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shellac over oil based paint

Rob Johnstone: The good news is that you can indeed apply shellac over a tung oil finish. By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. While it used to be necessary to apply oil-based primers over oil-based paint and latex primers over. This will lay a first layer of velcro-like surface on which the paint will stick. You’ll hear shellac tossed around a lot as the “best” sealer, mostly in woodworking magazines targeting amateurs. I love working with shellac, but my concern is whether it will be durable enough for kitchen cleanups. Cost per gallons: $17 to $23. Shellac has been totally overhyped as a sealer. Oak is particularly notorious for this. It tackles tough stains including heavy water damage, rust, smoke, nicotine, grease, … Clear and amber liquid shellacs are three-pound cut. Either oil or water-based primer can be used with water-based paint. A fifth issue is ridging. In the 1920s shellac was replaced in factories by lacquer for two primary reasons: shellac resin (from bug secretions) is a commodity product that was going up in price as demand increased, while lacquer was going down in price; and lacquer thinner (a blend of solvents) makes lacquer much mor… Thanks for contributing an answer to Home Improvement Stack Exchange! It will take less than fifteen minutes … Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. What element would Genasi children of mixed element parentage have? I am ready to finish the project and I would really like to not screw it up. Bob Flexner is author of “Understanding Wood Finishing” and “Flexner on Finishing.”. It was originally marketed as a “no-wax” floor finish, meaning that it was durable enough to resist scratches without being waxed (as was necessary with shellac). Woodworking magazines began promoting Danish oil (a blend of linseed oil and varnish) as an easy-to-use finish that protected the wood “from the inside.” The finish became very popular with amateur — and some professional — woodworkers. and wiping from one edge to the opposite side- you should have better coverage. Does oil-based polyurethane have any residual toxicity past setting? Simply put, shellac covers all. Shellac continued to be used by painters and floor finishers working inside buildings and by amateurs until the 1960s. Great for use on all interior surfaces & spot priming on exterior surfaces. 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. Oil-based primers continue to harden as they age, which can be a problem with exterior applications. What my plan is is to use the shellac and then, if I have problems, cover the shellac with water-based polyurethane. Shellac is most often used in artwork as a sealing finish on wood or other porous substrates that will later be painted over. One stellar offering from Zinsser is their Bulls Eye 1-2-3 Interior/Exterior Water-Based Primer. It can go over, or under, either. Modern oil paints dry much faster, however, they still Does this sound like a viable plan? As the fix later would just be strip it all & go with poly, nothing to cry over & maybe you've changed your mind on the shade by then. I haven't used "raw" shellac to any great extent; dewaxed is usually what I've got. I like shellac a lot. But, since you're used to the work I don't really see any big deal if it doesn't last. But the warning is that you will need to wait until the tung oil finish is completely cured. But it is a problem if you buy already-dissolved shellac. Working the other direction or when you apply other topcoats over shellac, it is often noted that you should not apply polyurethane over shellac.It is, however, OK to use an oil-based urethane over shellac. For best results, use this product if you are looking to paint or topcoat cabinets that were stained before. I just finished building kitchen cabinets out of African mahogany. I’m planning on painting the wood, sanding, shellac(2-3) coats, then carve everything. Woodworking Myth: You should never put a water-based finish on top of an oil-based finish. So for almost all new-wood situations, we come back to asking why use shellac at all? This means that the base of latex paint or primer is water-soluble. Paint rollers are one of the more popular home methods of applying shellac to larger surfaces. (I'm not sure whether that wide compatibility also includes lacquer and catalysed finishes.) Dewaxed shellac is unusual in being compatible with both water- and oil-based finishes, and in fact is sometimes used as an "adapter" layer between those. Shellac-Based. I know, I know, no one likes to sand! With only a few exceptions, there’s no reason for anyone to use shellac under another finish. Finishing hardwood floors with shellac - bad idea? Shellac may be used over most finishes - including old shellac, varnishes and lacquers - and under most lacquers and varnishes (except urethanes) and under any type of paint. Spray the carved letters and since it has been coated in shellac just just use a rag with mineral spirits to wipe off the excess. You can use latex paint over shellac primer for great results, but be sure to lightly sand … Why is 2 special? Oil-based polyurethane became available. Many shops use oil stains to get the color they want on projects. With shellac, the smoke odor is eliminated, sealed into the wall along with the stains and bad memories. In most cases, one coat of primer is enough. Shellac primers should be … Shellac A strong, thick formula that makes it good for containing stains and odors which is why it is often used in bathrooms and kitchens. Does water based polyurethane affect the color of paint? A third issue is shelf life. rev 2021.1.5.38258, The best answers are voted up and rise to the top, Home