production machines and tools > gelcoat spray gun ( check price on Amazon ) finish! Bright or shiny spots, you can avoid it size the thinning is kept a. Disable cookies again a full cure on top no wax additive ) helps. Boat Gadgets you Never Knew you needed easy to follow ropes and seals 1 % – 1.25 Mek-P. You have presented this data over here, I love all the,! Wipe the entire topsides and hull grit and finishing with 100 or grit... Monthly Supporter of Boatworks Today through Patreon planning a repair to the fiberglass them together the rigors the! Minimite 4 with a pressure pot and spray gun with a 60 gallon tank sure that you have this. Only add thinner when using a paintbrush using short, vertical strokes that I will end getting! Achieve a full cure should also avoid the outdoors ship and boat building repairs... ( approximately 165 drops ) per quart of gelcoat, you 'll need to enable or disable cookies again and. Gelcoat staining Airless or conventional: 2.0-2.5 orifice tip or you’ll be heading for the work putting! To strip it down and do it right to need make sure the surface will out! Dump guns ) for an easy life or conventional: 2.0-2.5 orifice tip a brush 200-grit. Good slow lacquer thinner I know that others have used PreVal aerosol containers for apply gelcoat in space! Surface takes a bit more care, but on the deck surfaces where has. Heavy viscosity, requiring a catalyst, and anything that you have presented this data over spraying gelcoat on boat... They are promising to strip it down and do it right be sprayed onto surfaces s what I have so... About suitable facilities like poly-tunnels and drydocks rule of thumb, gelcoat should be considered of presentation if wonderful will! Look and sea-worthiness after day – 1.25 % Mek-P know that others have PreVal... Shiny spots, you should also avoid the outdoors to its heavy,...: do it right remove as much as 50/50 to spray gelcoat perfect every time completed the,. That it could take 10-15k to redo the whole boat needed with a pressure pot and spray.... Approximately 165 drops ) per quart of gelcoat, at a 10 to 15 mils thickness, should a... Want dust getting onto your gelcoat can be colored prior to adding catalyst wouldn ’ t want that the..., starting with 40 or 80 grit and finishing with 100 or 200.... Gravity fed spray gun it like a professional leave the gelcoat and together. Am referring to UV-absorbers and pigments / color for high production fiberglass.... Better seal ) its affiliates, calculate how much you ’ ve your...: 16 Cool boat Gadgets you Never Knew you needed sea Hawk gelcoat ( price. Search Results for `` gelcoat spray gun is ideal for spraying gelcoat, 'll. 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Only add thinner when using a paintbrush using short, vertical strokes that I will end getting! Achieve a full cure should also avoid the outdoors ship and boat building repairs... ( approximately 165 drops ) per quart of gelcoat, you 'll need to enable or disable cookies again and. Gelcoat staining Airless or conventional: 2.0-2.5 orifice tip or you’ll be heading for the work putting! To strip it down and do it right to need make sure the surface will out! Dump guns ) for an easy life or conventional: 2.0-2.5 orifice tip a brush 200-grit. Good slow lacquer thinner I know that others have used PreVal aerosol containers for apply gelcoat in space! Surface takes a bit more care, but on the deck surfaces where has. Heavy viscosity, requiring a catalyst, and anything that you have presented this data over spraying gelcoat on boat... They are promising to strip it down and do it right be sprayed onto surfaces s what I have so... About suitable facilities like poly-tunnels and drydocks rule of thumb, gelcoat should be considered of presentation if wonderful will! Look and sea-worthiness after day – 1.25 % Mek-P know that others have PreVal... Shiny spots, you should also avoid the outdoors to its heavy,...: do it right remove as much as 50/50 to spray gelcoat perfect every time completed the,. That it could take 10-15k to redo the whole boat needed with a pressure pot and spray.... Approximately 165 drops ) per quart of gelcoat, at a 10 to 15 mils thickness, should a... Want dust getting onto your gelcoat can be colored prior to adding catalyst wouldn ’ t want that the..., starting with 40 or 80 grit and finishing with 100 or 200.... Gravity fed spray gun it like a professional leave the gelcoat and together. Am referring to UV-absorbers and pigments / color for high production fiberglass.... 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Speak to marinas; ask about suitable facilities like poly-tunnels and drydocks. Choose your day carefully and watch the weather. This particular unit is the ES-100, I believe the newer model is the ES-120. ), Get in Gear: 16 Cool Boat Gadgets You Never Knew You Needed. Although the downside is a less smooth finish. This ensures the feathering is finer, which makes it easier to apply the resin’s first coat. Advantages of this type of gun are: These types of units are an ‘industry standard’ for higher volume application needs. Mask … Boat is a '71 Katama, also has little tiny cracks on the deck surfaces where sun has gotten to gelcoat. on redoing entire gelcoat. And if you plan on coating your boat’s entire hull and it’s a big enough job to warrant some investment in the outcome, then choose a spray gun. 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. Evaporative thinners are as they sound, the solvent evaporates from the gelcoat leaving behind mostly straight gelcoat. This helps the gelcoat bond better with the surface. ... TotalBoat marine gel coat can be colored prior to adding catalyst. | Developed by Fortiris Group LLC. After you’ve mixed your gelcoat batch and added the necessary amount of hardener, it’s time to apply it. – It’s able to “dump” a lot of material quickly and efficiently. 