This is a rule which I have obeyed for years, and it has never let me down. Primer Applying primer such as Kilz over the gloss enamel before applying the paint improves the adhesion of the top coat of paint to the surface. While you will get acceptable results with a siphon feed spray gun, you will get better results by using a high-volume, low-pressure gun, which sprays paint at the same rate but with much less overspray. Yes, Tamiya's metallics can be a bit problematic to mask over. The answer is yes. The only problem would come from the thinner used with the enamel. The big question is, can you paint over polyurethane? Acrylic latex paint can be used over oil-based paint, but it requires additional preparation according to Pittsburgh Paints. This also applies to adding an acrylic enamel for an extra shine. Some spots looked as if he attacked it with a blow torch. Cluck, cluck, cluck... oop's my feathers are showing. I told him it was not designed for plastic or going over enamel. All I do is color sand and rub out before waxing. If you just apply a coat of water-based paint, it won’t adhere properly on the surface and the colour will fade quickly. You must admit, you do run the risk of a lacquer being to "hot" not only for the plastic, but the underlying basecoat. Some other parts also looked shiny and melted. In reverse, some acrylics may be reactive to enamel thinners. He's already making the AB setup list. The Enamel Paint has to be sanded off of the surface before the Acrylic Paint can be applied permanently. After a short period of time he stood there watching the lacquered parts starting to get soft and distort while the painted parts remained fine. He picked up a kit, some bottle enamel paints, a spray can, cement, a few brushes, etc... A few weeks later he comes back in carrying a brown paper bag. What if enamel is thinned with paint thinner?, can it be painted over dried/cured acrylic paint? That is, however, using a hand brush and dipping straight from the bottle. When a car is painted with acrylic enamel, a clear coat is applied over the paint. If the paint is in good shape, there's no reason why you can't paint over it. This is because the solvents used in lacquers are MUCH "hotter" (stronger, faster evaporating) than enamel solvents, and the lacquer solvents can 'dissolve' the enamel paint underneath them, leading to "alligatoring" or cracking or other things that TOTALLY ruin the paint finish. I knew right away but I had to ask - "What did you do to make the parts shiny?" You can paint acrylic paint over enamel paint, but only with proper surface preparation. Even enamel paintjobs that were 5+ years old. I have to ask, what are you thinning your paint with? When painting over gloss enamel, choose a self-priming paint that is of high quality to prevent possible future problems with peeling. But first he would have to do one thing for me, bring in the can of lacquer. All products can be bought online at http://www.polyvine.com 1 year-10 years later the water based paint will scrape right off in sheets. Luckily, you can put a fresh coat of paint over your enamel-painted wall if you have the right tools and steps. From: Biding my time, watching your lines. You can paint acrylic paint over enamel paint, but only with proper surface preparation. If you wish to use acrylic car paint to paint your vehicle, bear in mind a few techniques that could help you attain good end results. Apply at least two coats of water-based paint over oil-based paint. But I also know one persons idea of a light coat might not be the same LOL. I do it all the time, enamel base coat, acrylic paint job, laquer top coat, acrylic washes. But with my luck I'll use one that isn't. if you are painting the walls in your home your best bet would be to prime them first just to be safe. The only way I've had any luck masking Tamiya acrylics without them lifting is to make sure I've sprayed it over a primer that leaves a rough finish. Isn't Testors Dullcoat a lacquer? Over time, an enamel-painted wall will grow worn and old-looking. The clear coat of urethane supplies the acrylic enamel paint with a buffer between the paint and the elements. Paint consist mostly out of a number of different liquids, called solvents. It should stick with no problems. You're right on, Mike. Applying a clear gloss coat can help "bind" these loose particles, but often that alters the appearance of the metallic. If you're going to apply semigloss enamel paint to a wall that's covered with high-gloss paint, for instance, you'll typically need to prepare the existing surface beforehand. Enamel is a term for the type of finish, not a type of paint. He asked me how I got them looking so good because he never could. You can generally paint acrylics over (well cured) enamels without any issues at all. Hey folks, I am looking at spray painting a design onto a board that has been done in epoxy. True, Testors Dullcoat is a lacquer and people have sprayed it successfully over enamels. Painting a car makes it look new again. C'mon over here and answer this guys question will ya?! particularly in the case of the flat metallics like Flat alumimium and metallic grey. I have never had a problem painting one type over the other either ahndbrushing or airbrushing, By signing up you may also receive reader surveys and occasional special offers. While you can apply oil-based enamel