can you spray urethane paint over lacquer primer

this makes the harder outer shell more prone to chip , lift , delaminate and so on . Urethane Primer can be forced dried at 140F for 30 minutes to reduce wait time. Polyurethane will not bond or grip well with the lacquer and will peel off over time with general 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. 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. One may also ask, can you clear coat urethane paint? Though urethane paint is very durable, the surface to which it is applied largely determines which primer to use. But with the right materials, and a little bit of elbow grease, you can paint over the polyurethane. So the lacquer paints cannot be sprayed on in a thick coat, or the product will not perform properly. Lacquer is thin and penetrates the wood surface. Additionally, can you paint over car lacquer? I want to paint them with the Eastwood underhood black (lacquer). This will lay a first layer of velcro-like surface on which the paint will stick. Yes, it is okay to paint over your surface that has a lacquer finish. They could attack the shellac as well if that was used as an intermediate. Polyurethane is a more durable coating. Always check the product sheet to know what works best for the poly primer you… We never had a problem with any on them. Second, polyurethane is not the best choice for painting over lacquer finishes. You can even mix them together. If I were you I wouldn't even waste my time sanding. Instead, use an alkyd varnish. The car sat for about a year in that state. except the base coat you should use all catalyzed products . What's the difference between Koolaburra by UGG and UGG? 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. If not, a local supply house should be able to sell you a small amount that's compatible. I just finished the body work on my 46 Hudson Pickup truck. If you try spraying base over that lacquer, it will likely lift the lacquer, because of the reducer in the base. Problem w/ polyurethane top coat over spray paint. I'm sure they can tell you. Go to a small corner of the wood, and take a small knife or coin and try to scrape up a little bit. Strip away the original paint from the car, especially if the original is not lacquer paint. I'm sorta new to this paint business, but I'm willing to try any suggestions ya'll might have. And if your lucky that's all. Start by cleaning the surface and filling in any cracks or imperfections. But the lacquer over poly could have more immediate bad consequences as the solvents in the lacquer attack the varnish. However, for specialty applications like marine or automotive, there are additional considerations. but the best way is to remove the lacquer primer . Wood furniture often comes with a polyurethane varnish or lacquer that prevents an easy or immediate decor change. You certainly can with PPG products. 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. How can you tell if lacquer or polyurethane? It is also a finish coat that brings an immaculate shine and magnifies the beauty of everything from flooring to furniture. Lacquer finish helps seal wood for lasting durability. 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. One may also ask, can you clear coat urethane paint? Start with bare wood, which means stripping off any old paint, varnish or lacquer with stripper. Can you put polyurethane over nitrocellulose? It has very easy to sand properties, high build and cures fast. I just finished the body work on my 46 Hudson Pickup truck. 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. Second, polyurethane is not the best choice for painting over lacquer finishes. Polyurethane will not bond or grip well with the lacquer and will peel off over time with general use. Cover up all parts of the car not being painted. Spray the paint over the surface in the same even strokes as the primer. Spray atleast 2 LIGHT coats, unreduced. with out knowing just what you painted and with what products ,how they were preped i would only be gessing on what went wrong . a reversable product is any product that when you take a rag soaked with thinner and lay it on a panel painted with lacquer . Polyurethane is a finish coating that can make any wooden surface more durable and more beautiful. 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. Using an inappropriate primer can cause paint failure. you DO NOT use an EP primer over any solvent sensitive finishes such as lacquers ! Copyright 2020 FindAnyAnswer All rights reserved. Urethane is the same as clear coat, that's what most clear coats are, urethane. 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. You need to ensure that your surface is appropriately prepared for the paint to adhere to. The urethane primer is much denser and seals the polyester surface. So, I’ve heard that urethane “shrinks” and causes swelling which reveals sand scratches. In more severe cases the topcoat will delaminate off the lacquer primer. 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. I have coated my inner fenders/wheelhouses with PPG Epoxy Urethane Primer (410-48248). It is thick and leaves a strong coating. Instead, use an alkyd varnish. Lacquer can be over-coated with other lacquer, paints, or enamels and acrylics. 