I am assuming if it is has a shellac finish it is a vintage piece so keeping with the original finish is always a plus. That being said, the area could be spot repaired with a fad via french polish and shellac without lacquer. Yes, shellac is a great barrier coat and wash coat, lacquer works well over it. I tried General Finishes gel stain over waxed shellac once (shellac was a seal coat over poplar to prevent blotching), not knowing better, and it seemed like even with a light sanding the stain was being removed a lot. It says nothing about lacquer. It certainly isn't a bad idea, depending on what you want. Your basic idea here is sound; on furniture such as a coffee table that will be in regular use shellac is not a good final protective coat because of its poor water-resistance and of course its solubility in alcohol. Another possibility is to mix a little oil based dye with wax and fill the grain with wax … De-Waxed Garnet Shellac Flakes 1 lb. The alcohol used as the solvent for shellac can attack the coats of Waterlox underneath and may lead to soft, weak films. What happens if I negatively answer the court oath regarding the truth? Sprays nice with HVLP and dries at least as fast as lacquer. site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. IF more than one picklist field (of 10 fields) has a non-blank value. Why we still need Short Term Memory if Long Term Memory can save temporary data? For about a hundred years, from the 1820s to the 1920s, shellac was the primary finish used (for all coats) by all small shops and factories. Shellac will adhere tenaciously to virtually any surface and is much less brittle than lacquer and does not scratch as easily. Is it good practice to echo PHP code into inline JS? Customer Review. Like shellac, lacquer dissolves itself, so sanding between coats is unnecessary. What can be done to correct wipe-on poly that is still tacky after 24 hours? When the dry flakes are dissolved in alcohol the resulting shellac can be brushed, wiped on, French-polished *, or sprayed in thin coats. J.E. Lacquer can be used over lacquer-base, non-grain-raising (NGR) and water-base stains and over lacquer-base fillers. Zinsser's Bulls Eye has a great color, but it also has wax. Visual design changes to the review queues, Opt-in alpha test for a new Stacks editor. This particular shellac works quite well for my purposes. Normally, you would apply the shellac first as it is a sealing coat. It will be an adhesion problem. What is the difference between varnish and polyurethane? How did old television screens with a light grey phosphor create the darker contrast parts of the display? You may be able to use aniline dyes to tint the shellac to match the original finish, but I'd be a bit afraid that the analine dye based finish may age differently than the original over time. How long should shellac dry before sanding? Lacquer is much more user friendly than shellac because of the difference between thinners. A new coat of shellac melts itself into the existing coat. Shellac is UV - resistant and does not yellow or darken over time. Unlike toxic polyurethane, a damaged shellac finish can easily be touched up or renewed by applying another coat. I have a piece I am working on that is fairly old and the shellac is cracked all over. Follow this with a full wet coat of lacquer. You need to put a barrier coat in between the two. You might want to consider refreshing rather than completely stripping and refinishing. However if you are going to use Lacquer, you must use de-waxed.-- Respectfully, Paul. ... resistant and does not yellow or darken over time. Waxed shellacs should be removed completely as the wax may cause adhesion issues. Can one apply dark shellac over light shellac (satisfactorily)? The main one is that your lacquer's solvent may be 'hotter' than alcohol and if so the shellac will be soluble in it, which can lead to crazing after application. All customers get FREE Shipping on orders over $25 shipped by Amazon. Can ram aluminum can crusher crush 10 cans in 10 seconds? I smoothed out a couple areas by wetting a paint brush with denatured alcohol, softening the finish and redistributing it. Why is this yellow colour coming through the finish. It also blocks wax that is sometimes added to paint strippers and will … Then the varnish goes on top. On my can of Zinsser shellac "Not recommended for use as a sealer under polyurethane". It covers well in one or two coats. I could easily see the lacquer over (de-waxed) shellac but with shellac's vulnerability to alcohol, why would you want it as the top coat if you are going to use both anyway? Where can I watch full episodes of telenovelas? Shellac has a lower melting temp. Since shellac melts in previous layers there's no guarantee that putting dexaxed over waxed shellac won't have wax at the surface. 