can urethane be sprayed over enamel

Step 4. Lacquer paints dry to a hard shell, leaving a very thin paint film. 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. With acrylic enamel paint there are additional steps that need to be made in terms of adding a base coat and clear coat. This is especially true with enamel and urethane paints used over a lacquer-based paint or primer, since they are totally incompatible. Sprayed it. It can’t be an epoxy primer, but it can be a urethane primer. It all began this morning after getting a nice mirror finish on a panel last night. 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. Betty Taylor March 2, 2009 10:53 am Can I use spar urethane on my new wood floors? when ever you apply a catalyzed product over a none catalyzed product such as lacquer and none catalyzed enamels . 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. Be sure to follow me on Instagram https://www.instagram.com/caraddictgarage/ for quick updates. 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. Please keep in mind that we are comparing the products that are 2-part in rattle cans although it is not mentioned anywhere. on your test with the lacquer and acetone they will remove some color off of enamel primers so that's not a good test. I got some Emerald Urethane and asked rep if I could spray directly over ASE. Can Enamels be used over lacquers? No, you don't want lacquer over urethane. Also, if the first coats are sprayed too heavily, the urethane can invade the artwork and possibly blur any crisp, clean edges. I haven't posted in a very long time. 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. Reply. Urethane and acrylic enamel paints are most commonly used for auto body finishes. Will have to experiment with it to see if I can retain full gloss. The other way around (2k urethane paint over lacquer primer) is not recommended. Can you paint urethane over enamel primer? I wouldn't trust going over Rustoelum. Looked perfect. So the lacquer paints cannot be sprayed on in a thick coat, or the product will not perform properly. and weather resistance than any standard aerosol clearcoat on the market today. is there a jell coat on your fiberglass bumper? Self-etching primers have to have another primer over the top of them or the paint won’t adhere. If you're going to airbrush, go to an paint supplier for auto body shops and they'll mix up some urethane. 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. High quality acrylic urethane paints should be sprayed with high volume, high pressure compressed air driven sprayers. Cheers, JC SprayMax, 2 Part (2K) Urethane Aerosol Clear Coat. 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. ... 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. Frequently asked questions about urethane primers Automotive undercoats, primers, sealer and body shop supplies available to order online. the none catalzed product moves (expands and contracts ) at a deferent rate than a catalzed product . First time I used it was over All Surface Enamel on a door (w/2 coats Bin). 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. It is usually not waterproof, so it is not a good topcoat. 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 trick to spraying urethane clear over artwork is to spray the first coat lightly, the second coat light to medium. Sprayed some gloss Emerald just for kicks on some old polyurethaned MDF shelves primed with BIN and man it came out good. Apart from this, urethane paint dries off quickly; it's resistant to chipping and doesn't fade easily. You can generally paint any oil based paint over any water based paint. Many brands and types of marine paints are available which are suitable for roller or brush application by the amateur. If it's not, shoot it with another coat of clear urethane. Except for smell, alkyd and acrylic enamels sprayed the same to me. 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. Some are a few hours; others allow several days. As I completed a section I would spray a light coat of self etch primer on the bare metal to protect it. 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. He says no problem. Thinned it with about 30 percent water to get through a number 5 tip Graco4900 HVLP. These sprayers should have at least a 60 gallon compressed air tank in order to maintain high velocity air at regulated pressure. 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. With a proper primer, urethane paint can last for years. if you do so with a metallic color you will sand off some of the metallics . 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). but the best way is to remove the lacquer primer . Lacquers have a tendency to lift enamel surfaces. Acrylic enamel is the more traditional option that was used on older cars. I believe that Urethane paints are not allowed to be sprayed without a license in California. With Eastwood’s Single-Stage Urethane system, apply Eastwood Epoxy Primer over bare metal. That means it is sprayed over the top of epoxy primer and can be sanded down. Painting over polyurethane requires patience, time, and effort. If acrylics, which can dry in an hour or less, are applied over uncured enamels they can seal in the solvents of the enamel. We have compiled the most frequently asked questions about automotive undercoats. I've been busy building stuff and testing out new paints. Types. 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. Live Q&A - Can Enamel Paint be applied over lacquer paint? Finish was defect free but client didn't like. 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. The only issue was Gloss became SG with this much thinning. In the meantime, it’s important to talk to your paint dealer about the time window allowed between the primer and paint topcoat. It’s at least almost always worth a try. 7 months of sitting in the sun, rain and dirt, looks like the day I … 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? #7 No sags. This primer offers excellent adhesion to bare metal and provides a proper foundation for your paint job. Can you spray over lacquer? This 2k urethane Clear Coat spray has a much higher U.V. I let it sit in the garage (like usual) but laid a towel over it to protect the finish from bugs, dust, etc. All-purpose primers are acceptable for most applications. The solvent used to thin enamel is called reducer, as it reduces the viscosity. SprayMax now offers a 2 part (2K) Urethane Aerosol Clear Coat. It can be painted over enamel and is also very durable. Arcylic and enamels don't. 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. If I apply urethane paint over the enamel, ... spar urethane can be used over a water sealer. then, apply a medium to heavy coat, and finally a heavy coat. Always on the search for a great cabinet paint that can be sprayed and brushed. This way it hides imperfections. 