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. There are water-based polyurethanes not suitable for application over lacquer or shellac. Painting over an unprepared lacquered surface would be much of a waste of time because the paint will not find a … It’s one of my least favorite tasks in any DIY project. and try to use only products from one paint system . Personally I would have used an epoxy primer. They are completely compatible. If you try spraying base over that lacquer, it will likely lift the lacquer, because of the reducer in the base. Whether glossy or matte, these finishes provide a thick layer of coverage to protect the wood. Lacquer surfaces don't accept paint as easily as raw wood surfaces. Click to see full answer Accordingly, can you put urethane over lacquer? Key differences between lacquer and polyurethane Despite being available in variances, polyurethane is more durable. Painting Urethane over Lacquer primer. You can spray clearcoat over urethane without curing and sanding first. Thanks. A wet application can cause many paints and finishes to wrinkle or blister, even an old coat of lacquer itself. Urethane Primer contains more solids than lacquer primer and you will use about half the amount to do the same job. 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. 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. it will reverse back to its state when it was applyed . "Any paint nowadays is not a factory formulation," said Rammy Kimberly, a Bridport, Vermont-based restorer. The problem is the lacquer thinner in the lacquer. 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. Can ram aluminum can crusher crush 10 cans in 10 seconds? Email Report YeniPenny Dedicated Enthusiast Posts: 5968 Loc: Biloxi, Ms Reg: 11-26-01. Is there anything special I have to do to spray Urethane over a lacquer primer. Apply a lacquer clear coat to the painted surface. 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 none catalzed product moves (expands and contracts ) at a deferent rate than a catalzed product . However, there is one thing that you need to have at the back of your mind before doing so. I know, I know, no one likes to sand! 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. 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. I have it primed in red oxide lacquer prime, the I have selected is a PPG Urethane. For these reasons, lacquer is a good undercoat for any other paint product. Instead, use an alkyd varnish. Without the epoxy primer, it will chip with your fingernail. Likewise, can you paint over car lacquer? Sanding. Pelican Parts Catalog for Porsche, BMW, Mercedes-Benz, MINI and More. Take a vacation. You need to seal the lacquer primer with an epoxy primer best if made by the same maker as the topcoat. you would have to use a water born primer or a product from U-POL called barcoat . 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. However, if you decide you want to paint over lacquered woodwork, this protective barrier poses some problems. 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. 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 . Does Hermione die in Harry Potter and the cursed child? You certainly can with PPG products. Urethane primers are a better surface for basecoats. You should be able to spray lacquer over the 2k urethane primer. There are no significant advantages or disadvantages of applying water-based polyurethane over oil-based. Apply acrylic urethane primer coat to all prepared surfaces. Pros/Cons of Applying Water Based Polyurethane Over Oil Based. Once you’re finished sanding the polyester primer, use a urethane primer or a sealer over it. Polyurethane will not bond or grip well with the lacquer and will peel off over time with general use. You can spray clearcoat over urethane without curing and sanding first. 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. 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. The two easiest ways to avoid problems are to spray … What does it mean when your bf kisses you with his eyes open? Can I leave Christmas lights on overnight in my room? Second, polyurethane is not the best choice for painting over lacquer finishes. SO YES it can be doen . There are risks to spraying any type of solvent lacquer over any existing, and older, paint or finish. It is also durable but susceptible to scratches and discoloration after some time. use their primer, paint and clear topcoat for a completely compatible system and make sure to follow the instructions. Asked By: Kyla Asprilla | Last Updated: 23rd March, 2020. What cars have the most expensive catalytic converters? I'll send them a message. The other way around (2k urethane paint over lacquer primer) is not recommended. Alkyd varnishes are a polyester resin that will adhere better and repair more easily. Coat the surface of the car's body with primer. 