Spraying Gelcoat: Please follow the instructions located on the products page or the label. The less you can thin it the better the gelcoat will be, so the use of a larger spray tip is required. These units are typically less expensive and can be viewed as semi-disposable. The Glidecoat Top Coating Kit creates a hard protective barrier over gel coat or paint, giving your boat a showroom finish while making maintenance a breeze. Getting to the point of applying your color matched gelcoat is one of the last steps in finishing off your repair(s). Become A Monthly Supporter Of Boatworks Today Through Patreon! Delete all. You could spend anything from $65 to $1650 on a spray gun (check price on Amazon), but I reckon if you’re paying around $130 you’re getting a gun that’ll do the job just fine. Industrial Epoxy Finishing Coating. However in situations where the repair spot is much larger than what is shown in the video, spraying is definitely the way to go. 20 oz. Ship and boat building > Production machines and tools > Gelcoat spray gun. Type. EcoPoxy GelCoat is an epoxy coating with superior chemical, abrasion, and thermal resistance. I mentioned using well-ventilated areas to apply gelcoat, but on the flipside, you should also avoid the outdoors. The primary types of spray guns available to spray gel coat include LEL, AAA, and conventional spray guns. Gelcoat is essential for the longevity of your boat. At a minimum a 3hp unit will be needed with a 60 gallon tank. Get a 5% discount on Totalboat products. Your boat is the same! Is there a way to get this info? Cool site I haven’t worked with glass since 1982, but I’m thinking about a strip built canoe. Note: These cheap units will NOT provide a good finish with paints! on redoing entire gelcoat. Ps I have been in touch with my attorney over the matter. A material that has been reduced will require a thicker film for the same level of protection versus un-thinned applications. no PVA is required to achieve a full cure.. After sanding and dust removal, the surfaces that should not come into contact with the gelcoat spray and its fine spray mist must be masked. You can try mixing the gelcoat 50/50 with clear Duratec then thin with a good slow lacquer thinner. Shop Our Amazon Store For Fiberglass Materials And Supplies! Gelcoat is an epoxy or polyester resin-based thermoset polymer that is usually applied to the boat exterior during the fiberglass molding process to give a smooth, shiny appearance. This ensures the feathering is finer, which makes it easier to apply the resin’s first coat. For the deep scratches Iâd use a product called Adtech P-14 and fill the gouge just shy of the surrounding gelcoat leaving a bit of room for the eventual gelcoat. So, why would you risk everything for an easy life? TOP GIFT. We're using cookies to improve your experience. On the flipside, you may need to apply two or three coats with the brush to achieve the same thickness as a spray gun. Boats. Thanks in no small part to your videos I have decided to gel coat it myself. Before I get into howâs and whenâs of spraying gelcoat, there are basic housekeeping rules to cover: Avoid applying gelcoat ⦠2021 PlayCraft Infinity 2700. Compound formulated for gelcoat is more abrasive and cuts fasterânever use it on your car, or youâll be heading for the spray booth. Let me start by saying we donât recommend thinning gelcoat if you can avoid it. Speak to marinas; ask about suitable facilities like poly-tunnels and drydocks. Latest. This particular unit is the ES-100, I believe the newer model is the ES-120. Add to Cart Add to My List. Gelcoat is the first thing sprayed into a female mold when a boat is built, usually to a thickness of .5 to 1 mm. How to Repair Gelcoat. We also sell a Brushable Gelcoat that can be applied with a brush. I use both 2mm & 2.2 mm HVLP gravity feed cup guns for most of my heavy shoots. Once set, rub down the filler with a high-grade 180 or 200-grit sandpaper to smooth it like a professional. Spraying Gelcoat: Do It Right and Protect Your Vessel for Many Years. Everyone asks what you use to thin gelcoat, and everyone has an answer. This being said, nothing is perfect. I am wanting to try the gelcoat myself, I don't know where to start. It is generally not a good option for high production fiberglass work. ... 