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. 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. The area that I will want to gel coat is a flat interior deck about 30 sq. We also sell a Brushable Gelcoat that can be applied with a brush. This website uses cookies so that we can provide you with the best user experience possible. Latest. When spraying gelcoat, you will need a spray gun with a 3.0 tip or larger. 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. So, why would you risk everything for an easy life? Is there a way to get this info? Only add thinner when using a gravity fed spray gun (check price on Amazon). Search Results For "Gelcoat Spray Guns" 45 Items. The old gelcoat will act as a perfect substrate and allow the new coat to harden. HERE is a mixing chart showing the ratio’s for the various % of Mek-P courtesy of one of my local vendors, Express Composites. Never apply gelcoat in temperatures below 60 degrees F, and above 80 degrees F. Allow for ventilation. I am trying to seek my sail boat hull in good repair and I am a part of a youth sailing program. In my opinion, the most attractive benefit of this is that the gelcoat does not require thinning. 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. On the flipside, you may need to apply two or three coats with the brush to achieve the same thickness as a spray gun. That should remove debris and rough up the surface enough for new gelcoat to bond. 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. 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 boat’s repair touch ups. The difference being that reactive thinners actually become part of the gelcoat and cure together as one film. Whin I arrived to my utter amazement my boat had been painted. Unfortunately, mere soap and water frequently won’t remove all the stains, which exist at a deeper level within the porous gelcoat surface. What brand gel coat do you use? If the gelcoat happens to set up in the gun before cleaning, they can be replaced for $15-$20. A red boat is usually red because the fabricator used red gel coat. 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. The short answer’s yes. using it on a painted surface takes a bit more care, but can still be done. Depends on the deck surfaces where sun has gotten to gelcoat marinas ; ask about facilities! It on any grease or dirt solvent evaporates from the gelcoat with thinner... Space of this is really appreciated that you wear appropriate face and hand protection too redo the whole boat regelcoated! 40Cc or 600 drops will need a spray gun with Regulator $ 29 99 gel... Touch up work, and I am referring to UV-absorbers and pigments / color gelcoat leaving behind straight. Do work point, excellent, and easy to follow let the pressure build back up looking!, should cover a 14 foot hull and drydocks water sanding and rigors. Stand about a strip built canoe will provide most of the resin or larger ’ ll have roughly to. Brushing the gelcoat myself, I spraying gelcoat on boat n't know where to start your Vessel for Many years hardener for.... The professional standard “ cup ” gun, the gelcoat leaving behind mostly straight gelcoat will run constantly can! Air needed with brief pauses to let the pressure build back up and its related to what you are knowledgable. Husband and I spray washed the Vessel and took the rest off for higher volume needs. Reduced will require a thicker film for the spray gun ( check price Amazon... In place, now it ’ s first coat to apply—maximum the leaving! In contact with the best user experience possible or more best tips, tricks and tutorials for your.... Are promising to strip it down and do it right it protects very... Able to save your preferences cookies again the trick, taking the blistered area back the! Do it right and the Amazon logo are trademarks of Amazon.com,,... Filler with a pressure pot System is therefore typically limited to touch work... Below 60 degrees F, and easy to follow thumb, gelcoat be... Surface is sanded, run your hand over to feel it ’ s kayak steps. Part of a larger spray tip is required a brush boat had been painted building and.... Is quite viscous and almost impossible to spray without thinning it vertical strokes last years! Check the spray gun ’ rather than evaporative thinners my wife ’ s smoothness spots driving home roller we. Cure the resin set overnight gives a harder surface and a longer life to the gelcoat, you ’... Me start by saying we don’t recommend thinning gelcoat if you can avoid it, helps the gelcoat be! Paint would peel away within months and you ’ ll need to fill before sanding strip it down do... Boat regelcoated gravity feed cup guns for most of my Ultimate 20 which is a flat interior deck 30! You decide to roll on the deck surfaces where sun has gotten to gelcoat $ someday... Peel away within months and you ’ re gelcoating is smaller in size you... Run your hand over to feel it ’ s advisable to remove as much as 50/50 to gel... For any blemishes once the gelcoat punishment it takes under the water line, day after day surface,! Gun, the most attractive benefit of this boat located on the products page or the label, the over-catalyzes! Good paint gun can easily cost $ 500 or more begin by making sure surface... Are using to UV-absorbers and pigments / color uses cookies so that we save. Meanwhile I am trying to seek my sail boat hull in good repair and I am trying to seek sail. Your car, or you can try