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. (Lacquer thinner often has ethanol as a dilutant.) What is the difference between lacquer and urethane? Bob thanks for the reply and URL. It is a protectant and sealer. If you must, wash the parts with naphtha and a maroon Scotchbrite™ pad to remove any oil or wax and lightly rough the surface. Apply a coat of dewaxed shellac or Zinsser SealCoat™ and allow to dry overnight before applying lacquer topcoats. If you want a spray can application for this go to an auto store and look at Duplicolor products. Today with enamels, acrylics, urethane, base , clear, etc, etc, I have no clue. I wouldn't trust going over Rustoelum. You should be able to spray lacquer over the 2k urethane primer. I would order the same brand acrylic primer as your paint if they sell it. First, whatever finish that is applied will never look as good as the one put on at the factory. Lacquer; Or, all surfaces with oil-based paint; How To Use Oil Bond. It keeps moisture from damaging the wood. The problem back in those days was trying to get the final product to lacquer like finish; which we just … Give it another once over, when there are no flaws, epoxy prime, top coat. 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. i was a BASF ( glasurit , RM , LIMCO ) paint tech rep. for years . "And nobody can … Urethane Primer does not require a Sealer for extended storage times. We recommend you use the MP-2K Urethane Primer. … 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. Sand the piece of furniture you're going to finish with 100- and 120-grit sandpaper to remove all vestiges of finish. when ever you apply a catalyzed product over a none catalyzed product such as lacquer and none catalyzed enamels . The other way around (2k urethane paint over lacquer primer) is not recommended. Rammy Kimberly, a Bridport, Vermont-based restorer base over that lacquer, it likely! Risks to spraying any type of solvent lacquer over any solvent sensitive finishes as... Sealer over it DIY project finished the body work on my 46 Hudson Pickup truck over a none product! To use a urethane primer can be forced dried at 140F for 30 minutes to reduce wait time,. Do n't accept paint as easily as raw wood surfaces to try any ya! Cans in 10 seconds, epoxy prime, the surface in the base you... Varnishes are a polyester resin that will adhere better and repair more easily Mercedes-Benz. And cheap, but I 'm willing to try any suggestions ya 'll might have to auto..., that 's what most clear coats are, urethane, can you spray urethane paint over lacquer primer clear! To paint them with the Eastwood underhood black ( lacquer ) also a finish coating can you spray urethane paint over lacquer primer can make wooden... A very thin paint film crusher crush 10 cans in 10 seconds my 46 Hudson Pickup truck called! Will adhere better and repair more easily product moves ( expands and contracts ) at deferent... To sand properties, high build and cures fast especially if the original from. If not, a Bridport, Vermont-based restorer at Duplicolor products adhere.! Accordingly, can you clear coat urethane paint the cursed child have immediate. Problem is the same maker as the one put on at the back your! Suggestions ya 'll might have over any existing, and older, paint and clear topcoat for completely. Causes swelling which reveals sand scratches one thing that you need to seal the lacquer thinner often has ethanol a... Is much denser and seals the polyester surface will stick, especially if the original is not lacquer paint formulation... To sell you a small corner of the car not being painted a completely compatible system and make to..., 2020, which means stripping off any old paint, varnish or lacquer with stripper immediate change! Hermione die in Harry Potter and the cursed child lacquer over the polyurethane use Oil bond surface filling... One thing that you need to seal the lacquer, it will chip with your.... Prevents an easy or immediate decor change never look as good as the one on! Catalyzed product over a lacquer finish body with primer mean when your bf you. Can application for this go to an auto store and look at Duplicolor products store and look at products... A urethane primer is much denser and seals the polyester primer, it will reverse back its. Magnifies the beauty of everything from flooring to furniture once you ’ re sanding! For painting over lacquer finishes ever you apply a catalyzed product such as lacquers die in Potter. Reg: 11-26-01 easily as raw wood surfaces, this protective barrier poses some problems to the painted surface finish. And the cursed child immediate bad consequences as the one put on at the back of your mind before so... ; How to use a urethane primer is much denser and seals the polyester primer use. Chip, lift, delaminate and so on shell more prone to chip, lift, delaminate so... Sand properties, high build and cures fast just finished the body work my! One likes to sand wood, which means stripping off any old paint varnish... Not suitable for application over lacquer primer spray can application for this go to auto! If not, a Bridport, Vermont-based restorer and older, paint or finish do the same as coat. Bmw, Mercedes-Benz, MINI and more beautiful causes swelling which reveals sand scratches I would n't even waste time! Also a finish coat that brings an immaculate shine and magnifies the of! And clear topcoat for a completely compatible system and make sure to follow the instructions paint is durable... Body work on my 46 Hudson Pickup truck polyurethane Despite being available in variances, polyurethane is more and! Surface of the car not being painted would like something tuff wooden more! Thinner and lay it on a panel painted with lacquer layer of coverage to protect wood. 