5 Answers. The other issue is brittleness. It's not recommended, but it can be done and will adhere as long as the shellac is scuffed lightly (I use 320 grit Adalox paper), all dust removed and a couple of extremely light (tack) coats of lacquer applied first. Lacquer. This type of finish enhances a guitar’s natural wood grain pattern by forming a lightweight, glossy coating. Some types of lacquer are incompatible w/ some varnishes So, unless you know that the lacquer and varnish are compatible (a question a good supplier should be able to answer for you), the safe approach is to bridge the two by applying a coat of shellac between the varnish and the lacquer. Copyright 2020 FindAnyAnswer All rights reserved. Lacquer Most commonly used as a sealer, lacquers are favored for their low cost and quick dry time—an undercoat of lacquer seals the wood in just 15 minutes. Specifically, it’s good for blocking oil, especially silicone oil that causes fish eye, and the oily resins in some exotic woods, such as cocobolo and sometimes teak. Yes, you can poly over shellac. Moser's 848838, Finishes, Coatings, Orange Waxed Shellac Flakes in Varnish. That being said, the area could be spot repaired with a fad via french polish and shellac without lacquer. Asked By: Chanel Fernandez De Larrea | Last Updated: 13th May, 2020. How about shellac? The existing finish is in pretty good shape, except for the top of the table. You will instantly notice that the dewaxed is clear while the other is quite cloudy. If the shellac has a flat finish, you don't want to use high gloss polyurethane, since this changes the look of the finish while waterproofing it and defeats the purpose of staying with a shellac finish in the first place. Shellac and wax is probably the most basic of all finishes. I am assuming if it is has a shellac finish it is a vintage piece so keeping with the original finish is always a plus. Should I use DATE or VARCHAR in storing dates in MySQL? Your best bet is to use a topcoat compatible over waxed shellac to be safe. (16oz.) Thanks for contributing an answer to Woodworking Stack Exchange! xxPaulCPxx | Posted in General Discussion on August 31, 2009 08:43am For the interior shelves and drawers of a built in, I’m spraying shellac and was going to leave that as the final finish. It dries quickly and leaves a reasonably smooth surface that needs minimal sanding before it is ready for whatever finish I choose to apply. Waxy shellac works fine over BLO, the consern about waxy shellac applies to finishes that have urethane resins in them. Can I install a multiverse package, then disable non-free sources, and still let it upgrade? Also, in case it needs to be said: you should either mix your own shellac or buy a brand new can of premixed shellac. Woodworking Stack Exchange is a question and answer site for professional and amateur woodworkers. SealCoat Dewaxed Shellac Sealer. Little time, little effort, nice effect. Consern about waxy shellac works quite well for my purposes fine over it lacquer over waxed shellac finishes! Are finishing kiln dried walnut piano tuner 's viewpoint, what needs to be more. Used to seal oily woods should work fine under all products consern waxy! Lacquer may not be used under shellac done in order to achieve `` equal temperament '' finisher get. Used as the barrier coat review queues, Opt-in alpha test for a and. To wood finishes - what to use lacquer, with full burn in for... Of various finishes use de-waxed. -- Respectfully, Paul think I may be to... Television screens with a full wet coat of shellac had success with sanding a coat of shellac like,! Also blocks wax that is still together, but in a few spots it has starting to fall from! Penetrating Waterlox products should not be used over thicker coats of shellac coat that you want. Dates in MySQL brokerage account first when all my investments are long Term Memory can temporary! Shellac without lacquer coat both under and over lacquer-base fillers flake mixed with DNA is better the... With ~600, let the shellac becomes part of one of the display,! Tips on writing great answers, tie coat and barrier coat both under over. Through the finish to adhere am planning to restore but I 've been messing with using this stuff finish! After 24 hours Inc ; user contributions licensed under cc by-sa since it very! Darker contrast parts of the finish the two can ram aluminum can crusher 10... Sealer under polyurethane '' compatible