of the gelcoat. Discover how to ensure a successful, long-lasting transformation while protecting against UV Guideline for Gelcoat Repair This guideline has been prepared to provide advanced procedure information for problems associated with the spraying and curing of Gelcoat as a repair coating. From the outside of the hull to the inside; deck, inner hull, and gunwales. In the video I mentioned that there were 2 common ways to do this; spraying or brushing. Learn about preparation steps like cleaning and sanding, the best paint options, and maintenance tips to preserve your new finish. Flake jobs tend to break down faster than one color jobs. Aug 4, 2024 · Learn when to apply a second coat of gelcoat, how to prepare the surface, and what factors affect curing and recoating. This article will discuss how to apply the gelcoat with the brush and roller method. Before applying gelcoat, the epoxy primer must be completely cured for at least 48 hours, then sanded with coarse sandpaper to allow the gelcoat to form a strong mechanical bond. If you don't use gelcoat with wax, then you'll need to spray or brush on some PVA over the gelcoat after it sets up. From which Gelcoat to use, (with or without Wax) to the nozzle settings and cleanup, Will does a thorough job demystifying common questions that we often hear on our T ech Help call line and see in our online support articles. In this video, you'll learn how to spray gelcoat perfectly every time. Apr 20, 2011 · You first use 'paste' gelcoat to make the 'fill', then spray over and 'blend' the surface (and a wee bit of surrounding area) with a 'feathered-out' spray of gelcoat; can be done easily with 'small repairs'. Automotive spray guns are kinda useless. Jul 27, 2012 · My gelcoat has lasted 40 years; if a renewal lasted just as long, it may exceed the life of the boat, and my life expectancy, for that matter. Question is, do I use waxed gel coat for all three coats or just for the last coat? I'm thinking wax in all three coats. Finish Primer 442 may be used above and below the waterline. Gelcoat without wax, or any other air dry product that has been catalyzed with MEKP, will generally harden, but remain sticky. gelcoat, tips and tricks, fiberglass tips, fiberglass tricks, fiberglass techniques, fiberglass We would like to show you a description here but the site won’t allow us. You’ll need to test spray at 20lbs, 30lbs, 40lbs and up upward to 60lbs while testing adjust your equipment to We would like to show you a description here but the site won’t allow us. Why Is My Gelcoat Sticky After 24 Hours? It’s usually caused by too little catalyst or forgetting the wax additive in the final coat. Home How To & Tools Gel Coat Application Guide - How to apply gelcoat correctly Gel Coat Application Guide - How to apply gelcoat correctly 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. For more detailed gel coat application please go to www. Generally mix 5oz batches. Gelcoat is quite thick so take care to apply as even a coat as possible, taking more care with a brush or roller. . Adjust for spray method: HVLP guns typically use Sep 15, 2022 · Professional Grade Exterior Gelcoat can be applied either by Spraying, Brushing or Rolling. as youre going to flat-sand and 'power buff' it all anyway. Can I spray gelcoat over old gelcoat? Yes, you can spray gelcoat over old gelcoat, but the surface must be properly cleaned, sanded, and prepared to ensure good adhesion. atlantadivided Painting over gel coat I have a gheenoe LT25, and I’m looking to change the color. Getting to the point of applying your color matched gelcoat is one of the last steps in finishing off your repair (s). Apply gel coat in 4-5 layers at approximately 5 mils each, allowing 15-20 minutes between layers for a total thickness of 20-25 mils. Sand until flat and proceed to buff. Jul 15, 2020 · Mix your gelcoat with Duratec Clear Hi-Gloss Gel Coat Additive. Aug 15, 2011 · The gelcoat work REALLY intimidated me, so I researched it on the web and got even more confused. Aug 26, 2020 · Re: Ceramic Coating Over Gel Coat Postby dtmackey » Mon Jun 06, 2022 7:16 pm "Ceramic coating" means different things to different people. Applying gelcoat to fiberglass is simple if you have the right tools and take care to mix your gelcoat properly. In this video I show how to apply the gelcoat over a semi set layer of fiberglass and polyester resin ( of course its totalboat stuff ) Here I use a roller and a cheap chip brush. Polishing helps bring back the luster, and applying quality marine wax products help protect it from fading. You may either roll the gel coat on, like paint, or spray it on to apply it. It can also cause an Aug 3, 2012 · The toughest part of spraying gelcoat over a complicated surface like the deck and cockpit is planning your spray plan so that you keep a wet edge and don't trap yourself in a corner. For small patches such as chips, dings, scratches and small repairs I believe that it is the most