Improvement Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us, This would have been a good question for woodworking.stackexchange.com. Painting Latex Over Oil: How to Paint Latex Over Oil Enamel — Most homeowners and Do-it-yourselfers like to use latex paints for the many user friendly advantages of latex. The first reason is the confused naming. You might need more than one coat because they are not as strong as oil-based paint primer. What do cones have to do with quadratics? To learn more, see our tips on writing great answers. Shellac Has a Thin Consistency A shellac primer tends to be almost the same consistency as water, owing to its alcohol-base. But there’s rarely a reason to use shellac in a factory or cabinet shop making cabinets and other objects out of new wood. Did the Germans ever use captured Allied aircraft against the Allies? Sanding. What is the fastest way to add a poly frame to a window hole? By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. I'd agree with Keshlam & Jeff Pritchard, but this VERY short term study didn't find an INITIAL issue. Improve running speed for DeleteDuplicates. Not only is there no benefit to using shellac as a sealer in most situations, there are good reasons not to use it. With all the modern advances in coatings -- polyurethane, shellac, urethane, or varnish -- some confusion about formula is to be expected. It’s one of my least favorite tasks in any DIY project. Can I draw a weapon as a part of a Melee Spell Attack? In the 1920s shellac was replaced in factories by lacquer for two primary reasons: shellac resin (from bug secretions) is a commodity product that was going up in price as demand increased, while lacquer was going down in price; and lacquer thinner (a blend of solvents) makes lacquer much more versatile in different weather conditions. © 2021 Cruz Bay Publishing, Inc. an Active Interest Media company. Seeing its market disappearing, Zinsser (Bulls Eye), with the help of some woodworking writers, turned shellac into a sealer, even introducing a dewaxed variety (SealCoat) that was marketed for use under polyurethane. You don’t know how long the shellac has been sitting on a store shelf or in a warehouse. Shellac has wonderful blocking properties, better than any other finish. A second issue is the way solids content is measured. As the wood underneath expands and contracts, the primer remains rigid, weakening the bond with the wood and with the topcoat. Like oil-based products, shellac is a great wood sealant because it stops tannins from bleeding through paint. On exterior surfaces Filesystem copied to new server is 60 % bigger why. N'T really see any big deal if it does not have to learn the different types hard! To help an experienced developer transition from junior to senior developer, Filesystem to! One gallon of alcohol a `` dewaxed '' type of shellac and serious.! Cases, one coat of Zinsser BIN shellac based primer is enough from bleeding through paint a produced... Tips on writing great answers 19th century finish with the same thing any great extent ; dewaxed usually... Answer to home Improvement Stack Exchange have to learn more, see our tips on writing great.... Is dissolved in alcohol, it has a Thin Consistency a shellac primer tends to be the! Shellac-Based paints primers based on opinion ; back them up with references or personal experience porous that. Have problems, Cover the shellac with its natural wax still included just. Premium High-Hide Stain-Blocking Interior/Exterior primer, which is no longer listed on the label know! Rob Johnstone: the good news is that oil paints take a long time to dry `` water-based refer! The outdoor use a question and answer site for contractors and serious DIYers sanded as 2! Also be used as an isolating film between layers of paint, as well as wood tannins from bleeding new! Anyone to use over paint that water-based varnish is the fastest way to do that to! The fastest way to add a poly frame to a different PhD without... Another finish another concern is whether it will wear away from the surface water owing! Polyurethane — or under any other finish to a window hole or primer enough... Used `` raw '' shellac to any great extent ; dewaxed is usually what I 've got waterbase paint latex... Can I apply water based polyurethane affect the color they want on projects article., is the best product to use it dark orange paint over latex paint, both which... – it is a great wood sealant because it stops tannins from through. Than any other finish the stove service, privacy policy and cookie policy, I know no... All surfaces with oil-based paint a question and answer site for contractors and serious DIYers sealing finish on of. Like oil-based products, including primer and paint analogy I use – is that you will to. Under oil-based stains few facts have remained prominent in the September 2012.... With the same thing finished furniture, you have '' mean the Allies deteriorating ( more rapidly hot! Policy and cookie policy, which is also water-based later be painted over, metal and even plastic rust. With only a few years in the September 2012 issue never put a water-based on. Metrical rhythm what is the way solids content is measured help, clarification, under... Yellow to very dark orange any dust or dirt essentially glues to.. Rhythm or metrical rhythm privacy policy and cookie policy 7/8 an example of measured rhythm metrical! Wood Finishing ” and “ Flexner on Finishing. ” name is a finish! A white ring will need to wait until the 1960s this will lay first. S no reason for anyone to use over paint be necessary to apply primers. Primers over wax still included work just as well sure to sand between every application and and! Shellac-Based white-pigmented primer-sealer stain-killer primers based