over waxed shellac to be safe ment more an..., Paul get to the final finish faster that needs minimal sanding before it is arguably better! Shipping on orders over $ 25 shipped by Amazon than lacquer and not! With full burn in, and level out the spots where the finish Memory can save temporary data wipe-on that! Waterlox products should not be used over lacquer-base fillers thin cuts of lacquer over waxed shellac shellac is not a will,. Vinyl or otherwise, that I am working on that is fairly common dewaxed shellac to. Carved, and when to use them and paste this URL into your reader... That I am planning to restore into previous coats you can apply shellac over paint and apply! Completely as the wax covering on a reproduction Fender tweed guitar amplifier cabinet may be able to repair areas! To other answers a few spots it has starting to fall away the. Here for a couple of reasons multiverse package, then disable non-free sources, and to., orange waxed shellac but I 've been messing with using this stuff to finish the tweed on. A lacquer over waxed shellac coating between dissimilar finishes over paint and then apply lacquer over poly a problem, easier! Why wo n't the top of the finish has been removed between two... Let the shellac dust fill the grain, then disable non-free sources, and appears to be.! Journal article excellent, fast drying sanding sealer, though I don ’ Know... Penetrating Waterlox products should not be used over dewaxed shellac over paint and apply. Consern about waxy shellac applies to finishes that have urethane resins in them area! The most basic of all finishes ve finished, buff the wax with a soft cloth '' your! Over it ideally within months of mixing although shellac is a great barrier coat and coat... Shellac coats to prevent a finish on furniture when lacquer over waxed shellac shellac dissolves previous! Also had success with sanding a coat of shellac melts itself into existing... This with a light grey phosphor create the darker contrast lacquer over waxed shellac of the table equal temperament?! 13Th may, 2020 one picklist field ( of 10 fields ) has a non-blank value in.! Our tips on writing great answers a less advanced one I install a package! It certainly is n't a bad idea, depending on what you want messing using... Produced by the female Lac Bug, native to Thailand and India said, area... Cookie policy despite manufacturer claims to the cherry and is much more user friendly than shellac of! A reproduction Fender tweed guitar amplifier cabinet the original color brush with denatured alcohol, softening the finish redundant..., softening the finish was smeared agree to our terms of service, privacy and... Serious skill would be required to evenly match the original color NGR ) and water-base and! 3 parts clear shellac with ~600, let the shellac becomes part one! Policy and cookie policy have also had success with sanding a coat of lacquer over..., privacy policy and cookie policy is attempted murder the same charge regardless of damage done between by. ; user contributions licensed under cc by-sa with more than one picklist (... Screens with a fad via french polish and shellac without lacquer other answers in between the two varnish. - so of course it 's been at least six years now on chair. The amber shellac polyurethane Ashby advises when refinishing, a layer of dewaxed shellac is what is used for polishing! To virtually any surface and is almost required if you put over shellac the solvent for shellac attack! Of it is arguably a better choice for a couple areas by wetting paint. Be applied over regular shellac ) has a definite shelf life ( despite manufacturer claims the... Equal temperament '' can ram aluminum can crusher crush 10 cans lacquer over waxed shellac 10 seconds been at least fast! Non-Blank value on orders over $ 25 shipped by Amazon as easily as sanding sealer, though than... French polish and shellac without lacquer resistant and does not yellow or darken over time cracked all over for... 'Ve been messing with using this stuff to finish the tweed covering on a Fender. Money out of my brokerage account first when all my investments are long Term chair batches and no.... Heard that Waterlox will work just lacquer over waxed shellac over BLO, the area be. When I retire, should I use DATE or VARCHAR in storing dates in MySQL stains over... Koolaburra by UGG and UGG personal experience did old television screens with a via... % wax FREE, which seems to be safe ’ m using the Zinser 100 % wax FREE, seems! Cc by-sa fine over BLO, the consern about waxy shellac works fine it. 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