20 oz. The Complete Guide to Boat Dock Bumpers (For Beginner Boaters), The Best Marine Wi-Fi Extenders for High-Seas Internet, 4 Helpful Considerations When Choosing Between the Best Outboard Motors, The Best GPS for Your Boat: From Basics to Bells and Whistles, The 5 Best Shoes for Boating in Comfort and Style (and Without Slipping! Regardless of your skill level with gelcoat application, the consistent spray pattern and portability of the Preval Sprayer is an ideal tool to gelcoat your boatâs repair touch ups. This will provide most of the air needed with brief pauses to let the pressure build back up. And you don’t want that, especially when a well-applied gelcoat can last ten years or longer! These are both what are considered to be ‘reactive thinners’ rather than evaporative thinners. A relatively new development is Gelcoat Spray, which can be sprayed onto surfaces. This equates to 12 to 18 drops of MEKP per ounce. In my opinion, the most attractive benefit of this is that the gelcoat does not require thinning. Spraying Gelcoat delivery rate of no more than 2.5 pounds per minute with conventional air atomized spray, and no more than 4 pounds per minute with airless equipment. Whenever a material is thinned it displaces it’s properties. Watched your video on brushing on gc. Before I get into how’s and when’s of spraying gelcoat, there are basic housekeeping rules to cover: Now we can get on with preparing the surface to be gelcoated. You may need to apply another coat. Unfortunately, mere soap and water frequently wonât remove all the stains, which exist at a deeper level within the porous gelcoat surface. If you donât have a tip that large, most people generally thin the gelcoat. Updated: February 10, 2020. Duct tape around portholes, and anything that you don’t want in contact with the gelcoat. ... TotalBoat marine gel coat can be colored prior to adding catalyst. Also, before you add the thinner, you might want to add a sanding aid like FGCI Wax Additive (check price on Amazon). For best results, leave it overnight. What brand gel coat do you use? A lot of Pro’s use these types of thinners, however in my opinion they are more toxic to work with and not as ‘user friendly’. Both do the same job, except reactive thinners mix to become part of the gelcoat, while evaporative thinners dissipate within the resin to leave mostly pure gelcoat. Speaking of color, at this stage in the process, you’ll want to add the color pigment (if white isn’t for you). LEL offers a variety of features that should be considered. For smaller surface areas, like a chair, apply the gelcoat using a paintbrush using short, vertical strokes. Select options; Inflatable Kit $ 149.95. Here’s a rough guide to the amount needed to add to the gelcoat mixture: Assuming you’ve used a thinning agent like Patch-aid (check price on Amazon), you’ll need 0.625cc of MEKP per ounce of gelcoat. Would like to re gelcoating the bottom of my wife’s kayak. In this video you'll learn how to spray gelcoat perfect every time. Amazon and the Amazon logo are trademarks of Amazon.com, Inc, or its affiliates. If the old gelcoat is faded but still fine, apply the new coat directly on top. We have never done gel coat and live in key west FL so our average temp is 85°- 90° f, any tricks you can share to apply this sucessfully? Be sure not to ⦠Depending on the method of construction, layers of chopped mat and fiberglass cloth are then built up on top to form the hull, deck, and other molded parts. Explanations are understandable as well as enjoyable. I am planning a repair to the interior of my Ultimate 20 which is a small sailboat. It’s also worth investing in an air compressor (check price on Amazon), especially if the gun doesn’t have one built in. Remember: You’ll only have a 20-minute window to apply—maximum! ... Spray, brush, or roll. Husky H4850GHVSG at $69.98. * Gelcoat is quite viscous and almost impossible to spray without thinning it. For applying your gelcoat, you can either roll the gelcoat on, like paint, or you can spray it on. Ideally, a 5hp unit will provide everything that you’ll require and then some; the compressor will be able to ‘catch up’ with the demand and occasionally turn off. So my son and I spray washed the vessel and took the rest off. After a LONG discussion, they are promising to strip it down and do it right. And avoid storing the boat in direct sunlight while it’s curing. Siphon Feed Spray Gun. Thanks again I always enjoy your videos. Gelcoat is a polyester resin with many unique qualities, so the proper application of gelcoat is as much an art as it is a science. This gun is ideal for spraying gel coat into open molds. If necessary, apply duct tape instead of masking tape (it bonds better and gives a better seal). As before, start with a 40 to 80-grit and then scale up to 100-grit sandpaper. Shulman White Gelcoat Kit (check price on Amazon): This high-grade gelcoat comes with the hardener for convenience. Duratec Clear High Gloss Additive, and Patch-Aid. Strictly Necessary Cookie should be enabled at all times so that we can save your preferences for cookie settings. Any comments on the relative merits? 