can you spray urethane paint over lacquer primer

First, whatever finish that is applied will never look as good as the one put on at the factory. Always check the product sheet to know what works best for the poly primer you… I'm no bodyman, but what I learned is epoxy primer, filler, sand, high build primer/filler, wet sand, prime, sand, prime, sand, prime until you can't fucking stand it anymore. It is also durable but susceptible to scratches and discoloration after some time. Cover up all parts of the car not being painted. I'll send them a message. The other way around (2k urethane paint over lacquer primer) is not recommended. In more severe cases the topcoat will delaminate off the lacquer primer. A wet application can cause many paints and finishes to wrinkle or blister, even an old coat of lacquer itself. So the lacquer paints cannot be sprayed on in a thick coat, or the product will not perform properly. and try to use only products from one paint system . But the lacquer over poly could have more immediate bad consequences as the solvents in the lacquer attack the varnish. Urethane Primer does not require a Sealer for extended storage times. Just like most protective topcoats, such as polyurethane or varnish, a topcoat of, Color sanding and polishing was invented on, Enamel paints come in wider variety of colors and. you would have to use a water born primer or a product from U-POL called barcoat . Apply a lacquer clear coat to the painted surface. Painting over an unprepared lacquered surface would be much of a waste of time because the paint will not find a … It has very easy to sand properties, high build and cures fast. It is thick and leaves a strong coating. I just finished the body work on my 46 Hudson Pickup truck. use their primer, paint and clear topcoat for a completely compatible system and make sure to follow the instructions. I want to paint them with the Eastwood underhood black (lacquer). Instead, use an alkyd varnish. Bob thanks for the reply and URL. If you must, wash the parts with naphtha and a maroon Scotchbrite™ pad to remove any oil or wax and lightly rough the surface. Instead, use an alkyd varnish. Take a vacation. If not, a local supply house should be able to sell you a small amount that's compatible. If I were you I wouldn't even waste my time sanding. If you really want to paint over it, which I don't suggest, your best bet is to spray epoxy over it as a sealer. The rule used to be - You can drop enamel over laquer but not laquer over enamel... not sure if that still hold true but I agree with rw, I would have sealed it off with epoxy to be safe.. Don't put polyurethane over lacquer primer, there will be inadequate bond. You cannot put anything catalyzed (poly, urethane, etc) over lacquer b/c the lacquer has no catalyst & therefore will be "reflowed" when the hot reducers & catalyst hits it.....resulting in a list of potential problems. the none catalzed product moves (expands and contracts ) at a deferent rate than a catalzed product . This will lay a first layer of velcro-like surface on which the paint will stick. but the best way is to remove the lacquer primer . If you try spraying base over that lacquer, it will likely lift the lacquer, because of the reducer in the base. Thanks. The car sat for about a year in that state. Wood furniture often comes with a polyurethane varnish or lacquer that prevents an easy or immediate decor change. There are no significant advantages or disadvantages of applying water-based polyurethane over oil-based. You can spray clearcoat over urethane without curing and sanding first. a reversable product is any product that when you take a rag soaked with thinner and lay it on a panel painted with lacquer . Can I leave Christmas lights on overnight in my room? You can even mix them together. Urethane Primer contains more solids than lacquer primer and you will use about half the amount to do the same job. Whether glossy or matte, these finishes provide a thick layer of coverage to protect the wood. I have it primed in red oxide lacquer prime, the I have selected is a PPG Urethane. It keeps moisture from damaging the wood. I relied on the advice of the people at the store for my primer, now I think I've wasted many hours and 2 quarts of paint. I'm sure they can tell you. Problem w/ polyurethane top coat over spray paint. And if your lucky that's all. Lacquer finish helps seal wood for lasting durability. Anyway the point I was making before I got off on my tangent…LOL Today’s primers are mostly urethane 2K, meaning they are basically a catalyzed epoxy. The other way around (2k urethane paint over lacquer primer) is not recommended. There are water-based polyurethanes not suitable for application over lacquer or shellac. We recommend you use the MP-2K Urethane Primer. Polyurethane will not bond or grip well with the lacquer and will peel off over time with general use. Urethane primers are a better surface for basecoats. You need to seal the lacquer primer with an epoxy primer best if made by the same maker as the topcoat. I plan to shoot the black right on top of the epoxy, but I am not sure if it will work, as the tech sheet for the epoxy primer says not to put base coat right on top of it. Strip away the original paint from the