can you put polyurethane over lacquer

It's all subjective. However, I can't guarantee that the NC lacquer will adhere to the well cured polyurethane. Now that you know the basics let’s get into the true difference between lacquer and polyurethane is. Most professionals agree that water-based varnish is the best product to use over paint. While you can add a layer of polyurethane to laminate flooring, it's really not the best material to use. Subsequently, question is, can you put polyurethane on countertops? Polyurethane doesn't stick well to laminate floors, which are already covered in resin because of the way laminate is made. The original cabinets have lacquer on them....well dried and well adhered. 1968 Coronet R/T ACTS 16:31. It was stained with a stain containing polyurethane. Before you decide to go forward with the NC lacquer, you should know that if you ever want to apply another coating over it, such as a polyurethane, you will probably experience lifting. woodworking. It isn't unusual to clear-coat an acrylic paint finish on a metal surface, such as on an automobile, with CAB-acrylic or acrylic lacquer. This product can actually be used on wooden floors. I have a butcher block counter top on the kitchen island. Simply so, can lacquer be sprayed over polyurethane? In varnish making, resin can be a viscous liquid often derived from coniferous plants, such as balsam, or rosin. Lacquer can discolor over a long time. It dries way to fast, does not self-level, and has ruined more than one project of mine, so that wasn’t even an option. – Graphus Oct 8 '18 at 12:09 Polyurethane is a more durable coating. All have their pros and cons but when it comes to clear coat for automotive finishes polyurethane is state of the art for today at least. A dust mask will not protect you from the vapors of lacquer. I'm preparing to do some kitchen remodeling and am planning to add a cabinet. Asked by Wiki User. can you put epoxy resin over lacquer, Resin is an ill defined term and has been used for a wide range of substances. OldDupontGuy's Profile; E-mail OldDupontGuy; OldDupontGuy's Website; Top Contributor. Some of these water-based finishes are not for use over lacquer or shellac. Repeat the process, apply a coat of varnish, and let it dry until you achieve the lacquer finish you desire. You can choose from polyurethane, lacquer, shellac, or even varnish. Use a bristle brush, preferably of high-quality natural bristles, to apply the lacquer. Water-based oil-modified polyurethane is a relatively new product that combines the durability of an oil base with the cleanup of a water base. Can you use polyurethane over a lacquer finish on wood? Also, can you coat polyurethane? We’ve answered the question can you apply water-based polyurethane over oil-based and we know that it’s okay to apply water-based poly can over oil-based provided that the surface of the application is in excellent condition bearing no dirt or grease. Top. OldDupontGuy. Tip. Easiest thing would be to just continue with the poly, doesn't sound like you're that far from being done. You got it backwards. See Answer. 5.8k. Also, do you want to keep the bench outside after this? In contrast, woodworking is physics. Lacquer has a high VOC (volatile organic compound) content, which makes it dangerous to use without a respirator that has an organic vapor cartridge. On the bright side, polyurethane adheres well to most surfaces and can be applied over oil-based coats. A quick guide to wood finishes - what to use, and when to use them. It is necessary that the surface be abraded--220 or 320 grit will work fine--so that the varnish has some … I proceed in the usual manner of sanding the wood to 320, then applying the General Finishes Seal a Cell as the first coat. Minwax Polycrylic is junk, in my humble opinion. There is a problem with putting lacquer over poly. I needed to just put a clear water-based polyurethane over the paint. The advantage of the water-based finish is ease of use, quick drying, no odor, and easy cleanup. You can never reconstitute polyurethane once it has hardened. As Tonar mentioned you can shoot poly OVER lacquer; but spraying lacquer on top of poly will tend to leave a melted, bubbly gooey mess. It used to be lacquer, then enamel, urethane, polyurethane, now water based enters the picture. You can see that a band saw is a band saw and not a table saw (even though both have a table) and that a mortise-and-tenon is not a dovetail. Varnish can be used to protect, preserve, and enhance paint. You may need to apply more coats of acrylic varnish to "raise up" the lacquer finish to the level of the photograph. Will just some light sanding and reapplying a couple coats of straight poly be ok? However, over time, oil poly tends to darken, thus becoming yellow. Hi Mark, can you be more specific about what you want to put on top? Top Answer. You can put anything over poly, b/c poly is catalized therefore reducers will not melt it. Some people like that and others don't. It can also be a fossilized resin such as amber or copal or Kauri gum (fossilized Kauri tree gum found in New Zeland and similar to amber.) (Age is the best indicator though, as sniffling for loss-y aromatics may not work all the time.) Dullness. For example, polyurethane and lacquer look the same, both in a can and on the wood, even though they have very different characteristics. 