As this is an oil-based finish, it creates some fumes and therefore requires more care in application and clean up. Can Tung oil be used over my homemade cream (beeswax+coconut oil) Thanks. Joined Mar 2, 2020 Messages 231 Location Illinois. Re: Polyurethane finishing over tung oil If its exterior and its subject to foot traffic and its exposed to direct sun, spar is the better bet. Either way, I have used tung oil in pure form and in finish form and then applied a finish over it with no problems, as long as the pure tung oil sat a week. Polyurethane on the contrary sits on the surface of the wood. All you need is a good penetrating stain and it will last for many years. In addition, tung oil soaks into the surface of the wood, a process that might take up to 48 hours to dry. Apply a tung oil topcoat over an oil-based wood stain. Can ram aluminum can crusher crush 10 cans in 10 seconds? My thoughts were I would use a few layers of Tung oil and then a layer or two of polyurethane. Tung Oil. I also have some polyurethane. As a suggestion, on a sample, start off with a 50% oil, 25% varnish/polyurethane, and 25% mineral spirits (or naptha if you want a faster dry). They all share the benefits that tung oil imparts to a finish—durability, water resistance, resilient hardness, and color stability—depending on how much of the oil they actually contain and what form it takes. Polyurethane, Danish oil, Tung oil or spray lacquer are the best tools for our projects. Discussion Starter • #1 • Jun 6, 2008. Re: Polyurethane finishing over tung oil Film type finishes are absolute garbage on exterior items like decks, outdoor furniture and garage doors. As a suggestion, on a sample, start off with a 50% oil, 25% varnish/polyurethane, and 25% mineral spirits (or naptha if you want a faster dry). Can I put polyurethane over tung oil? Apply a base coat of gloss water- or oil-based polyurethane, let it dry and scuff it with 220-grit wet/dry sandpaper. There are water-based polyurethanes not suitable for application over lacquer or shellac. I've never done tung oil over polyurethane before. The varnish component may be varnish or polyurethane (which is also a type of varnish). Tung oil is the name coming from the Tung tree’s nuts. Successive coats take as long also. Just this week, I received an email. Can Feed-N-Wax be used on wood guitars and guitar fretboards? Because it’s a penetrating tung oil product, you really do get a different look and feel from it than you get with a polyurethane, which just sits on top of the wood and forms a plastic-like coating on the wood. Tung oil, which some people misspell as "tongue oil," is an example of the first option, while urethane – or more commonly polyurethane – is an example of the second. Pure tung will take a lot longer to harden, probably at least a week or two until it could be topcoated. Pros/Cons of Applying Water Based Polyurethane Over Oil Based. They're blends of oil and varnish known as wiping varnishes. Tung oil needs to be studied closely if one wants the best that TO has to offer as a finish. . These "Tung Oil Finishes" may or may not contain some true tung oil, but most do not contain any true tung oil. Reactions: BFD Guns. Let’s read now to see the difference between Danish oil and Tung oil. You got it backwards. Polyurethane sits on top of the wood to form a protective barrier that is watertight in only two coats. I have access to a ton of Tung oil my dad picked up for dirt cheap. It does not coat the wood in a way that polyurethane does. You can thin it with thinner but then you will have "Danish Oil," which is nothing more than thinned Tung Oil. That will leave a thin coat that will maintain the look you want … When you apply varnish, however, the product leaves a hard coating on the surface of the wood, and you can build this up to a glassy smooth finish by adding successive coats. Once varnish hardens and cures, it's impenetrable. Finished up my first clock. Real tung oil takes a few days to cure. If it really is tung oil, it won't work over lacquer or polyurethane. It will leave a sticky mess which won't every really dry. TO is a super finish and highly water proof, better than any other oil as a water protector/proofer, but length of time for curing is a factor. Waterlox Original Tung oil finishes are penetrating oil finishes and should therefore be applied to bare wood (does not refer to stain coat(s) if used). If you use anything before tung oil that creates any kind of barrier or seals the wood in any way, you’ve defeated the benefit of Tung Oil. Then you will want to use a tung oil-based topcoat applied over an oil-based stain when you are staining or refinishing your special piece of furniture. Tutorial on how to use 100% pure tung oil wood finish the right way. You're buying a "faux tung oil finish".There are two types of "tung oil finishes". If you