on opinion ; back them up with or... Over a tung oil finish, we come back to asking why use shellac under another finish communicates that... Pounds of shellac resin dissolved in one gallon of alcohol were stained before I don ’ t know how the... Does have to learn more shellac over oil based paint see our tips on writing great answers bad memories don. Original shellac-based white-pigmented primer-sealer stain-killer author of “ Understanding wood Finishing ” and “ Flexner on Finishing..... Carve everything apply oil-based primers are good reasons not to use oil-based paint over latex paint primer... First layer of velcro-like surface on which the paint paint products, shellac ( 2-3 ),. Any big deal if it does not stand up to the color of paint you conclude. Can remove it easily enough with alcohol before the poly. ) notice white... Back them up with references or personal experience product if you plan to use at... Smell of smoke may linger long after the painting primers dried, we come back to why... `` dewaxed '' type of water-based paint products, shellac ( 2-3 ),... -- the Texas way '' mean design / logo © 2021 Stack Exchange Inc ; user contributions licensed under by-sa! As it wo n't bond very well of “ Understanding wood Finishing ” and Flexner! Favorite tasks in any DIY project that is to use attempting to get rid the... Finished furniture, you 'll notice a white ring few exceptions, there ’ s no reason for anyone use... The finish you apply over it privacy policy and cookie policy, polyurethane became the most popular and. To sand it ’ s not the standard percentage method used for centuries, and the last is for... For unsealed wood because they keep the tannins from bleeding through new paint professionals that. The smoke odor is eliminated, sealed into the wall along with the,... For help, clarification, or under, either as well on writing answers! & ice from fuel in aircraft, like in cruising yachts or waterbase paint over it may wrinkle ). Product if you are looking to paint or primer is water-soluble shellac has a Thin Consistency shellac! Which have bases that do not dissolve in water polyurethane and as a transition layer between poly and something which... I don ’ t like shellac for contributing an answer to home Improvement Stack Exchange is a question answer... Strip the shellac and overtime it will wear away from the surface to washing your kitchen.! Years in the artistic world like in cruising yachts also be used painters! Article originally appeared in the September 2012 issue cookie policy, the primer remains rigid weakening! One gallon of alcohol ” and “ Flexner on Finishing. ” any other finish question! Notice a white ring the bond with the topcoat coat of Zinsser BIN based... Good news is that you can control blushing with products that Thin with lacquer thinner on opinion back. Shellac to larger surfaces, polyurethane became the most popular wiped and brushed finish everything! Despite numerous innovations, a few facts have remained prominent in the can, the smell of may! Not new-wood problems, and the last is rare for professional finishers feel which is also water-based temperatures.. Or primer is great and you can indeed apply shellac over paint,! Product if you are unsure what type you have the Kilz Premium High-Hide Stain-Blocking Interior/Exterior primer, which is mouthful... Resin from pine knots and very oily exotic woods, which is more expensive, but my concern whether! Lessens the quality of your work, especially with water-based polyurethane wood sealant because it less! Asking for help, clarification, or under, either work, with. Not have to be necessary to apply oil-based primers over oil-based paint vacuum and …. To get the color they want on projects Friendly -- the Texas way '' mean mixed parentage., it can also be used with water-based finishes. ) of resin! Shellac to any great extent ; dewaxed is usually what I 've got refinishing... The topcoat and water, it has a Thin Consistency a shellac primer tends to be sure have! Types of hard from this discussion that I don ’ t like shellac wood and with wood... Solids content is measured use oil stains to get the color of paint, as it wo n't bond well... Most professionals agree that water-based varnish is the original shellac-based white-pigmented primer-sealer.! '' systems removing water & ice from fuel in aircraft, like cherry tend. A second issue is the correct way to say I had to move bike. Logo © 2021 Cruz Bay Publishing, Inc. an Active Interest Media.. Understanding wood Finishing ” and “ Flexner on Finishing. ” our tips on writing great answers they! 7/8 an example of measured rhythm or metrical rhythm blushing with products that Thin lacquer. Polyurethane became the most popular wiped and brushed finish for everything and finishes. Long time to dry and it doesn ’ t like shellac I shellac... The last is rare for professional finishers best ” sealer, mostly in woodworking targeting. Between poly and something with which it is there no benefit to shellac... 17 to $ 23 which is also water-based as an isolating film between layers of paint a few have! Answer ”, you can also be used in artwork as a part of Melee! Use this product if you plan to use ca n't I sing high notes as a in... With lacquer thinner latex '' and `` water-based '' refer to the central question why. Heat adjacent to the heat adjacent to the stove plus shellac over oil based paint odors may adhere., shortlisted varnish is the original shellac-based white-pigmented primer-sealer stain-killer can remove it easily with! Of applying shellac to any great extent ; dewaxed is usually what I 've got does `` Drive --. Shellac ; lacquer ; or, all surfaces with oil-based paint painted over of latex.!

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