2008-12-17 02:10:12. The thing about varnishing over wax is that wax is slippery old stuff and it takes an age to fully cure. It also can go over oil-based finishes and can be applied using synthetic-bristle brushes, a foam roller or a rag, as can other water-based polyurethanes. I understand that Polyurethane or Urethane clearcoats are more durable - harder and gasoline resistant than lacquer. Be certain to work quickly adding a thin coat, but don't over-brush your work. Best of all, applying polyurethane doesn't require spray equipment and is a job you can easily do yourself. POLYURETHANE: Polyurethane is a totally man made set of synthetic organic compounds first invented in World War II. While some polyurethane varnishes are very picky about to what substrates they will adhere, if you should want the kind of additional durability that you are aiming for you can use a traditional resin varnish over shellac (dewaxed or with the natural wax still included) or lacquer. It was fine, but I wasn’t impressed enough with it to use it again. Lacquer. The rattlecan finish was easy and cheap, but I would like something tuff. Out on a limb here - polyurethane over nitrocellulose paint is usually safe if the nitroucelluose paint is old and isn't gassing off any more. It will be an adhesion problem. Lacquer dries within 10 to 15 minutes of application, so you can apply several coats in a single day. A brand of real tung oil is Hope's Tung Oil. Step 7 Run your hand over the frame during a "dry phase" to ensure that the surface is perfectly smooth. Lacquer vs. Polyurethane. Many individuals use these terms interchangeably, but there is actually quite a difference between lacquer and polyurethane. Spray lacquer is commonly used on new furniture and in new construction. You need to put a barrier coat in between the two. If it really is tung oil, it won't work over lacquer or polyurethane. I suggest that you try a test area somewhere on the vehicle where nobody can see it. Understanding the differences between lacquer vs. polyurethane durability can help you to make a wise choice when it comes to finishing your latest project. 4 answers Hillela G. on Mar 2, 2017. Poly, lacquer, waterbased poly…. 7 8 9. Yes, sometimes I will apply lacquer over a hand rubbed oil finish in order to get the depth and beauty that the slow drying oil/varnish blend brings out, while gaining the protective properties of lacquer. Re: Stupid mistake - polyurethane and lacquer Poly over lacquer is ok, lacquer over poly won't work because the thinners are to hot and they will melt the poly. Answered. Could I put polyurethane over old polyurethane? You can put anything you want over shellac. Wiki User Answered . Posted by 3 days ago. You can't sand down laminate in order to get the polyurethane to stick, so there's no way to improve the cohesion between the two. I'll stain it to match (oak) and then would like to put polyurethane on all the cabinets to give them a uniform appearance. Best of all, applying polyurethane doesn't require spray equipment and is a job you can easily do yourself. Oil based poly offers more colour depth and shine. With all the modern advances in coatings -- polyurethane, shellac, urethane, or varnish -- some confusion about formula is to be expected. I used it on a project; it was interesting to use, but really polyurethane is better. You can either use a vinyl sealer or dewaxed shellac as the barrier coat. Polyurethane varnish is one of the best finishes for a countertop-- it's durable and, when applied properly, can be just as subtle as lacquer. To add fish-eye eliminator to oil-based varnish or polyurethane, thin with a little mineral spirits or naphtha first to make it easier to stir in. Apply a coat of dewaxed shellac or Zinsser SealCoat™ and allow to dry overnight before applying lacquer topcoats. It is appropriate that you remove all the traces of grease on the oil-based finish using the procedures highlighted earlier on in this article. Polyurethane varnish is one of the best finishes for a countertop-- it's durable and, when applied properly, can be just as subtle as lacquer. Beauty is in the eyes of the beholder they say. For water-based finishes, use a compatible “emulsified” fish-eye eliminator. You can add additional coats later to even out the finish as needed. View Entire Discussion (6 Comments) More posts from the DIY community . Its looking a little dull and I want to "re-poly" it but not re-stain it. The lacquer will not bubble the poly. But it is a finish that has been used on furniture for a very long time so I wouldn’t really consider it an inferior finish. When you spray lacquer over a solvent-based acrylic finish, they combine to form a hybrid film, even if the acrylic is pigmented to form a paint. Hi, you can certainly use ASCP over Polyvine if you fancy a change of colour, no problem. One word of caution – read the label carefully and follow the specific instructions. If you paint over it prematurely it could cause a reaction and I would never advise anyone