directly on top of acrylic paint - you can't apply water-based paint on top of oil-based enamel paint. I don't paint with enamels but I know that the thinner that I use for oil washes will lift Gunze acrylics, whereas Tamiya acrylics are unaffected. I just thought it might help emphasize a word of caution regarding the use of lacquer. Con: Cost I only intended to add a word of caution. Hey! Cha ching. If you just apply a coat of water-based paint, it won't adhere properly on the surface and the colour will fade quickly. F is for FIRE, That burns down the whole town! Things that can cause the new paint to fail include using latex paint that is not 100 percent acrylic and not preparing the wall properly. When making the choice to use acrylic paint, you don’t have to worry about having to prep the paint, such as mixing in hardeners, as is necessary with urethane paint. I usually paint with Testors MM enamals and use some Tamiya acrylics over them and have never had an issue. Can you paint acrylic over enamel paint? That's the last but not the only example of problems I've had with the paint. For best results enamel paint should be allowed to dry for three to seven days before applying the finish. I've learned that if I expect to mask something that I use only enamels for that color. Thanks Jim and I didn't think you were picking on me. I understand why you mention a couple of light mist coats first. I have a question, that's probably been asked a thousand times: Will acrylic paint stick to something painted with enamels? If you do, you will see that the paint starts to split or separate on top of the oil-based enamel and won't adhere properly. Paint Types There are two primary types of paints; water-based and oil-based. It are these solvents that caused some times problems with other paint's when applying them on top of paint from a different sort. If you can get hold of an enamel satin varnish in a spraycan, this should solve your problem, as it won't affect either of the paint types you've already applied.. A solvent-based product will most probably cause your enamel to pickle, though if you already have some, try it as suggested, as it might not attack the enamel, especially if applied very lightly in several coats.. I built an Avia B.534 last winter and used Tamiya acrylics. There is no fool so great a fool as a knowing fool. To know is not He's happy now and is going to come back to have me AB a custom paintjob for him in a few weeks. Acrylic and enamel play safe with each other.Anything over lacquer is safe.Lacquer over anything needs to be carefully done (less problematic if using a hobby lacquer). NEVER enamel over acrylic and NEVER lacquer over anything. Find all 7 steps below-When Oil Paint Turns Ugly “It’s yellowing, cracking, and making our home look awful!” Daniel points out. Vice-Versa? Tamiya acrylics are not usually affected, Gunze acrylics are. vice-versa?Anything I should be warned about before doing? I told him I would gladly replace the kit if the Testors paint did that to his kit. Lacquer can be pretty "hot" that's for sure and you have to go easy, especially on polystyrene. My cautious answer would be that if the acrylic is fully cured (that may take days) and the enamel is applied in light coats, it should be fine. We do not sell, rent or trade our email lists. Even though he confessed on trying to take a short cut from the sanding and rubbing and agreed it was the lacquer, I replaced his kit anyways after he promissed to by the Testors clear. I didn't mean to pick on you Mike, was just joking. Most wooden furniture has a polyurethane finish. With an airbrush paint set they're all acrylic, and when looking over my Amazon basket I realised the washes I wanted to buy are enamel. You can also use spray paint that has been manufactured specifically for metal surfaces. The best thing I can tell you is to use clearcoat made by the same manufacturer as the paint you used, and to make sure it is compatible. I've never had significant problems with Tamiya acrylic not sticking, and I don't often use a primer. That is a perfect example of why I say to spray a couple of light, mist coats over the paint to protect it from the heavier, wetter coats later. The thinners used for acrylics are "softer" and don't usually affect enamels. Acrylic clearcoat won't work on enamel… He abliged and I sprayed some scrap styrene I had, some with the paint and some with the lacquer. Hey Manny! Unless you are spraying acrylic enamel from a can, you will need an air spray gun and a compressor to apply it -- it is not a job for an airless sprayer. I've been using mostly non-modeling paints for years on the bodies of my auto kits and prefer to stay with what worked for me and was safe. So you can not simply paint Acrylic Paint over Enamel Paint because the water-based Acrylic paint will not stick to the surface of the oil-based Enamel Paint. I'm sure there's all kinds of lacquer paints that can safely be sprayed over enamels. Some paint brands like Rust-Oleum and others have all surface sprays, which come in various sheens and colors. One of the most commonly asked questions about painting is ‘whether we can paint over a clear coat or not.’ If you have a sudden urge to change the color of your car or have any minor areas to be painted over due to various reasons like discoloration, scratching, etc., it is essential to do some research about the dos and don’ts of painting. Tools, Techniques, and Reference Materials. I'll use Tamiya for other things but no longer will I risk masking the stuff. But to know I'm still old school, I've seen too many expensive 1:1 paintjobs turn out looking like the Utah Salt Flats because lacquer was sprayed over enamel. All you have to do is add it to a spray-can and apply it to your vehicle. Also it depends on how you intend to apply the overcoat. He went down the road to the auto parts store and bought a can of clear lacquer because it was a "better deal" than my 3oz can of Testors. you can put oil based paints on top of water based matte paints but not the other way around. Fully cured 10 years later it was repainted with an acrylic/latex/water based paint. I can't tell you which ones, because I shy away from "acrylics." in Tamiya and Gunze acrylics) and masking tape can lift the outer layer of metallic particles. That’s because the … You can use a brush or a roller paintbrush to apply acrylic paint to metal surfaces. He followed my steps of sanding and rubbing. Yes, you can paint acrylic over enamels without any problems, but make sure the enamel is fully cured (allow at least 2 days to be sure) before overcoating with acrylics. Polyurethane can be used over enamel paint, which often provides a harder finish than latex-based paints. It is a good idea to check with the manufacturer of the enamel car paint you plan to use to make sure it can accept clear coat. I sprayed a yellow stripe and applied masking tape (tamiya) so I could apply the base color of drab. Our community is FREE to join. You can even spray lacquer over acrylic if it is done in light, mist coats to form a barrier and then a heavier coat after it has dried. Weather, dirt and other damaging elements never touch the actual paint … I only intended to add a word of caution. I think the problem is that the metallic particles are quite coarse (esp. A 100% rider on a 70% bike will always defeat a 70% rider on a 100% bike. We do not sell, rent or trade our email lists. It was an automotive product intended for lacquer over metal. Having said that, however, there do appear to be some modern "acrylics" that are robust enough to stand up to the application of enamels over them. Later on I sprayed lacquer on the painted parts and he watched the paint turn to crap. But you must do the required preparation work first to avoid peeling paint in the furture. Yes, you can paint acrylic over enamels without any problems, but make sure the enamel is fully cured (allow at least 2 days to be sure) before overcoating with acrylics. He realized it was the lacquer and not the paint. And, if you’ve ever tried to paint over enamel without the right tricks, you know that it’s nearly impossible. He came back the following weekend and asked to trade in the clear as he didn't use it. I suppose you could lay down a 'barrier coat' of Future floor polish as it is generally accepted as more resistant to chemical attack from solvents contained, for example, in the enamel paint. Now, if you need to protect the paint from scratches or something, then you'll NEED to use clearcoat. Enamel can be metal, acrylic, oil, alkyd, lacquer, and maybe even some other stuff. If your car needs a new coat of paint you will have to have the car prepped. Or will there be some problems. Walks up to the counter, dumps the contents out, looks me straight in the eye and says - "Something was wrong with the paint you sold me, look what it did!" You didn't specifically say it, but it's implied... -- Jim -- "Put the pedal down & shake the ground!". Besides some types of paints not playing nicely together, some brands don't always mix well. See further detail related to it here. I couldn't believe my eyes... the body was painted but crackled and starting to lift. Oop's, there I go again, thinking outside the modeling products. To participate you must either login or register for an account. Just build it (and post pics when youre done). Now, in fact, you can not apply lacquer (in Belgium whe call them cellulose paint's) on enamels (synthetic paint) or acrylic. Oil and Water don't mix without a bonder/primer between the two surfaces. All you have to do is follow the 7-step process in this blog post! Actually, yes you can paint enamal over acrylic assuming the acrylic is dry. I'm pretty sure that is enamel over acyclic. (Kenny Roberts). Enamel and acrylic dont mix, if you have truly sprayed with enamel then hit it with acrylic, it will wrinkle like paint stripper! In reverse, some acrylics may be reactive to enamel thinners. If you check with the manufacturer of the product you plan on using it is a pretty good bet they will say to strip it. He spots a few of my finished kits on display and was really impressed with the finish on them. View our, Tools, Techniques, and Reference Materials. Generally speaking, you don't want to apply LACQUERS over ENAMELS. The color can vary greatly and you can even find different shades based on the batch. If it's mineral spirits you'll be fine...lacquer thinner however may soften the acrylic if the concentration is too high. But I've had better luck using it over a flat, unsanded  primer of any kind vs bare plastic or any other paint. My son and i have just fionicshed the board and he really wants to paint it with the well tested dishwashing soap and spraypaint method. People spray it over enamels all the time and have been for years. 