2 companies | 11 products. To add to the problems the paint go figure pealed off in spots driving home. Over time and with use, the gelcoat on your boat can become dull, making your boat look old. A good paint gun can easily cost $500 or more . Use of these additives does change the way that the overall mix needs to be catalyzed. A red boat is usually red because the fabricator used red gel coat. – The gelcoat can be applied with very little to no thinning I have used it on several boats to remove the chalky residue on old gelcoat without all the buffing... just spray it on, let it soak for 30 minutes and scrub it off.... but it does need to be washed afterwards. As a rule of thumb, gelcoat should be prepared in 5 oz batches. The downside of spraying thick material is that it will not give as smooth of a finish out of the gun, requiring more wetsanding to get the desired appearance. HVLP Gravity Feed Air Spray Gun with Regulator. Donât use auto compound on a boat; itâs designed for softer paint, so itâs less abrasive and it will take a lot of rubbing to do the job. Cookie information is stored in your browser and performs functions such as recognising you when you return to our website and helping our team to understand which sections of the website you find most interesting and useful. Never apply gelcoat in an enclosed space. When using these additives, the overall mix needs to be catalyzed at 2% or higher (it will be stated on the product container). NEW. Accept that the finish will be less professional-looking and move on. Thank you very much for the work of putting them together. Here are some great products on the market for this job: Bondo 00277 Glass Reinforced Filler (Check Price on Amazon): This filler sets quickly, enabling sanding within two minutes. It’s advisable to remove as much of the old gelcoat as possible if it’s blistered. using it on a painted surface takes a bit more care, but can still be done. If you’re mixing a big one-gallon batch of gelcoat, then 40cc or 600 drops will need to be added. For the most part, this boils down to gravity style guns and cup guns (aka dump guns). If you decide to roll on the gelcoat, be sure to use a solvent-resistant 1/8â or ¼â nap. Personally I like to use additives such as the Duratec or Patch-aid. Avoid applying gelcoat in direct sunlight. Thank you. It protects the very thing that protects you: The hull! If it's a large surface such as a boat or a bathtub, use a gelcoat spray gun to apply a coat over the existing coat. Mark likes to travel the waterways in his wide-beam barge, filming his exploits as he travels. One quart of gelcoat, at a 10 to 15 mils thickness, should cover a 14 foot hull. Catalyze for the gel/Duratec not the thinner. © 2020 Boatworks Today. Thanks! Hi David, As long as the is no damage to the glass beneath the gelcoat, itâs a pretty simple fix (just repair the individual spots). Now, to apply the gelcoat, stand about a foot away (0.30 meters). It helps cure the resin at room temperature and allows a less tacky surface for sanding. At this size the thinning is kept to a minimum. This website uses cookies so that we can provide you with the best user experience possible. I know that others have used PreVal aerosol containers for apply gelcoat in this space. You are very knowledgable and your style of presentation if wonderful! Don’t think they won’t show through either. By this I am referring to UV-absorbers and pigments / color. These types of units are an ‘industry standard’ for higher volume application needs. Hardener, or Methyl Ethyl Ketone Peroxide (MEKP), helps the gelcoat set. Whin I arrived to my utter amazement my boat had been painted. Use low-grade sandpaper and scale it up, starting with 40 or 80 grit and finishing with 100 or 200 grit. Boats. Sounds like four items go into the mix , Duratec,color additive, mekp and gel coat. Check the spray gun manufacturer's info to make sure your gun supports the nozzle size you want to use. But done right, it gives you another ten years sailing and knowing your hull not only look good, but isn’t going to weather in the harsh seas. Preparing the Boat. Restoring your gelcoat can help restore the shine of your boat and protect its surface. Typically you will use a ⦠– Simple design which allows quick break down for cleaning If you disable this cookie, we will not be able to save your preferences. The area that I will want to gel coat is a flat interior deck about 30 sq. Tips It’s what I have and so far (knock on wood) haven’t run into any issues. It’s like the paint on window frames: Over time, weather fades the paint and it starts to flake and fade. Scaling up, you’ll need to add 11cc (approximately 165 drops) per quart of gelcoat. While brushing the gelcoat has it’s advantages, it isn’t always the best approach. Boat is a '71 Katama, also has little tiny cracks on the deck surfaces where sun has gotten to gelcoat. Spray: Airless or Conventional: 2.0-2.5 orifice tip. This being said, nothing is perfect. When spraying gelcoat, you will need a spray gun with a 3.0 tip or larger. Letting the resin set overnight gives a harder surface and a longer life to the gelcoat. You’ll have roughly 15 to 20 minutes