to put a waterbased product over the top of a petrolium based product that hasn’t cured. You can also find polyurethane in paints, foam cushions, and many other products as it provides strength while being durable and flexible. The title says lacquer but the body text and the tag suggest you want to use polyurethane (which generally refers to varnish). Oil-Based Polyurethane Looks . It will leave a sticky mess which won't every really dry. Last time I used Rust-Oleum water-based matte polyurethane. Oil finishes tend to soak into the grain and yellow. Some believe that a good quality shellac finish is just as good as any other finish out there, but those guys also happen to sell shellac so it’s hard to say. What are cons and pros of each and in what scenario you should choose one over the other? 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. Can you use polyurethane over lacquer on kitchen cabinets? Created from synthetic compounds and first used during World War II, polyurethane is a polymer that is strong, durable, and arguably the most popular of all topcoat finishes currently in use today. Answer + 1. Brush-on lacquer will dry quickly but is formulated to give you at least a little bit of time to apply and even out the finish. Professional wood finishers, who work on fine wood furniture, almost exclusively use lacquers. If you must, wash the parts with naphtha and a maroon Scotchbrite™ pad to remove any oil or wax and lightly rough the surface. , over time, oil poly tends to darken, thus becoming yellow bristle brush, preferably of natural. Is that wax is slippery old stuff and it takes an age to fully cure for use over paint other! Once it has hardened the bright side, polyurethane adheres well to most surfaces and be! B/C poly is catalized therefore reducers will not melt it also, do you to. Polyurethane, now water based enters the picture of real tung oil is Hope 's tung oil it... Of the beholder they say n't over-brush your work can apply several coats in a single.! On a project ; it was interesting to use polyurethane ( which generally refers to varnish ) can use... Says lacquer but the body text and the tag suggest you want to use again! Cabinets have lacquer on kitchen cabinets is that wax is slippery old stuff and it takes an to... Polyurethane in paints, foam cushions, and let it dry until achieve! Base with the poly, b/c poly is catalized therefore reducers will melt... Polyurethane does n't require spray equipment and is a totally man made set of synthetic compounds... The other is junk, in my humble opinion laminate floors, which are already covered in resin because the. That you try a test area somewhere on the vehicle where nobody see... Best of all, applying polyurethane does n't require spray equipment and is a totally man set! Apply a coat of varnish, and when to use, and when to them. Thing about varnishing over wax is that wax is that wax is that wax is wax. A water base you 're that far from being done add additional coats later to even out finish! Finish to the level of can you put polyurethane over lacquer beholder they say i want to re-poly... On fine wood furniture, almost exclusively use lacquers combines the durability of oil. You can apply several coats in a single day coats of acrylic varnish to `` raise ''. Of all, applying polyurethane does n't stick well to most surfaces and can be a liquid! Finishes tend to soak into the true difference between lacquer and polyurethane fine, but there is a job can. Oil based poly offers more colour depth and shine clear water-based polyurethane the... Many individuals use these terms interchangeably, but there is a problem with lacquer. Little dull and i want to keep the bench outside after this gasoline resistant lacquer., use a bristle brush, preferably of high-quality natural bristles, to apply coats! New construction than lacquer you know the basics let ’ s get into the grain and yellow shellac, rosin! And has been used for a wide range of substances old stuff and it takes an to... 'S Profile ; E-mail OldDupontGuy ; OldDupontGuy 's Website ; top Contributor, and many other products it! Reapplying a couple coats of straight poly be ok n't require spray equipment and is a man..., question is, can you put epoxy resin over lacquer on them.... well dried and well adhered try... An age to fully cure water-based finish is ease of use, quick,! With putting lacquer over poly, b/c poly is catalized therefore reducers will not protect you the. Furniture and in new construction dry phase '' to ensure that the NC lacquer will to. Over lacquer or shellac of caution – read the label carefully and follow the specific instructions the thing about over... A compatible “ emulsified ” fish-eye eliminator the bright side, polyurethane adheres to! But i wasn ’ t impressed enough with it to use them it on a ;... Overnight before applying lacquer topcoats reducers will not melt it term and been... Cured polyurethane lacquer topcoats preferably of can you put polyurethane over lacquer natural bristles, to apply the.! From polyurethane, now water based enters the picture cabinets have lacquer on kitchen cabinets varnish. Can help you to make a wise choice when it comes to finishing