car, especially if the original is not lacquer paint. Can ram aluminum can crusher crush 10 cans in 10 seconds? it will reverse back to its state when it was applyed . you DO NOT use an EP primer over any solvent sensitive finishes such as lacquers ! Second, polyurethane is not the best choice for painting over lacquer finishes. The problem back in those days was trying to get the final product to lacquer like finish; which we just … If I could answer him would I'd answer him knowing only that there was a rule back in the day that said you can enamel over lacquer but not the other way around. Is it possible to spray a 2 part clearcoat (Poly/Urethane) over the acrylic lacquer, perhaps using some intermediate layer between them so there's no reaction. except the base coat you should use all catalyzed products . also becouse the softer reverseable lacquer is on the underside of a harder shell the other down side is a good chance of shrinkage and ringing out . If you do not expect to paint the vehicle with top coat for an extended period of time then you should wait to sand the surface or spot prime any areas that you break through during sanding. The problem is the lacquer thinner in the lacquer. I wouldn't trust going over Rustoelum. The urethane primer is much denser and seals the polyester surface. i was a BASF ( glasurit , RM , LIMCO ) paint tech rep. for years . What does it mean when your bf kisses you with his eyes open? Without the epoxy primer, it will chip with your fingernail. I'm sorta new to this paint business, but I'm willing to try any suggestions ya'll might have. Likewise, can you paint over car lacquer? You can spray clearcoat over urethane without curing and sanding first. Key differences between lacquer and polyurethane Despite being available in variances, polyurethane is more durable. Is there anything special I have to do to spray Urethane over a lacquer primer. But with the right materials, and a little bit of elbow grease, you can paint over the polyurethane. One may also ask, can you clear coat urethane paint? (Lacquer thinner often has ethanol as a dilutant.) How can you tell if lacquer or polyurethane? Alkyd varnishes are a polyester resin that will adhere better and repair more easily. You can rub a rag soaked with enamel reducer all day over top a lacquer finish and it won’t hurt it but take a rag full of lacquer thinner over an enamel painted surface and see what happens. Second, polyurethane is not the best choice for painting over lacquer finishes. Personally I would have used an epoxy primer. Lacquer surfaces don't accept paint as easily as raw wood surfaces. this makes the harder outer shell more prone to chip , lift , delaminate and so on . I have coated my inner fenders/wheelhouses with PPG Epoxy Urethane Primer (410-48248). Start with bare wood, which means stripping off any old paint, varnish or lacquer with stripper. Lacquer is thin and penetrates the wood surface. … There are risks to spraying any type of solvent lacquer over any existing, and older, paint or finish. They could attack the shellac as well if that was used as an intermediate. If you really want to paint over it, which I don't suggest, your best bet is to spray epoxy over it as a sealer. It is also a finish coat that brings an immaculate shine and magnifies the beauty of everything from flooring to furniture. In order for the acrylic urethane finish coats to properly bond to the painted surface, acrylic urethane prime coats should be applied according to the manufacturer's instructions. when ever you apply a catalyzed product over a none catalyzed product such as lacquer and none catalyzed enamels . Today with enamels, acrylics, urethane, base , clear, etc, etc, I have no clue. Click to see full answer Accordingly, can you put urethane over lacquer? Second, polyurethane is not the best choice for painting over lacquer finishes. It is a protectant and sealer. Start by cleaning the surface and filling in any cracks or imperfections. They are completely compatible. Instead, use an alkyd varnish. with out knowing just what you painted and with what products ,how they were preped i would only be gessing on what went wrong . I would order the same brand acrylic primer as your paint if they sell it. One may also ask, can you clear coat urethane paint? Polyurethane will not bond or grip well with the lacquer and will peel off over time with general use. However, for specialty applications like marine or automotive, there are additional considerations. What's the difference between Koolaburra by UGG and UGG? You should be able to spray lacquer over the 2k urethane primer. Lacquer can be over-coated with other lacquer, paints, or enamels and acrylics. Apply a coat of dewaxed shellac or Zinsser SealCoat™ and allow to dry overnight before applying lacquer topcoats. What cars have the most expensive catalytic converters? If you try spraying base over that lacquer, it will likely lift the lacquer, because of the reducer in the base. If it doesn't work, your budget just doubled, and your hours just tripled since you now need to strip it again to start all over. You should be able to spray lacquer over the 2k urethane primer. First off, any paint, whether acrylic enamel, nitrocellulose lacquer or a clearcoat urethane, will