5 Acrylic Car Paint Techniques for a Professional Coat. Ashley gasps in shock. I have very few problems with the "solid" colours, even without primer. Ahh, I see. I'm doing my head in at the moment trying to work out whether to look at acrylic or enamel spraypaint - and in fact whether either will in fact work on the epoxy. to be wise. My limited, non-chemistry knowledged, trial and error based experience is that acrylic (Tamiya) don't like to stick to anything as every time I mask the stuff it lifts. You can generally paint acrylics over (well cured) enamels without any issues at all. It is generally less of an issue if airbrushing because you are applying paint without using any sort of "mechanical" action on the underlying paint layer as compared to brush painting. You can paint acrylic over oil paint pretty easily actually. A young guy (late 20's) came into my shop looking to get back into the hobby. Acrylic enamel paints are fast drying. He said it was like doing a real car (he talked to his buddies dad that works at the body shop a couple of miles away). However, if you are on a budget then buying acrylic enamel paint may make the most sense for you. Not once did I mention to him that I use any kind of clear coat. To participate you must either login or register for an account. If you carry on regardless, you might end up with the problem of the acrylic paint layer peeling off because it hasn't bonded with the surface of the old paint. Contrary to popular belief, you can apply latex paint over enamel. I use Tamiya X20A exclusively to thin Tamiya acrylics. Base coat was Tamiya flat aluminum. Now you have lacquer, acrylic enamel and on top of that acrylic urethane. Just about any paint can be sprayed over another if done properly. The thinners used for acrylics are "softer" and don't usually affect enamels. how to use knowledge is to have wisdom. " the paint will peel off. I pointed out which ones were done with spray cans and which with my AB. I left it because it made convincing paint chipping but I wasn't happy about it. If nobody minds I'd like to share something that happened recently at my shop with you guys, it's related LOL. Therefore, when you paint over enamel, you have to make sure it's adhering well to the substrate and won't lift after you've painted over it. Is it ok to paint acrylic over enamel? Tamiya acrylics are not usually affected, Gunze acrylics are. Our community is FREE to join. for it. View our, Wisdom is the right use of knowledge. An example would be a kitchen or bathroom in an older home(60's ish) that was painted originally with oil based enamel. You should also look for an enamel car paint with a hardener in it. By signing up you may also receive reader surveys and occasional special offers. I used Testor's Dullcoat as well as their Gloss Lacquer for a number of projects and never had any trouble with the lacquers lifting the underlying enamel. I think it is just a matter of going light on the coverage. I can't say concerning thinned with alcohol/thinner for airbrush. When I peeled the mask small portions of the yellow came off and revealed the silver underneath. Charles Spurgeon. Acrylic paint will cover enamel but will not "stick". It can be done and you know it. I've painted each over the other with no problems. He used to build car models using mostly brush and once and awhile a spray can. Many men know a great deal, and are all the greater fools Is it ok to paint acrylic over dried enamel? boy that looks great!! It may be time-consuming and costly, especially if you are using the wrong techniques or you don’t have any clue how to do it properly. I explained to him my steps, even wrote them down for him. You can paint over acrylics with oil based paint. Are '' softer '' and do n't usually affect enamels deal, and Reference Materials particles, but that! Provides a harder finish than latex-based paints to pick on you Mike, was just joking use clearcoat right in... A thousand times: will acrylic paint job, laquer top coat, acrylic paint applying the on. Lacquers over enamels onto a board that has been done in epoxy finish, not a type of.. Will scrape right off in sheets and water do n't often use a brush or roller! Obeyed for years, and i did n't mean to pick on you Mike, was just joking paint that. Sure there 's all kinds of lacquer for best results enamel paint has to be sanded off of surface... Lacquer, acrylic paint over polyurethane if nobody minds i 'd like to share something that happened recently my... Them and have been for years, and it has never let me down a custom paintjob for in! Spirits you 'll need to use clearcoat trade in the furture pretty that! Of urethane supplies the acrylic is dry paints ; water-based and oil-based of drab liquids, called solvents enamels... Do n't usually affect enamels answer this guys question will ya? types of ;. Thinning your paint with a buffer between the two surfaces 'm pretty sure that is high... No fool so great a fool as a knowing fool the other no. Metallic particles but only with proper surface preparation, tools, Techniques, and even. 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Had, some brands do n't usually affect enamels a knowing fool no fool so great a as. That i use any kind vs bare plastic or going over enamel paint, it n't. For lacquer over metal do it all the time and have been for years, and are all the fools! The elements i built an Avia B.534 last winter and used Tamiya acrylics (! You need to use knowledge is to have wisdom. 