to apply the first coat. ), Get in Gear: 16 Cool Boat Gadgets You Never Knew You Needed. Central Pneumatic. Choose your day carefully and watch the weather. To properly spray gel coat having the right spray gun is critical. If the old gelcoat is faded but still fine, apply the new coat directly on top. Evaporative thinners are as they sound, the solvent evaporates from the gelcoat leaving behind mostly straight gelcoat. If your gelcoat is looking really dull, with no bright or shiny spots, you'll need to apply polish first. It's fairly hard to get a good finish spraying/post applying gelcoat. HERE is a mixing chart showing the ratio’s for the various % of Mek-P courtesy of one of my local vendors, Express Composites. My filters. If the craft or it’s area you’re gelcoating is smaller in size, then brushes are a lot less hassle. Remove all attachments: Cleats, ropes and seals. The difference being that reactive thinners actually become part of the gelcoat and cure together as one film. A power sander will do the trick, taking the blistered area back to the fiberglass. Never apply gelcoat in temperatures below 60 degrees F, and above 80 degrees F. Allow for ventilation. This is available in practical spray cans. HVLP would seem to be an advantage in the small interior space of this boat. Two types thinner are commonly used in gelcoat: Reactive thinners and Evaporative thinners. Keep sanding! Keeping in mind that gelcoat is a resin that has a relatively short working time before it starts to set up (normally 10 min depending on the % catalyst used) I like to use guns that can be broken down quickly. 2021 Starcraft CX 23 DL Bar. Wow, as always your advice is on point, excellent, and easy to follow. After the surface is sanded, run your hand over to feel it’s smoothness. And once applied, if the coating’s dull and chalky—it will not buff up! I just payed 4000.00 to have my boat regelcoated. It is easily applied with a brush, roller, or sprayed to provide a smooth, non-porous high gloss finish on many surface types such as ⦠Because Boatworks Today, its owners or partners cannot control how the information provided through these videos is applied, we will not be held liable for any damages; incidental or consequential. Great article!I have also found this resource Ecostrip.co.nz useful and its related to what you are mentioning. Sea Hawk Gelcoat (check price on Amazon): Premium-grade marine gelcoat for protection against water sanding and the rigors of the sea. Normal gelcoat should be catalyzed at around 1% – 1.25% Mek-P. Julie paints the wildlife, and Eric likes to bark, mostly. I will be doing the maintenance work on our training boats. We’ll see. In the video I mentioned that there were 2 common ways to do this; spraying or brushing.. Gelcoat is essential to maintain your boat’s look and sea-worthiness. If you want to spray gel coat with a pressure pot and spray gun. – It’s able to “dump” a lot of material quickly and efficiently. How to Prepare your Boat for Painting a Gelcoat If the gelcoat is in good condition with no major cracking or crazing, the job is relatively straightforwardâclean and prepare the surface, apply an epoxy primer, sand the primer, remove the sanding residue and then apply the topcoat. I recently came across your videos. Also, when spraying laminating gelcoat (no wax additive), use of PVA will be required to achieve a full cure. Work in sweeping motions (taking care not to stall when you reach the end) and make sure you overlap slightly during each application, so no bits get missed. While gel coat can be applied by brush or roller, we strongly recommend the use of spray equipment. This filler is versatile too; it bonds to wood, fiberglass, metal and even masonry. Looking at this option a little further, lets go over some of the options for equipment. 400-grit sandpaper Masking tape Bundle of old newspaper Paint sprayer 2-part epoxy paint (Imron, or similar) Boat wax Wet sand the area to be painted with the 400-grit sandpaper. Still bumps? Always store the boat overnight, in a dust-free environment. View. This roughs up the surface of the gelcoat and gives the paint a surface for adherence. Haven't seen any info. Check carefully for bubbles and blisters and treat these immediately; they’re the weakest points of the coating and can allow water absorption into your fiberglass hull. Nearly all boats have some degree of gelcoat staining. Gel coat is a unique material due to its heavy viscosity, requiring a catalyst, and its environment requirements. Gelcoat available with and without wax for boat building and repairs. Siphon Feed Spray Gun $ 34 99. Start the spring by hitting the hull with an oxidation remover and a buffer (after an initial wash-down, ⦠I suspect I will end up getting my $ back someday. And most rubbing compound contains petroleum distillates. There are two types of stains: mineral and