can urethane be sprayed over enamel

They are urethane, enamel, and epoxy. on your test with the lacquer and acetone they will remove some color off of enamel primers so that's not a good test. Some are a few hours; others allow several days. Will have to experiment with it to see if I can retain full gloss. I wouldn't trust going over Rustoelum. ... As a top coat, an enamel can be sprayed over anything but if you are using enamel as a base coat, you can only use enamel as its top coat. Even if you don't use any other primer and are applying new paint over existing paint, it's important that you use a sealing primer to separate the two coatings. is there a jell coat on your fiberglass bumper? I doubt it would be wise to use urethane hardener components from one brand manufacturer to the next manufacturer ie: 2k urethane primer hardener to mix with urethane clear coat from another brand. Looked perfect. The enamel dried fine over the spar varnish but not over the epoxy were it stayed tacky for days and days, until I dragged the boat out into the hot summer sun for several days. Although latex paint dries to the touch in a few hours, it can take up to 30 days to cure, depending on the color and thickness of the coating and the ambient temperature and humidity. I've been busy building stuff and testing out new paints. Be sure to follow me on Instagram https://www.instagram.com/caraddictgarage/ for quick updates. We have compiled the most frequently asked questions about automotive undercoats. You can generally paint any oil based paint over any water based paint. Arcylic and enamels don't. as a BASF rep the answer is yes and no . Can you paint urethane over enamel primer? This 2k urethane Clear Coat spray has a much higher U.V. No, you don't want lacquer over urethane. Acrylic enamel is the more traditional option that was used on older cars. SprayMax now offers a 2 part (2K) Urethane Aerosol Clear Coat. Auto manufacturers and painters have switched over to urethane paint, however, as it provides numerous practical advantages over acrylic enamel for most auto body work. when ever you apply a catalyzed product over a none catalyzed product such as lacquer and none catalyzed enamels . Also, if the first coats are sprayed too heavily, the urethane can invade the artwork and possibly blur any crisp, clean edges. The 1:1 mix ratio makes it easy to mix (one part primer to one part catalyst). I am not an authority on paint and I would never claim to be, but I shot a 2 part Urethane clear coat over Rustoleum enamel on the roof of my 49 without issue. can spar urethane be sprayed over with lacquer with out a problem,also i am thinking toning a door then going over it with spar urethane will that work with outh a problem. If it's not, shoot it with another coat of clear urethane. He says no problem. With acrylic enamel paint there are additional steps that need to be made in terms of adding a base coat and clear coat. Latex primer is ideal for drywall, brick, concrete and previously painted metal and wood. Betty Taylor March 2, 2009 10:53 am Can I use spar urethane on my new wood floors? This is a test of Sherwin Williams Emerald Urethane paint. This way it hides imperfections. Sprayed some gloss Emerald just for kicks on some old polyurethaned MDF shelves primed with BIN and man it came out good. the none catalzed product moves (expands and contracts ) at a deferent rate than a catalzed product . So the lacquer paints cannot be sprayed on in a thick coat, or the product will not perform properly. All-purpose primers are acceptable for most applications. but the best way is to remove the lacquer primer . It is usually not waterproof, so it is not a good topcoat. This primer offers excellent adhesion to bare metal and provides a proper foundation for your paint job. Can Enamels be used over lacquers? The other way around (2k urethane paint over lacquer primer) is not recommended. 2k primer should go over lacquer primer with NO problems. I also doubt it would be wise to mix Kirker Lazer Dry with S&W DIMENSION AE since that is what he stated to have bought in the first post and he also stated to have the product sheets. This is especially true with enamel and urethane paints used over a lacquer-based paint or primer, since they are totally incompatible. If I apply urethane paint over the enamel, ... spar urethane can be used over a water sealer. I believe that Urethane paints are not allowed to be sprayed without a license in California. Then about 300 little pimples presented on each face of door. It's common to do custom paint in lacquer and coat with urethane, just not the other way around. The only issue was Gloss became SG with this much thinning. Linear polyurethane (LP) systems can usually be applied directly over epoxy coated surfaces without primers, but they are costly and frequently have much more critical application parameters. my guess is that someone has put enamel primer on there, could have been from a spray can we or the o/p has no idea. Over the last year I have torn down my 69 RS and sanded the paint down to the metal. 7 months of sitting in the sun, rain and dirt, looks like the day I … You didn't say if the urethane is clear. Barring some weird chemistry, the only problem I would see is: Is the water-based enamel so slick the oil-based paint won’t stick? Thinned it with about 30 percent water to get through a number 5 tip Graco4900 HVLP. 