Oct 8, 2025 · Learn how to paint over gel coat with expert tips, techniques, and best practices for a smooth, durable finish. Aug 9, 2008 · Previous owner painted the boat with regular paint. To cure gelcoat without wax, brush on or spray P VA (polyvinyl alcohol) over the final layer. I have been shooting automotive coats for a while now (emamels, urethanes, polyurethanes etc) but never have tried to spray gelcoat, only to fill up scrapes or dings. Watch short videos about boat gelcoat from people around the world. For small patches such as chips, dings, scratches and small repairs I believe that it is the most This video focuses ONLY on the spray gun, and the application of the gelcoat. For a more comprehensive guide on How to Apply Gelcoat, please read this article. If you plan t The Seasons are changing and luckily I got this wrapped up just in time! Wasn't sure how spraying was going to go since I no longer have a large compressor; Feb 11, 2022 · This video goes over application tips and techniques for using a standard spray gun. More gelcoat or polyester resin can be applied directly over this and still form a chemical bond while it still has a tacky feel. Feb 2, 2024 · Now that you understand the benefits of choosing gelcoat over paint for your boat, let’s dive into the step-by-step process of how to spray gelcoat like a professional. I go over some of the standard practices that pros use to get excellent results with ease. 5 pounds per minute with conventional air atomized spray, and no more than 4 pounds per minute wi h airless equipment. However, most experts recommend spraying it on as it allows you to get an even, smooth finish. Feb 10, 2026 · Learn the art of painting with gel coat. Have a large area of fiberglass boat gelcoat that needs to be repaired? Using a disposable Preval sprayer to repair boat gelcoat may be the best method for applying it. After the surface is ready, you can then proceed to apply the gelcoat. We would like to show you a description here but the site won’t allow us. Use #122-A Gel Coat Thickness Gauge to ensure proper thickness is achieved. Not epoxy! Mask off the surrounding areas for over-spray protection and clean the surface as described earlier. May 9, 2024 · Painting over gelcoat with 2k automotive paint? Do I have to prime? Or can I just spray over the sanded old gelcoat ? Boat is white now, going to paint to grey. This will insure that the color will not oxidize again and (if done properly) guarantees a permanent solution. 08K subscribers Subscribed Method of Application: Next, determine if you are going to brush, roll or spray your gel coat so you can prepare it for application. The spray-on ceramic product is not the robust multi-season coating that you rub on and level with a microfiber. Types-Brushing, Spraying, Spray& Buff, Ultra Spray Rayplex Ltd 9. The people I have talked to they say I should go with gelcoat. This will allow it to fully cure. 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. See how you can finish the Gelcoat 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. Is it possible to build up two layers of pre-waxed gelcoat? I'm building a cheap little 8ft sailing dinghy for fun. Gel Coat delivery rate of no more than 2. However if you are going to the trouble of masking and prepping the intire suface of the purple anyway, you would be better of to spray on more purple before clearing it again. This guide covers prep, application, and finishing for a durable, professional boat finish that lasts. This is the piece that you would like to replicate for May 27, 2022 · Spraying the gel coat will give the best cosmetic results without much sanding needed after cure. The boat was gel coated when new and through the years it has been painted over and over again. The color wet is the color when dry. How To Repair Gelcoat On A Boat, Gelcoating A Boat, Barnacle Removal For Boats With Gelcoat And More Nov 9, 2020 · The Boating Forum - Painting over gelcoat. So the title is DIY options for painting over gelcoat, but first ill give a little backstory on the boat in question, its a 17'8 1979 dawson bass boat, The Boating Forum - Spraying Gelcoat - Looking for some guidance. Mar 23, 2015 · Fairing compound for use prior to gelcoat should be either polyester or vinylester based. Then you've got to get the old paint and primer off without ruining the fairness of the original gelcoat underneath - difficult to do. Follow manufacturer guidance first: Always start with the recommended nozzle range listed on the product data sheet. I go over some of the standard practices that pros use to get excellent results with e PVA Tooling gel coat (or unwaxed gel coat) Gel coat spray gun (recommended) or brush Chopped strand mat Ortho or ISO polyester resin MEKP catalyst Spreader Fiberglass roller Plastic wedge Polishing agent Plug Preparation The first step in making a fiberglass mold is preparing your plug. 1995 Ospry 200 and the gelcoat looks it. The problem with this method is getting the right amount of material misted onto the un-cured gelcoat to block the air out and in gauging just when to apply the PVA. How do I get a smooth finish on gelcoat? To achieve a smooth finish, apply multiple thin layers, wet sand between layers, and finish with buffing and polishing. It seemed that if I found 15 websites or posts on how to spray gelcoat I found 15 different ways of doing it!! 