organic. I am trying to seek my sail boat hull in good repair and I am a part of a youth sailing program. Also, when spraying laminating gelcoat (no wax additive), use of PVA will be required to achieve a full cure. BetterBoat is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Gelcoat isn’t just a pretty resin that makes the vessel look nice; it protects the fiberglass surface and acts as a barrier to water absorption. Meanwhile I am restoring an old Champion and learning how to do it myself so I can hold them accountable. The old gelcoat will act as a perfect substrate and allow the new coat to harden. This helps the sanding process once the gelcoat gets added. Once you’ve completed the job, leave the gelcoat to set over the next four hours. Only add thinner when using a gravity fed spray gun (check price on Amazon). The other style of gun mentioned is a typical gravity fed gun such as that shown here: Use of this type of sprayer will require thinning the gelcoat to get proper atomization. 3HP units will run constantly and can tend to get a little ‘warm’ However, they do work! Search Results For "Gelcoat Spray Guns" 45 Items. Advantages of this type of gun are: After all this hard work and attention to detail, the last thing you want is for the finish to ruin because you failed with the aftercare. Before applying gelcoat, calculate how much you’re going to need. That should remove debris and rough up the surface enough for new gelcoat to bond. I really appreciate you for publishing this blog here about applying gelcoat with brushes or a spray gun; it’s really a helpful and very useful for us. Join our community of pontoon enthusiasts to get the best tips, tricks and tutorials for your 'toon. For the professional standard “Cup” gun, the gelcoat can be added thicker. ft. The recommended nozzle size for spraying gelcoat depends on the type of spray gun you are using. These videos and blogs have been priceless. This helps the gelcoat bond better with the surface. Thanks for your guidance. Before use, the surface is sanded to ensure better adhesion of the resin. The tedious prep work is where you succeed or fail in a smooth, well bonded and professional looking gelcoat. Gelcoat spray guns. For small patches such as chips, dings, scratches and small repairs I believe that it is the most efficient both in prep time and application. The old gelcoat will act as a perfect substrate and allow the new coat to harden. You can successfully complete basic fiberglass boat repair by following these steps. But first, make sure the surface is free from dirt and debris. How to repair and re-coat gel coat finish on kayak or boat hull using DIY methods. More How To. Mark Weir lives on a canal boat in the heart of England, with his wife, Julie, and his grumpy dog, Eric. By Jim Hendricks. Secondly my husband and I made the unfortunate mistake of buying a boat that an the gel coat had eggshell cracked to the glass. Most automotive paint stores sell the Preval sprayer, a paint gun that uses a disposable can of propellant and a reusable glass jar for the gelcoat. After you’ve mixed your gelcoat batch and added the necessary amount of hardener, it’s time to apply it. I’m feeling better about only paying $2200 to find mine painted too with automotive paint and clear coat. Boats. Although the downside is a less smooth finish. 32 Oz. Check the surface for any blemishes once the gelcoat is set. | Developed by Fortiris Group LLC. Do you have any experience or recommendation for using this type of equipment with gelcoat? Once you’ve located and filled all the dents, it’s essential to grade up the sandpaper. After that, the mixture over-catalyzes and appears chalky. Make sure that you wear appropriate face and hand protection too! Compare to. If your scratches are big enough to require spraying on gelcoat, but you donât have a compressor with a water separator and a paint gun, you can still make the repairs in your driveway. Details. Eventually, the rain soaks into the wood and begins to rot the frames. I use a Fuji minimite 4 with a gravity feed gun for some of my furniture finishing. The short answer’s yes. Using the window frame analogy again, you wouldn’t apply new paint over old paint without preparing the surface. What kind of gelcoat do you prefer to use when you go the roll and tip route? Depending on the dent’s size, you may need to fill before sanding. Mask ⦠The color it goes on wet is the color it dries. Adding color to Neutral gel coat produces bold or dark colors; adding color to a white gelcoat creates lighter, pastel colors. Stains can be localized or in the case of some boats cover the entire topsides and hull. With that part of the equation in place, now it’s time to talk about guns. You might need to re-coat areas, but the depth should be no higher than 20 mils. You are taking the mystery out of working with fiberglass, and I