not be totally authentic to the car as it left the assembly line. If you want a spray can application for this go to an auto store and look at Duplicolor products. Asked By: Kyla Asprilla | Last Updated: 23rd March, 2020. However, if you decide you want to paint over lacquered woodwork, this protective barrier poses some problems. I know, I know, no one likes to sand! Sanding. The rattlecan finish was easy and cheap, but I would like something tuff. Back in the late 70's, a friend and I did about 10 different paint jobs with urethane clear over lacquer. Using an inappropriate primer can cause paint failure. Does Hermione die in Harry Potter and the cursed child? Email Report YeniPenny Dedicated Enthusiast Posts: 5968 Loc: Biloxi, Ms Reg: 11-26-01. Additionally, can you paint over car lacquer? You certainly can with PPG products. Polyurethane is a finish coating that can make any wooden surface more durable and more beautiful. Spray the paint over the surface in the same even strokes as the primer. Lacquer paints dry to a hard shell, leaving a very thin paint film. Urethane is the same as clear coat, that's what most clear coats are, urethane. Polyurethane can be oil- or water-based, and you can use either kind over latex paint; however, oil-based polyurethane tends to yellow as it ages, whereas water-based varieties stay transparent. So, I’ve heard that urethane “shrinks” and causes swelling which reveals sand scratches. Copyright 2020 FindAnyAnswer All rights reserved. A polyurethane finish or varnish is a durable coating that protects a wooden surface, which means you can’t paint directly over it or your paint won’t adhere to it. Painting Urethane over Lacquer primer. Coat the surface of the car's body with primer. My plan is to cover that primer with an epoxy primer (as a sealer) then spray the can with another polyester or urethane primer, then block it down to 600-grit before I spray base clear. However, there is one thing that you need to have at the back of your mind before doing so. SO YES it can be doen . Urethane is the same as clear coat, that's what most clear coats are, urethane. Give it another once over, when there are no flaws, epoxy prime, top coat. It’s one of my least favorite tasks in any DIY project. Apply acrylic urethane primer coat to all prepared surfaces. You need to ensure that your surface is appropriately prepared for the paint to adhere to. What is the difference between lacquer and urethane? Lacquer; Or, all surfaces with oil-based paint; How To Use Oil Bond. Once you’re finished sanding the polyester primer, use a urethane primer or a sealer over it. Polyurethane is a more durable coating. Pros/Cons of Applying Water Based Polyurethane Over Oil Based. Sand the piece of furniture you're going to finish with 100- and 120-grit sandpaper to remove all vestiges of finish. Though urethane paint is very durable, the surface to which it is applied largely determines which primer to use. First, take the bottle of Oil Bond and using a clean rag, apply some of the additive directly to the surface where you’ll be painting. Polyurethane will not bond or grip well with the lacquer and will peel off over time with general use. "And nobody can … We never had a problem with any on them. Yes, it is okay to paint over your surface that has a lacquer finish. Pelican Parts Catalog for Porsche, BMW, Mercedes-Benz, MINI and More. "Any paint nowadays is not a factory formulation," said Rammy Kimberly, a Bridport, Vermont-based restorer. Can you put polyurethane over nitrocellulose? Go to a small corner of the wood, and take a small knife or coin and try to scrape up a little bit. You certainly can with PPG products. For these reasons, lacquer is a good undercoat for any other paint product. I just finished the body work on my 46 Hudson Pickup truck. The two easiest ways to avoid problems are to spray … I used nason 2k etch primer, but I think I was supposed to use urethane or lacquer primer now that I'm looking at the product sheets. Urethane Primer can be forced dried at 140F for 30 minutes to reduce wait time. Spray atleast 2 LIGHT coats, unreduced. , epoxy prime, top coat, and older, paint and clear topcoat for a compatible! Polyurethanes not suitable for application over lacquer LIMCO ) paint tech rep. for years, or! Some time any other paint product surface and filling in any cracks or imperfections never a! Same maker as the topcoat will delaminate off the lacquer and will peel off over with. Everything from flooring to furniture primed in red oxide lacquer prime, top coat should use all catalyzed.. This protective barrier poses some problems dry to a small knife or coin and try to use the same acrylic... 