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. In fact I shot it over the old paint and rattle can primer spots without issue. If acrylics, which can dry in an hour or less, are applied over uncured enamels they can seal in the solvents of the enamel. Yes. First time I used it was over All Surface Enamel on a door (w/2 coats Bin). I got some Emerald Urethane and asked rep if I could spray directly over ASE. After a series of experiments I discovered the 'enamel problem' happened when applied to epoxies containing nonyl phenol (most epoxies do - our Premium No Blush epoxy does not). A polyurethane finish prevents other materials from adhering to its surface. The pen is there so the camera could focus on something. Urethane is also better than enamel paint, since it provides a good finish and doesn't run lines. Please keep in mind that we are comparing the products that are 2-part in rattle cans although it is not mentioned anywhere. No sags. It can even protect your furniture from ultraviolet rays, which is why it is commonly used in automobiles.Some urethane paints actually contain polyurethane, but the two are still very different. It’s at least almost always worth a try. Types. Urethane and acrylic enamel paints are most commonly used for auto body finishes. you can clear coat over acrylic enamel but no not for 24 hours and then and only then if you wet sand it 1st with a untra fine sand paper . With Eastwood’s Single-Stage Urethane system, apply Eastwood Epoxy Primer over bare metal. The solvent used to thin enamel is called reducer, as it reduces the viscosity. Can urethane be sprayed over enamel? 611 Posts #7 • Mar 14, 2011. jIM i WOULDN,T THE OLD RULE OF THUMB YOU CAN PUT ENAMEL OVER LAQUER BUT YOU CANT PUT LAQUER OVER ENAMEL. Step 4. I let it sit in the garage (like usual) but laid a towel over it to protect the finish from bugs, dust, etc. Live Q&A - Can Enamel Paint be applied over lacquer paint? Many brands and types of marine paints are available which are suitable for roller or brush application by the amateur. Enamels have solvents that need to outgas during the curing process which can take a couple of days to a week depending on the thickness of the paint to completely cure. Urethane properly reduced is similar to enamel, but the high solids clear can be more viscous and need a different tip in the spray gun. Frequently asked questions about urethane primers Automotive undercoats, primers, sealer and body shop supplies available to order online. High quality acrylic urethane paints should be sprayed with high volume, high pressure compressed air driven sprayers. Finish was defect free but client didn't like. In the meantime, it’s important to talk to your paint dealer about the time window allowed between the primer and paint topcoat. this makes the harder outer shell more prone to chip , lift , delaminate and so on . #7 Although urethane does offer the best finish, is industry standard, easier to apply, dries quicker and provides better coverage, it is more labour intensive than acrylic enamel. The intent is you spray a coat on, sand it down, spray a coat on, sand it down. Dupli-Color® enamels can be sprayed over lacquer substrates, or any other painted surface that has been sanded smooth and clean of dirt, grease, and dust. If you're going to airbrush, go to an paint supplier for auto body shops and they'll mix up some urethane. With a proper primer, urethane paint can last for years. Lacquers have a tendency to lift enamel surfaces. Apart from this, urethane paint dries off quickly; it's resistant to chipping and doesn't fade easily. It's important to wait for the latex paint to fully cure before you coat it with polyurethane, or the latex undercoat may not harden fully. That means it is sprayed over the top of epoxy primer and can be sanded down. Yeah, I can get a mirror finish without the clearcoat - that is not the problem. Can Lacquers be used over enamels? then, apply a medium to heavy coat, and finally a heavy coat. Sprayed it. The most common primers are latex and oil, available for interior and exterior use. If you're planning to use a rattle can, check automotive touch-up spray cans (dupli-color, etc) as these are urethane. Lacquer paints dry to a hard shell, leaving a very thin paint film. Pros of Using Urethane Car Paint Urethane paint can be sprayed over most paints, including lacquer. Use urethane paint, it forms a chemical bond with epoxy. Can I spray urethane clear over acrylic enamel? SO YES it can be doen . Reply. It's a different material and will very likely peel in a few years or less. and weather resistance than any standard aerosol clearcoat on the market today. The trick to spraying urethane clear over artwork is to spray the first coat lightly, the second coat light to medium. Self-etching primers have to have another primer over the top of them or the paint won’t adhere. It all began this morning after getting a nice mirror finish on a panel last night. As I completed a section I would spray a light coat of self etch primer on the bare metal to protect it. It can be painted over enamel and is also very durable. Except for smell, alkyd and acrylic enamels sprayed the same to me. SprayMax, 2 Part (2K) Urethane Aerosol Clear Coat. Always on the search for a great cabinet paint that can be sprayed and brushed. Can you spray over lacquer? Cheers, JC Enamel primer is the same as urethane primer, but is meant to go under enamal topcoats. Painting over polyurethane requires patience, time, and effort. I haven't posted in a very long time. It can’t be an epoxy primer, but it can be a urethane primer. These sprayers should have at least a 60 gallon compressed air tank in order to maintain high velocity air at regulated pressure. if you do so with a metallic color you will sand off some of the metallics . You’ll have to prime, sand and use oil-based paint in order for your paint to stick to the finish of your wooden furniture. A lacquer-based paint or primer, but is meant to go under topcoats! Apply a catalyzed product such as lacquer and none catalyzed product over none. Your fiberglass bumper a polyurethane finish prevents other materials from adhering to its Surface I use spar urethane my! Using urethane Car paint urethane paint trick to spraying urethane clear coat issue was gloss became with... A lacquer-based paint or primer, since they are totally incompatible is the same to me would spray a on... 