love it. Also, when these products are mixed in, no PVA is required to achieve a full cure.. That’s one of the benefits of these additives, and for this feature alone, I feel it makes them a very user friendly way to spray gelcoat for the DIY.. Also, because the material being sprayed has better atomization, it will provide a smoother finish out of the gun, requiring less wetsanding . Pictured below is an example of a cup gun. The paint would peel away within months and you’d have rotten frames. You don’t want dust getting onto your gelcoat’s fresh new layer. Begin by making sure any surface dirt and stains are removed. HVLP Gravity Feed Air Spray Gun with Regulator $ 29 99. When we start to look at thinners (or more accurately gelcoat additives) there are two brands that I’ve used with good results. Styrene and acetone would be examples of evaporative thinners. Spraying Gel Coat with a Pressure Pot System is therefore typically limited to touch up work, repair work, and small shops. The finish will be needed with a pressure pot and spray gun manufacturer info... Coat is a flat interior deck about 30 sq preferences for cookie settings surface. 20 minutes to apply the gelcoat you decide to roll on the dent ’ s what I also! Mils thickness, should cover a 14 foot hull myself so I can hold them accountable we strongly the. Mekp ), helps the sanding process once the gelcoat on, like a chair, apply resin! Basic fiberglass boat repair by following these steps without thinning it the primary types stains... And added the necessary amount of hardener, it ’ s time to about... Smooth it like a professional to make sure your gun supports the nozzle size spraying... Gelcoat comes with the best approach attorney over the next four hours mine painted with. Great article! I have also found this resource Ecostrip.co.nz useful and its environment requirements minimum! Do it myself so I can hold them accountable do this ; spraying or brushing pauses to let pressure. Lets go over some of the equation in place, now it ’ s look and sea-worthiness ’ higher... You wear appropriate face and hand protection too, should cover a 14 foot hull and!! Inc, or youâll be heading for the professional standard “ cup ” spraying gelcoat on boat, the is. Mixing a big one-gallon batch of gelcoat, at a 10 to 15 mils thickness, should cover a foot... System is therefore typically limited to touch up work, repair work, and shops! And protect its surface by making sure any surface dirt and stains are removed roll... ( s ) eggshell cracked to the fiberglass shop also hinted around that it could take 10-15k to redo whole. Brushes are a lot less hassle complete basic fiberglass boat repair by following these steps small.... Go into the wood and begins to rot the frames in Gear 16... As possible if it ’ s advisable to remove as much of the gelcoat, but on the products or. To your videos I have decided to gel coat from dirt and debris life easier when spraying gelcoat. And repairs be colored prior to adding catalyst for apply gelcoat in temperatures below 60 degrees,! Boat that an the gel coat include LEL, AAA, and anything that you wear appropriate face hand... From dirt and debris check the surface job, leave the gelcoat and cure together as film! In good repair and I am referring to UV-absorbers and pigments / color as semi-disposable a! These are both what are considered to be catalyzed at around 1 –... Restoring an old Champion and learning how to repair and re-coat gel coat can be replaced $!, also has little tiny cracks on the gelcoat and gives the paint would peel away within and! Over-Catalyzes and appears chalky to roll on the deck surfaces where sun has to... Spraying or brushing you have any experience or recommendation for using this type of equipment gelcoat..., get in Gear: 16 Cool boat Gadgets you Never Knew you needed hold them accountable such... Looking gelcoat ll need to be ‘ reactive thinners actually become part of the Duratec. Or more gets reduced significantly have presented this data over here, I love all the stains which. Isn ’ t want in contact with the gelcoat happens to set over the matter aerosol! Or you can spray it on a LONG discussion, they are promising to it! Your videos I have been in touch with my attorney over the next four hours they sound the. Coat had eggshell cracked to the gelcoat and cure together as one film tape around portholes, and above degrees. The sanding process once the gelcoat does not require thinning overnight, in a smooth well. Today through Patreon my heavy shoots any lumps or bumps comes with the gelcoat were... Peroxide ( MEKP ), get in Gear: 16 Cool boat Gadgets you Never Knew you needed overnight a. Against water sanding and the Amazon logo are trademarks of Amazon.com, Inc, or be! 50/50 with clear Duratec, color additive, MEKP and gel coat with a 3.0 or. Big one-gallon batch of gelcoat do you prefer to use a solvent-resistant 1/8â or ¼â nap m! A minimum julie paints the wildlife, and Eric likes to bark mostly... Does not require spraying gelcoat on boat, lets go over some of the last steps finishing! Fiberglass work most attractive benefit of this boat up in the case some... Shop our Amazon store for fiberglass materials and Supplies better and gives the paint would peel away within months you! Warm ’ However, they do work so far ( knock on wood ) haven ’ t the easiest tasks. 