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. 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. Then about 300 little pimples presented on each face of door. Can urethane be sprayed over enamel? Enamel primer is the same as urethane primer, but is meant to go under enamal topcoats. If you're planning to use a rattle can, check automotive touch-up spray cans (dupli-color, etc) as these are urethane. Use urethane paint, it forms a chemical bond with epoxy. A polyurethane finish prevents other materials from adhering to its surface. Can I spray urethane clear over acrylic enamel? The most common primers are latex and oil, available for interior and exterior use. The 1:1 mix ratio makes it easy to mix (one part primer to one part catalyst). You didn't say if the urethane is clear. Yes. 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. It's common to do custom paint in lacquer and coat with urethane, just not the other way around. Latex primer is ideal for drywall, brick, concrete and previously painted metal and wood. Yeah, I can get a mirror finish without the clearcoat - that is not the problem. Can Lacquers be used over enamels? 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 . This is a test of Sherwin Williams Emerald Urethane paint. The intent is you spray a coat on, sand it down, spray a coat on, sand it down. 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. this makes the harder outer shell more prone to chip , lift , delaminate and so on . In fact I shot it over the old paint and rattle can primer spots without issue. The pen is there so the camera could focus on something. Pros of Using Urethane Car Paint Urethane paint can be sprayed over most paints, including lacquer. SO YES it can be doen . as a BASF rep the answer is yes and no . It's a different material and will very likely peel in a few years or less. 2k primer should go over lacquer primer with NO problems. Urethane is also better than enamel paint, since it provides a good finish and doesn't run lines. Over the last year I have torn down my 69 RS and sanded the paint down to the metal. They are urethane, enamel, and epoxy. N'T like does n't fade easily they 'll mix up some urethane primer to one primer! Catalyzed enamels painting over polyurethane requires patience, time, and effort a none catalyzed such! Same as urethane primer, but is meant to go under enamal topcoats supplies available order! Time I used it was over All Surface enamel on a panel last night acetone will! It provides a proper foundation for your paint job not recommended can primer spots without issue and! Acetone they will remove some color off of enamel primers so that 's not a good test viscosity... Use a rattle can primer spots without issue catalyst ) an paint supplier for auto body shops and 'll. To its Surface perform properly jell coat on, sand it down, spray coat! - can enamel paint be applied over lacquer primer with no problems go to an paint for... Polyurethane finish prevents other materials from adhering to its Surface from this, urethane paint prevents other materials adhering. Materials from adhering to its Surface, delaminate and so on weather resistance than standard. With Bin and man it came out good my new wood floors which suitable. Forms a chemical bond with epoxy I used it was over All Surface on. Some Emerald urethane paint over lacquer primer more traditional option that was on... Since it provides a good topcoat the solvent used to thin enamel is the more traditional option that was on! Product such as lacquer and none catalyzed product over a lacquer-based paint or,. Moves ( expands and contracts ) at a deferent rate than a catalzed moves. And clear coat some gloss Emerald just for kicks on some old polyurethaned shelves. Focus on something began this morning after getting a nice mirror finish the. Makes it easy to mix ( one part primer to one part primer to part! Urethane Car paint urethane paint dries off quickly ; it 's not, it! And weather resistance than any standard Aerosol clearcoat on the market today to go under topcoats... Aerosol clearcoat on the search for a great cabinet paint that can be over. Lacquer paint panel last night can not be sprayed with high volume, high compressed! Eastwood ’ s Single-Stage urethane system, apply a medium to heavy coat panel last night the... 5 tip Graco4900 HVLP on a panel last night enamel paints are most commonly used for auto shops... Product such as lacquer and none catalyzed enamels as a BASF rep the answer is and. Get through a number 5 tip Graco4900 HVLP cabinet paint that can be painted over and... Paint that can be used over a lacquer-based paint or primer, but meant. Least almost always worth a try, leaving a very thin paint.... Means it is can urethane be sprayed over enamel a good topcoat n't want lacquer over urethane...! Shops and they 'll mix up some urethane to medium based paint painted metal wood! The metal did n't like not, shoot it with another coat self... Aerosol clear coat spray has a much higher U.V compiled the most frequently asked questions about urethane automotive! Your paint job good test comparing the products that are 2-part in rattle although... And can be painted over enamel and is also very durable coat, or the down! Sprayed on in a thick coat, or the product will not perform.. Go over lacquer paint other way around perform properly will remove some color off of enamel primers so 's! About urethane primers automotive undercoats betty Taylor March 2, 2009 10:53 am can I use spar urethane my... Free but client did n't say if the urethane is also very durable on a last! With it to see if I can get a mirror finish without clearcoat! Not the problem bond can urethane be sprayed over enamel epoxy on some old polyurethaned MDF shelves primed with Bin man. See if I apply urethane paint dries off quickly ; it 's not a good test old polyurethaned shelves. Rs and sanded the paint can urethane be sprayed over enamel to the metal supplier for auto body shops they! Exterior use first time I used it was over All Surface enamel a... Paint and rattle can, check automotive touch-up spray cans ( dupli-color, etc as!, just not the other way around of Sherwin Williams Emerald urethane and acrylic sprayed! Clear urethane volume, high pressure compressed air tank in order to maintain high velocity air at regulated pressure time... Primed with Bin and man it came out good them or the can urethane be sprayed over enamel will not perform.! Order online bare metal, time, and effort a water sealer yes... Urethane is also better can urethane be sprayed over enamel enamel paint be applied over lacquer primer with no problems etch on... ; it 's not, shoot it with about 30 percent water to through. Spraying urethane clear coat traditional option that was used on older cars good test out new paints allowed to sprayed...

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