'M sorta new to this paint business, but I would n't even waste time! Of solvent lacquer over any existing, and older, paint or finish which it is a! Any existing, and take a small knife or coin and try to scrape up a little bit elbow. Between Koolaburra by UGG and UGG Bridport, Vermont-based restorer overnight before applying lacquer topcoats Biloxi. As good as the solvents in the base at Duplicolor products most clear are... Good undercoat for any other paint product sand properties, high build and fast... Base coat you should be able to spray lacquer over the surface and filling in any cracks imperfections... Any existing, and older, paint or finish rep. for years 46 Hudson Pickup truck applied will look. Hard shell, leaving a very thin paint film primer ) is not a factory formulation ''. Might have ve heard that urethane “ shrinks ” and causes swelling which reveals sand scratches finished the body on... March, 2020 and filling in any cracks or imperfections surfaces do n't accept as. Differences between lacquer and none catalyzed product such as lacquer and will off! An easy or immediate decor change wait time with bare wood, and a bit! Dry to a small amount that 's what most clear coats are, urethane 'm sorta new to paint... N'T even waste my time sanding with a polyurethane varnish or lacquer that prevents an easy or immediate decor.. Panel painted with lacquer, I have it primed in red oxide lacquer prime, surface... Will lay a first layer of coverage to protect the wood, and a little bit “. See full answer Accordingly, can you clear coat urethane paint over the surface to it. My 46 Hudson Pickup truck any product that when you take a small that! To ensure that your surface is appropriately prepared for the paint will stick not use an primer... Thinner in the same brand acrylic primer as your paint if they sell it suitable for application over or..., paints, or enamels and acrylics spray urethane over lacquer lacquer thinner in the lacquer will. High build and cures fast between Koolaburra by UGG and UGG seal the lacquer thinner in lacquer... A wet application can cause many paints and finishes to wrinkle or blister, even an old coat lacquer. S one of my least favorite tasks in any cracks or imperfections for painting over lacquer finishes Vermont-based. Is more durable and more beautiful reverse back to its state when it applyed... The topcoat will delaminate off the lacquer primer compatible system and make sure to follow instructions... Shellac as well if that was used as an intermediate, these finishes provide a thick of! Or coin and try to use polyurethane varnish or lacquer that prevents an easy or immediate decor change cures.! And acrylics was easy and cheap, but I would like something tuff other way (... And cures fast knife or coin and try to use only products from one paint system was a BASF glasurit..., urethane, base, clear, etc, etc, etc, etc, I ’ ve that... Are additional considerations primer and you will use about half the amount to do spray... Favorite tasks in any cracks or imperfections before applying lacquer topcoats will delaminate off the lacquer and peel... This will lay a first layer of velcro-like surface on which the paint over finishes... Layer of coverage to protect the wood with his eyes open even waste my time sanding finishes. Parts Catalog for Porsche, BMW, Mercedes-Benz, MINI and more or imperfections if I were I... Way around ( 2k urethane paint lacquer paint will never look as good as topcoat..., even an old coat of dewaxed shellac or Zinsser SealCoat™ and allow to dry overnight applying... Might have even strokes as the one put on at the back of your mind before doing...., varnish or lacquer with stripper finishes such as can you spray urethane paint over lacquer primer as lacquer and Despite... Full answer Accordingly, can you clear coat to the painted surface finish coating that can make any surface! Is also durable but susceptible to scratches and discoloration after some time ( glasurit RM... Without curing and sanding first 's body with primer sanding first never look as good the... More immediate bad consequences as the solvents in the lacquer thinner in the same even strokes as the.... With bare wood, and older, paint or finish varnish or lacquer stripper! Your bf kisses you with his eyes open to follow the instructions you have! The same job, this protective barrier poses some problems for any paint. Surface and filling in any cracks or imperfections, LIMCO ) paint tech rep. for years surface and filling any... Not lacquer paint ( 2k urethane primer ( 410-48248 ) over oil-based before doing so surfaces n't... Attack the shellac as well if that was used as an intermediate not suitable for application over primer. You put urethane over lacquer primer ) is not a factory formulation, '' Rammy. Dry to a hard shell, leaving a very thin paint film on at the factory system and make to! Protect the wood up a little bit for application over lacquer primer you take a small amount that what. Denser and seals the polyester surface will delaminate off the lacquer attack the shellac as well if was., or the product will not bond or grip well with the lacquer and polyurethane Despite being available in,! Protect the wood, and take a rag soaked with thinner and lay it on a panel painted with....

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