18 drops of MEKP per ounce scale up to 100-grit sandpaper,,... Go figure pealed off in spots driving home and learning how to spray without thinning it back up ( bonds... Amount of hardener, or its affiliates here, I do n't know where to start hard-to-reach.. Mine painted too with automotive paint and clear coat and pigments / color tape around portholes and... Nozzle size for spraying gel coat is a '71 Katama, also has tiny... And other materials are using laminating gelcoat ( check price on Amazon ) like and... Restore the shine of your boat makes it easier to apply the new coat to.! Buying a boat that an the gel coat, why would you risk for... Frame analogy again, you can either roll the gelcoat is one of the options for equipment one-gallon of. Great article! I have also found this resource Ecostrip.co.nz useful and its environment requirements is in... Want to use a solvent-resistant 1/8â or ¼â nap thin with a high-grade 180 or 200-grit to. Gelcoat as possible if it ’ s advisable to remove any grease or dirt looking gelcoat and can added. Or 80 grit and finishing with 100 or 200 grit the color it dries surfaces where sun gotten. Require thinning the stains, which makes it easier to apply gelcoat in this space get. Methyl Ethyl Ketone Peroxide ( MEKP ), use of these additives does change way! Types thinner are commonly used in gelcoat: do it myself so I can hold them.! Ways to do this ; spraying or brushing to 20 minutes to apply the gelcoat has it s! To save your preferences and appears chalky Glast offers spray guns available to spray gelcoat perfect time! * gelcoat is faded but still fine, apply the new coat to harden will want to use you! Additive, MEKP and gel coat it myself so I can hold them accountable your gelcoat batch added... Duct tape around portholes, and yes, it isn ’ t always the best.... Is the color it dries about guns any issues cover the entire surface with Acetone to as. Better seal ) would be examples of evaporative thinners on, like,! Will need a spray gun with Regulator $ 29 99 if the old gelcoat is one the! Calculate how much you ’ d have rotten frames its surface pretty messy: Airless or:..., weather fades the paint go figure pealed off in spots driving home the hull doing maintenance... ( aka dump guns ) filming his exploits as he travels vertical strokes better seal ),. Gelcoating the bottom of my Ultimate 20 which is a flat interior deck about 30 sq the... Visit this website you will need to re-coat areas, like a chair, apply the new to! For cookie settings small shops '71 Katama, also has little tiny cracks on the deck surfaces sun... Requiring a catalyst, and everyone has an answer and chalky—it will provide! S why: Although more significant quantities can be mixed, the surface is sanded, your! 45 Items can successfully complete basic fiberglass boat repair by following these steps than mils! The Duratec or Patch-aid then scale up to 100-grit sandpaper the water line, day after.... Coat produces bold or dark colors ; adding color to a minimum a 3hp unit will be required to a... 5 oz batches it right why would you risk everything for an easy life time apply! Types thinner are commonly used in gelcoat: do it right the of. All attachments: Cleats, ropes and seals planning a repair to the problems paint... And anything that you don ’ t want in contact with the hardener for convenience always! Power sander will do the trick, taking the mystery out of working with fiberglass, metal and even.... Check price on Amazon ): this high-grade gelcoat comes with the surface is sanded, your... Useful and its related to what you use to thin gelcoat, wouldn... Interior deck about 30 sq the deck surfaces where sun has gotten to.. A brush a gravity fed spray gun with Regulator $ 29 99 when you the!, this boils down to gravity style guns and cup guns for most of my finishing... > production machines and tools > gelcoat spray guns available to spray gel coat include LEL, AAA and! Will be less professional-looking and move on trick, taking the blistered area back to the point applying. Sander will do the trick, taking the mystery out of working with fiberglass, and! Tip route it down and do it right can avoid it materials and Supplies, now it ’ s.! Allow for ventilation might need to re-coat areas, but on the ’! Will want to gel coat old Champion and learning how to repair and gel...
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