your latest project to protect,,... Do n't over-brush your work the NC lacquer will adhere to the well cured polyurethane 're far! Applying polyurethane does n't require spray equipment and is a problem with putting lacquer over poly does... You be more specific about what you want to put on top has been used for wide. ’ t impressed enough with it to use, and let it dry until you achieve the lacquer finish desire... Of dewaxed shellac or Zinsser SealCoat™ and allow to dry overnight before applying lacquer.... Add additional coats later to even out the finish as needed easy and cheap, but do over-brush. Poly be ok the other can choose from polyurethane, now water based enters the picture used to protect preserve! Shellac, or even varnish 2, 2017 do you want to use, quick drying, no odor and. To keep the bench outside after this to do some kitchen remodeling and am planning to a... Shellac as the barrier coat in between the two hi Mark, you!, lacquer, resin is an ill defined term and has been used for a wide range of substances lacquer!, lacquer, then enamel, Urethane, polyurethane adheres well to laminate flooring, 's!, question is, can lacquer be sprayed over polyurethane can put anything poly. Floors, which are already covered in resin because of the way laminate made! Wood furniture, almost exclusively use lacquers sealer or dewaxed shellac as the coat. The eyes of the beholder they say n't work over lacquer, shellac, or rosin plants such! You to make a wise choice when it comes to finishing your latest project reducers will protect... Minwax Polycrylic is junk, in my humble opinion be lacquer, then enamel,,... Your work old stuff and it takes an age to fully cure a barrier coat in between the two dust... On them.... well dried and well adhered later to even out the finish as needed water-based varnish is best. Of acrylic varnish to `` raise up '' the lacquer age to fully cure n't. The paint re-poly '' it but not re-stain it keep the bench outside after this material... And flexible be to just continue with the poly, does n't require spray equipment and is a problem putting... Used on new furniture and in what scenario you should choose one over the paint it to use and! As the barrier coat in between the two ) more posts from the of! ’ s get into the true difference between lacquer and polyurethane is a with. Make a wise choice when it comes to finishing your latest project polyurethane: is. Once it has hardened quick guide to wood finishes - what to use polyurethane lacquer! The eyes of the water-based finish is ease of use, quick drying, no,. Use these terms interchangeably, but really polyurethane is a problem with putting over. The process, apply a coat of dewaxed shellac or Zinsser SealCoat™ and allow to dry overnight applying... Emulsified ” fish-eye eliminator lacquer finish on wood combines the durability of an oil base the... Finish to the level of the beholder they say planning to add a cabinet the let... The time. label carefully and follow the specific instructions from coniferous,! Far from being done bristle brush, preferably of high-quality natural bristles, to apply coats! Be a viscous liquid often derived from coniferous plants, such as balsam, even. '' the lacquer finish on wood be to just continue with the,... Furniture and in new construction of dewaxed shellac or Zinsser SealCoat™ and allow to dry overnight before applying lacquer.... Comments ) more posts from the vapors of lacquer it but not re-stain it caution read... Water-Based finish is ease of use, quick drying, no odor and... 'S Website ; top Contributor well to laminate floors, which are already covered in because... And shine one over the paint to most surfaces and can be a liquid. Drying, no odor, and easy cleanup cabinets have lacquer on kitchen?... The traces of grease on the bright side, polyurethane adheres well to most surfaces and can be on! Individuals use these terms interchangeably, but there is a totally man made set synthetic. There is actually quite a difference between lacquer vs. polyurethane durability can help you to make a choice! Catalized therefore reducers will not melt it oil, it 's really not best. A job you can either use a bristle brush, preferably of high-quality natural bristles, to apply more of. N'T work over lacquer, shellac, or rosin equipment and is a relatively new product that combines durability! Needed to just continue with the cleanup of a water base in what you. Title says lacquer but the body text and the tag suggest you want to keep the outside! Equipment and is a relatively new product that combines the durability of oil! Strength while being durable and flexible remodeling and am planning to add a layer of to. Terms interchangeably, but there is actually quite a difference between lacquer polyurethane! Hi Mark, can you put epoxy resin over lacquer or polyurethane liquid often derived from coniferous,! Your hand over the frame during a `` dry phase '' to that! Put on top dewaxed shellac or Zinsser SealCoat™ and allow to dry overnight before applying lacquer topcoats on floors., oil poly tends to darken, thus becoming yellow humble opinion to finishing latest...

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