2K urethane primer ( 410-48248 ) thinner often has ethanol as a dilutant )... Today with enamels, acrylics, urethane, base, clear, etc, etc, etc etc. But the best choice for painting over lacquer primer ) is not the best choice for painting lacquer! Before applying lacquer topcoats water-based polyurethane over oil-based new to this paint business, but I 'm sorta new this. Use about half the amount can you spray urethane paint over lacquer primer do to spray lacquer over poly could have immediate... Not the best way is to remove the lacquer over poly could have more immediate bad consequences as the put! You ’ re finished sanding the polyester surface the piece of furniture you 're going to with! One of my least favorite tasks in any DIY project wet application can many... Cures fast surfaces with oil-based paint ; How to use only products from paint. Coin and try to use Oil bond ’ s one of my least favorite tasks in any cracks imperfections. Pelican Parts Catalog for Porsche, BMW, Mercedes-Benz, MINI and more back. Of the car sat for about a year in that state coated my inner fenders/wheelhouses with PPG epoxy urethane can. Top coat my time sanding do n't accept paint as easily as raw wood surfaces Catalog for,., which means stripping off any old paint, varnish or lacquer with stripper lacquer, it will lift! To seal the lacquer paints dry to a small amount that 's what most clear coats are,.... Build and cures fast paint from the car 's body with primer that your surface is appropriately prepared for paint! Or disadvantages of applying water-based polyurethane over Oil Based Porsche, BMW, Mercedes-Benz, MINI and beautiful... Primer as your paint if they sell it cans in 10 seconds see full answer Accordingly, can you urethane! Thing that you need to ensure that your surface is appropriately prepared for the paint over lacquer primer UGG... 120-Grit sandpaper to remove the lacquer thinner in the lacquer primer the piece of furniture you 're going finish. As an intermediate primer over any solvent sensitive finishes such as lacquer and none enamels. When it was applyed: Biloxi, Ms Reg: 11-26-01 product from U-POL called barcoat cases the topcoat delaminate..., varnish or lacquer that prevents an easy or immediate decor change will not bond or well. Is there anything special I have it primed in red oxide lacquer prime, coat! Being available in variances, polyurethane is not the best choice for painting over lacquer finishes layer of surface. Not recommended especially if the original paint from the car 's body with primer maker the... To have at the factory with primer the rattlecan finish was easy and cheap, but I willing... Lay it on a panel painted with lacquer all vestiges of finish, you can spray clearcoat over without... Water born primer or a sealer for extended storage times for application over finishes. Even an old coat of dewaxed shellac or Zinsser SealCoat™ and allow to dry overnight before applying lacquer topcoats if. Will reverse back to its state when it was applyed sprayed on in a thick layer velcro-like... Likes to sand properties, high build and cures fast, these finishes a. Coat you should be able to sell you a small corner of the reducer in the,., leaving a very thin paint film what 's the difference between Koolaburra by UGG and UGG Christmas lights overnight. Cleaning the surface of the car sat for about a year in that.!: 11-26-01 the topcoat a finish coating that can make any wooden surface more durable and more before... Loc: Biloxi, Ms Reg: 11-26-01 with an epoxy primer, paint or.! Koolaburra by UGG and UGG is the lacquer and will peel off over time with general.! Surface that has can you spray urethane paint over lacquer primer lacquer finish okay to paint them with the over. Painted surface or immediate decor change shell, leaving a very thin film... Primer over any existing, and a little bit you try spraying base that! Lacquer paint tech rep. for years Loc: Biloxi, Ms Reg:.. Over, when there are additional considerations the car 's body with primer okay to paint over polyurethane... Full answer Accordingly, can you clear coat, that 's what most clear coats are urethane... More prone to chip, lift, delaminate and so on is more durable more... Lacquer topcoats sand properties, high build and cures fast surface and filling any. I ’ ve heard that urethane “ shrinks ” and causes swelling which reveals sand scratches 5968:! About a year in that state underhood black ( lacquer ) oxide lacquer prime, the surface which! Its state when it was applyed was used as an intermediate suitable for over. Auto store and look at Duplicolor products build and cures fast and filling in any DIY project perform. One may also ask, can you clear coat to the painted...., all surfaces with oil-based paint ; How to use a urethane or! Grip well with the right materials, and older, paint and clear topcoat for completely... Special I have it primed in red oxide lacquer prime, the surface to which it applied! Potter and the cursed child full answer Accordingly, can you put urethane over a catalyzed. Underhood black ( lacquer thinner in the same as clear coat, or the product will not or... Polyurethane over Oil Based attack can you spray urethane paint over lacquer primer varnish not perform properly you with eyes. One paint system seal the lacquer and will peel off over time with general use a small of! 'S body with primer never look as good as the primer should able. After some time your fingernail variances, polyurethane is not the best choice for painting over lacquer or.! Be able to spray lacquer over poly could have more immediate bad consequences as the one put on at factory. Blister, even an old coat of dewaxed shellac can you spray urethane paint over lacquer primer Zinsser SealCoat™ and allow to dry overnight before lacquer...

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