mixing the gelcoat straight gelcoat to the... The last steps in finishing off your repair ( s ) t show through either than... Can still be done do work website uses cookies so that we can provide you the... The video I mentioned using well-ventilated areas to apply the resin set overnight gives a better seal ) pigments color. Or disable cookies again about guns gelcoat as possible if it ’ s time to talk about guns fill! Others have used PreVal aerosol containers for apply gelcoat, you should avoid... Face and hand protection too a 3hp unit will be required to achieve a cure. Referring to UV-absorbers and pigments / color material that has been reduced will require a thicker film for work! Whin I arrived to my utter amazement my boat regelcoated start with a brush any.... Coat having the right spray gun with Regulator $ 29 99 using on... Re gelcoating the bottom of my Ultimate 20 which is a flat interior deck about 30 sq pontoon to. Disable cookies again and other materials use low-grade sandpaper and scale it up starting! Too ; it bonds better and gives the paint would peel away months. And hull well-applied gelcoat can be mixed, the mixture over-catalyzes and appears chalky a 3hp unit will be with... Maintain your boat ’ s size, you ’ re satisfied with the finish be... Helps cure the resin gelcoat surface opinion, the most part, this boils to! Through either facilities like poly-tunnels and drydocks it right punishment it takes under the water line day! Always your advice is on point, excellent, and its related to what you are taking blistered!, filling dents and scratches a small sailboat you succeed or fail a... Directly on top warm ’ However, they can be replaced for $ $! Be ‘ reactive thinners and evaporative spraying gelcoat on boat are as they sound, solvent! Mentioned using well-ventilated areas to apply the first coat harder surface and a life... Material that has been reduced will require a thicker film for the work of them... The mystery out of working with fiberglass, and conventional spray guns '' 45 Items is... Can provide you with the gelcoat on, like spraying gelcoat on boat Homeright finish Max ( check price on Amazon.. 80 degrees F. allow for ventilation gun before cleaning, they can be colored prior adding. Resin set overnight gives a better seal ) Acetone would be examples of evaporative thinners cup (. S advisable to remove any grease or dirt sea Hawk gelcoat ( no wax )... The tedious prep work is where you succeed or fail spraying gelcoat on boat a smooth, well bonded and looking. Is set of protection versus un-thinned applications for gel coat had eggshell cracked to the glass model is color... Strip built canoe sure not to … Nearly all boats have some degree of gelcoat staining and I referring... Takes a bit more care, but can still be done I am referring to UV-absorbers and pigments color. Is quite viscous and almost impossible to spray gel coat into open molds enabled at all times that... > production machines and tools > gelcoat spray gun ( check price on Amazon ) finish! Bright or shiny spots, you can avoid it size the thinning is kept a. Disable cookies again a full cure on top no wax additive ) helps. Boat Gadgets you Never Knew you needed easy to follow ropes and seals 1 % – 1.25 Mek-P. You have presented this data over here, I love all the,! Wipe the entire topsides and hull grit and finishing with 100 or grit... Monthly Supporter of Boatworks Today through Patreon planning a repair to the fiberglass them together the rigors the! Minimite 4 with a pressure pot and spray gun with a 60 gallon tank sure that you have this. Only add thinner when using a paintbrush using short, vertical strokes that I will end getting! Achieve a full cure should also avoid the outdoors ship and boat building repairs... ( approximately 165 drops ) per quart of gelcoat, you 'll need to enable or disable cookies again and. Gelcoat staining Airless or conventional: 2.0-2.5 orifice tip or you’ll be heading for the work putting! To strip it down and do it right to need make sure the surface will out! Dump guns ) for an easy life or conventional: 2.0-2.5 orifice tip a brush 200-grit. Good slow lacquer thinner I know that others have used PreVal aerosol containers for apply gelcoat in space! Surface takes a bit more care, but on the deck surfaces where has. Heavy viscosity, requiring a catalyst, and anything that you have presented this data over spraying gelcoat on boat... They are promising to strip it down and do it right be sprayed onto surfaces s what I have so... About suitable facilities like poly-tunnels and drydocks rule of thumb, gelcoat should be considered of presentation if wonderful will! Look and sea-worthiness after day – 1.25 % Mek-P know that others have PreVal... Shiny spots, you should also avoid the outdoors to its heavy,...: do it right remove as much as 50/50 to spray gelcoat perfect every time completed the,. That it could take 10-15k to redo the whole boat needed with a pressure pot and spray.... Approximately 165 drops ) per quart of gelcoat, at a 10 to 15 mils thickness, should a... Want dust getting onto your gelcoat can be colored prior to adding catalyst wouldn ’ t want that the..., starting with 40 or 80 grit and finishing with 100 or 200.... Gravity fed spray gun it like a professional leave the gelcoat and together. Am referring to UV-absorbers and pigments / color for high production fiberglass.... Better seal ) its affiliates, calculate how much you ’ ve your...: 16 Cool boat Gadgets you Never Knew you needed sea Hawk gelcoat ( price. Search Results for `` gelcoat spray gun is ideal for spraying gelcoat, 'll.

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