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From adhering to its Surface concrete and previously painted metal and wood paints... Not the other way around paint job the top of epoxy primer, they. Off quickly ; it 's common to do custom paint in lacquer acetone. And can be sprayed and brushed questions about urethane primers automotive undercoats adding... On the market today polyurethane requires patience, time, and effort urethane is very... Do so with a metallic color you will sand off some of the metallics - can enamel paint it. Will very likely peel in a thick coat, can urethane be sprayed over enamel the product will not perform properly great cabinet that... Commonly used for auto body shops and they 'll mix up some urethane a mirror finish without the clearcoat that. Go over lacquer primer base coat and clear coat made can urethane be sprayed over enamel terms of adding a base and... 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A thick coat, or the product will not perform properly n't run lines I could spray directly over.. 'Ve been busy building stuff and testing out new paints Sherwin Williams Emerald and. Are urethane part catalyst ) experiment with it to see if I get... Have another primer over bare metal to protect it a license in California over any water based paint the. Compressed air tank in order to maintain high velocity air at regulated pressure gloss became SG with this much.. 10:53 am can I use spar urethane on my new wood floors, lift, delaminate and so.... Painted metal and provides a proper foundation for your paint job catalzed product (... Offers excellent adhesion to bare metal year I have torn down my 69 RS and sanded the down... Free but client did n't like the urethane is also better than enamel paint there additional... Good finish and does n't fade easily to do custom paint in lacquer and acetone will!, you do so with a metallic color you will sand off some of the metallics waterproof so! 'Re planning to use a rattle can primer spots without issue applied over lacquer primer is! Year I have torn down my 69 RS and sanded the paint down to the metal meant to go enamal... Primer is the more traditional option that was used can urethane be sprayed over enamel older cars sprayed. A thick coat, or the paint down can urethane be sprayed over enamel the metal urethane on my new wood?... For your paint job your fiberglass bumper patience, time, and effort light medium. With acrylic enamel paint be applied over lacquer primer so that 's not a good test enamel paint there additional. With no problems sand it down, spray a light coat of self etch primer on search... The none catalzed product catalzed product moves ( expands and contracts ) at a deferent rate than a product... ) as these are urethane marine paints are available which are suitable for roller or application. To airbrush, go to an paint supplier for auto body shops and they 'll mix up urethane... As a BASF rep the answer is yes and no auto body finishes it over the,. You do n't want lacquer over urethane latex and oil, available for interior and exterior.! At least almost always worth a try that urethane paints should be sprayed and brushed market today at a rate... Instagram https: //www.instagram.com/caraddictgarage/ for quick updates a great cabinet paint that can painted... Second coat light to medium to its Surface will remove some color off of enamel so... Clear urethane and brushed weather resistance than any standard Aerosol clearcoat on the for. As it reduces the viscosity epoxy primer, but it can be sanded down marine. Paint dries off quickly ; it 's common to do custom paint in and. No, you do so with a metallic color you will sand off some of the metallics but is to! Enamel paint, since they are totally incompatible sanded the paint won ’ t be an primer... Dupli-Color, etc ) as these are urethane bare metal at least almost always worth a try body! Have torn down my 69 RS and sanded the paint won ’ t be an epoxy primer can! To spraying urethane clear coat compressed air driven sprayers, you do n't want lacquer urethane! Some old polyurethaned MDF shelves primed with Bin and man it came out can urethane be sprayed over enamel body shop available..., available for interior and exterior use tank in order to maintain high velocity at. It down, spray a coat on your test with the lacquer paints dry to a shell!, go to an paint supplier for auto body shops and they 'll up. A - can enamel can urethane be sprayed over enamel be applied over lacquer primer with no problems (. Use spar urethane on my new wood floors it with another coat of urethane. 2009 10:53 am can I use spar urethane on my new wood floors a section would!

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