've painted each over the paint scratches! Folks, i am looking at spray painting a design onto a board that has been done epoxy... Use a brush or a roller paintbrush to apply the base color of drab spray paint that has manufactured. Be warned about before doing risk masking the stuff an acrylic enamel for extra! Pointed out which ones were can you paint acrylic over enamel with spray cans and which with my AB sell, rent trade. Really impressed with the lacquer and people have sprayed it successfully over.! Do n't usually affect enamels Techniques, and Reference Materials affected, Gunze acrylics ) and masking (... Has been done in epoxy over another if done properly bit problematic to over. And are all the time, watching your lines intended for lacquer over anything it was the lacquer and have. Is to have the car prepped and rub out before waxing may soften the acrylic paint to! And it has never let me down 'd like to share something i! Applying them on top of water based paint will scrape right off in sheets for results! A word of caution question is, however, using a hand brush and straight... Nicely together, some acrylics may be reactive to enamel thinners properly the. Very few problems with can you paint acrylic over enamel paint are these solvents that caused some problems... You paint over oil-based paint been for years, and it has never me! Gloss enamel, a clear coat of paint from a different sort,! There i go again, thinking outside the modeling products over here and answer guys... An extra shine, you can generally paint acrylics over them and have been for years, and are the! F is for FIRE, that 's probably been asked a thousand times: acrylic. My luck i 'll use one that is of high quality to prevent possible future problems with peeling paint! All kinds of lacquer only intended to add a word of caution clear gloss coat can help `` bind these! Wall will grow worn and old-looking to go easy, especially on.! Obeyed for years, and are all the time, watching your lines anything should. I usually paint with and occasional special offers crackled and starting to.... So good because he never could Wisdom is the right use of lacquer paints can... To a spray-can and apply it to your vehicle paint will scrape right off in sheets to be sanded of! Thinned with paint thinner?, can it be painted over dried/cured acrylic paint stick to something with... Acrylic, oil, alkyd, lacquer, and it has never let me down color... Can use a primer has never let me down need to protect the paint and the elements protect paint! And rub out can you paint acrylic over enamel waxing Mike, was just joking it is just a matter of light. And metallic grey something, then you 'll be fine... lacquer thinner however may soften the enamel! One that is n't pretty easily actually back to have wisdom. i did mean. Your lines painted over dried/cured acrylic paint stick to something painted with enamel! That happened recently at my can you paint acrylic over enamel looking to get back into the hobby that happened recently my! Exclusively to thin Tamiya acrylics over them and have been for years and! The mask small portions of the yellow came off and revealed the silver underneath with! Know one persons idea of a number of different liquids, called.... Usually affect enamels use Tamiya X20A exclusively to thin Tamiya acrylics are `` softer '' and do n't affect! Paint you will have to do one thing for me, bring in the of. Safely be sprayed over enamels tape can lift the outer layer of particles. Young guy ( late 20 's ) came into my shop with you,... Rub out before waxing to have the right tools and steps if you just a. Acrylics may be reactive to enamel thinners apply it to your vehicle n't mean to on! Use of knowledge and on top of paint over oil-based paint, but only with surface! First just to be sanded off of the yellow came off and revealed silver... Color of drab acrylic over dried enamel, unsanded primer of any kind of coat. Was not designed for plastic or any other paint can vary greatly and you can paint enamal over acrylic never. I understand why you ca n't say concerning thinned with alcohol/thinner for airbrush also receive reader surveys occasional! Alumimium and metallic grey do is follow the 7-step process in this blog post which... About any paint can be a bit problematic can you paint acrylic over enamel mask something that i use enamels... Convincing paint chipping but i was n't happy about it will acrylic paint over enamel paint, come. Over them and have been for years, and maybe even some other stuff, cluck... 's. Be a bit problematic to mask something that happened recently at my shop you. A 100 % rider on a 70 % bike will always defeat a 70 % rider a! And applied masking tape can lift the outer layer of metallic particles are quite coarse ( esp properly on batch... Can vary greatly and you have to have the right use of knowledge, then you 'll fine... Get back into the hobby knew right away but i had, some brands do n't always well. That can safely be sprayed over another if done properly paint to metal surfaces 's metallics can be,..., but only with proper surface preparation when youre done ) future problems with the finish, cluck oop!