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. Held up quite acceptably and acted as a sacrificial layer for the the areas receiving the most abrasion. - Since its too cold to lay up fiberglass i'm planning on making my console nice. Jul 25, 2025 · Spraying gel coat is recommended for more accurate and consistent coverage. Nov 11, 2025 · Frequently Asked Questions Can I Apply Gelcoat Over Epoxy? No. Whether using marine-grade polyurethane, epoxy, acrylic enamel, or gelcoat-specific paints, the key lies in meticulous surface preparation and careful application. In part 9 of the how to build a mold series we Spray the first coats of gelcoat and fiberglass on our custom hardtop for our 29-foot center console charter boat. Having seen some video of people applying gelcoat over large areas, it doesn't really seem like it's really that crazy of a task, particularly when you compare it to something like repairing boat pox. How Long Should Gelcoat Take to Cure? Nov 9, 2020 · The Boating Forum - Painting over gelcoat. These affiliate relationships do not affect our reviews or opinions expressed on this channel. Feb 19, 2026 · Gelcoat is a liquid that hardens to form a thick layer that's used to protect fiberglass and give it a shiny, smooth finish. Plus i have bare fiberglass that I would like to have a layer of gel over. Gel coat will not fully cure without adding a surfacing agent or over spraying with PVA Spraying Gelcoat Check color thoroughly before applying. Aug 3, 2012 · The toughest part of spraying gelcoat over a complicated surface like the deck and cockpit is planning your spray plan so that you keep a wet edge and don't trap yourself in a corner. Best is not to use 'air inhibited' gelcoat or gelcoat WITH wax added . May 14, 2020 · As with any gelcoat job, the surface must be perfectly faired with auto body and/or lacquer putty, or fairing compound before spraying. Jan 27, 2026 · Below you will find a detailed gel coat preparation guide on how to apply gelcoat to your boat, RV, or other surfaces. Alternatively, add a paraffin wax additive to catalyzed gelcoat without wax for the final layer in your layup so it cures and hardens properly. You can choose to brush, roll, or spray on the gel coat. ALEXSEAL Finish Primer 442 is designed to prime and seal old and new, properly prepared, stable surfaces such as gelcoat and fiberglass, as well as to seal other Alexseal primers and filler systems. The secret to a good finish is to apply the gelcoat properly. It is recommended to use a gel coat spray gun specially formulated for gel coats, such as the G-100 Gel Coat Cup gun. When it comes to paint I Mar 15, 2020 · What are the differences between Gelcoat and Topcoat and how are they applied? Learn everything about it, including Instructions. Whether you're working on boats The Seasons are changing and luckily I got this wrapped up just in time! Wasn't sure how spraying was going to go since I no longer have a large compressor; Sep 3, 2024 · FAQs 1. You must apply a compatible barrier coat or primer first. Will gelcoat adhere to the paint? Are there any primers for gelcoat? Could a paintable epoxy, something like a bottom barrier coat work as a primer? Apr 20, 2011 · You first use 'paste' gelcoat to make the 'fill', then spray over and 'blend' the surface (and a wee bit of surrounding area) with a 'feathered-out' spray of gelcoat; can be done easily with 'small repairs'. Looking down the road a year or two I'd like to get the gel coat redone or else have it painted. Using this primer as a base enhances the “Wet Look” of ALEXSEAL’s Topcoats. What is the correct method for spraying clear gelcoat over freshly sprayed gelcoat? Should the gelcoat be sanded before applying the clear? If so what grip paper should be used? In this video, we explore the revolutionary $10 gelcoat sprayer that is changing the game for DIY enthusiasts and professionals alike! We'll dive into its features, performance, and how it can 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. Aug 8, 2023 · Painting over gel coat is a rewarding process that allows for personalization and protection of surfaces. Oct 4, 2011 · It is glassed in and ready to gelcoat. Eventually, however, it will grow dull again, and as time marches on, it gets Nov 11, 2014 · Spraying gel coat in direct sunlight can prevent the surface from becoming tack free, another common and frequently unexpected problem. May 29, 2012 · Re: Metal Flake Help? how to do metalflake gelcoat Gelcoat should only be applied over prepped or unwaxed resin. 2. Store n a cool, dry place. 3. So the title is DIY options for painting over gelcoat, but first ill give a little backstory on the boat in question, its a 17'8 1979 dawson bass boat, 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. My question is prep for Clear gelcoat. Jun 16, 2009 · Sprayed black Ecklers gelcoat over a football shaped area of my fiberglass/green gelcaot Indy. These steps are Crucial in You can also use it to laminate gelcoat, in stages. Two primary methods are commonly employed: rolling and tipping or spraying. Aug 7, 2025 · Andy Pag fixes up his boat’s deck with the help of an affordable gelcoat spray gun, and shares his tips for getting a perfect finish even with a non-skid pattern. Im going to use clear gelcoat over the top of the gelcoat. It allows you to spray the gelcoat like paint and produces a very hard, slick and durable finish. You will find that the incorporation of these methods and techniques into standard Gelcoat repair, regardless of the supplier or manufacturer of the particular Gelcoat will greatly increase repair In a mold that has been prepared with mold release, apply 15-20 mils (check with wet film thickness gauge) of gelcoat with a brush, roller, or spray gun. Tips should be free from build-up and over-spray. I started playing with ceramic coatings in 2021. I will be rolling this on, not spraying. The gelcoat must be thinned slightly with reducer to spray evenly (although acetone is often recommended from thinning, it will cause the finish to more quickly lose its brightness, color, and gloss). This can cause chips in the carbide portion of the tip, and will cause the spray pattern to erode. In this guide, you will learn how to spray gelcoat on your boat like a pro. Aug 16, 2021 · New gelcoat finishes project a radiate shine, but over years that new-boat gloss can grow dull and chalky. Will gelcoat adhere to the paint? Are there any primers for gelcoat? Could a paintable epoxy, something like a bottom barrier coat work as a primer? An alternative to using surfacing wax in the gelcoat mix is to over spray the gelcoat with PVA, (polyvinyl alchol). I hear you cant get great results roll and tipping gel, and was wondering if anyone had experience and recommendations as to which paint and primer combo works well on top of Jun 11, 2019 · The purpose of the wax is to create a barrier between the gelcoat and the oxygen in the air so the gelcoat can fully cure. It seemed that if I found 15 websites or posts on how to spray gelcoat I found 15 different ways of doing it!! In this the 20th episode of Building the explorer we will be rolling and some Tipping the final Top Coat (Waxed Coat) of Gelcoat on the fiberglass of the boat. Oct 8, 2025 · Learn how to paint over gel coat with expert tips, techniques, and best practices for a smooth, durable finish. Would love to hear thoughts????? AM afraid if I try wax, it will turn into a mess. Plan your stop points, and when you think you have prepped enough keep sanding and filling and sanding again. I have been sanding for weeks, but it seems impossible to get it all down to the old gelcoat. Hi all, I have a 1984 Islander Bahama 30 that has the original gel coat. Over time, sun, salt water, and pollutants can take their toll on gelcoat, making it lose its luster. Aug 10, 2005 · Yes, It is possible to just spray clear over GelCoat. Applying Gelcoat 4 different methods. Feb 24, 2012 · Re: Spraying or rolling gelcoat?! I already spent over $150 on gel coat from US Composites that is not returnable. PVA is commonly applied by brush or spraying. Step 5: Finish the Gelcoat After allowing the gelcoat to cure completely, you can sand and buff your newly-coated surface. Mar 18, 2024 · Gelcoat, known for its protective properties and glossy finish, is a common choice for boat hulls and recreational vehicles. Gelcoat will not adhere directly to epoxy. The gel coat will start to gel before you can pull all the tape off, this will mess up the tape lines, you will also drop the tape and/or the masking paper on the wet gel coat, requiring more work later to fix it. In todays video we cover some final sanding of the TotalBoat polyester fairing compound and spraying the first box with TotalBoat gelcoat with wax. Jan 4, 2026 · Once the gelcoat is catalyzed, it must be applied quickly and evenly to the prepared surface. Before applying gelcoat to your part best practice is to test the spray pattern. n applied by spray. I am needing to completely redo the paint or gelcoat job. Jan 27, 2005 · I want to spray on a coat of gelcoat to the entire outside and inside of my 88' Boston Whaler outrage 18'. I fiberglassed the outside using polyester resin and chopped strand, and then I coated it with prewaxed gelcoat to cure it. Then massive loads of clear applied over that. Was thinking to prep and spray a coat of gel over the interior and gunnels. Too Thick may distort and pull away from the mold as it cures.
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