are looking for a polyurethane alternative that is more environmentally-friendly, then you should certainly consider tung oil. How do I get a high gloss finish with tung oil? Also, how do you finish wood with tung oil? Not allowing the oil beneath to cure fully will mean that part of the oil mixes with the solvent used to carry the polyurethane (assuming oil-based poly), leading to a splotchy finish. Tung oil has been used on pens by a few since almost as long as this forum has been operating. Not all paint thinners are suitable for oil-based polyurethane finishes. In fact, you can apply it in much the same way as you did the oil -- scrub it on with fine Scotchbrite, then wipe it off. Stripping a hardwood floor, weighting which would be a better finish. Most "100% Tung Oil" finishes need days to cure/dry for a single coat. It is derived from nuts from tung trees that are indigenous to China, and so is also known as China wood oil. The oil can't penetrate, and with nowhere to go, it simply sits on the surface and turns into a semi-hard gel. This is why you must first sand a varnish (an oil finish) in between coats and create minor crevices for … January 7, 2020 Reply. See list of Tung Oils that are not 100% pure tung oil below. Additionally, can you apply beeswax over tung oil? Differences In Tung Oil and Polyurethane. Try to change only one component at a time. There are water-based polyurethanes not suitable for application over lacquer or shellac. Chinese artifacts brought up from the deep that were finished many years ago with tung oil are as beautiful today as they were a hundred or so years ago. The tung oil will just sit on top of the varnish and leave a sticky deposit. If you're using a water-based poly, it will bead … I have done a lot of pieces with the finish you want to do, minus the bleach. best . The ONLY time I use poly is to seal paint finishes...usually Minwax Polyurethane or Valspar clear spray to seal "chalk paint" or spray paint finishes. Asked By: Rosanny Pinson | Last Updated: 16th May, 2020, Woodworking Expert - Michael Dresdner: "Yes, I, For maximum protection, you'll need to add a coat, After a while, then reapply to achieve more of a, From contributor T: You could try using 2 coats of. Pure Tung oil is less likely to add an amberish tint to the mix. Because of the thick patina it leaves behind, however, polyurethane is not ideal for intricate woodworking such as … 2-3 coats should be sufficient. 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. After that, you should be fine as long as the tung is a tung oil finish (common tung oil and varnish blend) and not pure tung. Most "tung oil" today is actually a tung oil finish. Danish oil and teak oil aren't really oils. Forget about applying pure tung oil to a surface with a varnish coating. In this video, Aden goes over the basics of applying Tung Oil. From the results of the mix, changing one or more of the components will change the finish. Neither tung oil nor linseed oil are film coatings, so the wood grain never loses its natural texture. Tung Oil Versus Polyurethane? On the other hand, tung oil is expensive and susceptible to water rings, stains, and scratches. The main elements of Danish oil are usually boiled linseed oil and Tung oil. pgkjsk. Dating back to the 14th century, tung oil was used to waterproof and protect wooden ships. Dilute the remaining can with equal amounts of paint thinner. I am at a point where I want to start finishing the wood (which is Maple). Polyurethane sits on top of the wood to form a protective barrier that is watertight in only two coats. You should remove grease, dirt and wax by scrubbing the surface with a wood prep/cleaner/de-glosser, or mineral spirits and synthetic steel wool. Make sure that you use the right kind. Application over previously finished surfaces. What's the difference between Koolaburra by UGG and UGG? However, there is one thing that you need to have at the back of your mind before doing so. Tung oil forms a hard surface once cured; at the same time, it is water-proof, durable, and has a glossy finish that gives the wood a ‘wet’ look. Can you put polyurethane over tung oil? Picture of the floor after taking the carpet up. Love the look of tung oil but does it protect as well as a poly finish? Hey Kriya. However, there is one thing that you need to have at the back of your mind before doing so. The most common polymer was a plant-based alkyd until paint manufacturers discovered how to dissolve plastics, such as acrylic and polyurethane, in a mixture of solvents and natural oils. You can put anything over poly, b/c poly is catalized therefore reducers will not melt it. Woodworking Expert - Michael Dresdner: "Yes, I would put a coat or two of oil-based polyurethane on for more durability, and it is fully compatible over the dried tung oil (or linseed oil, or any other drying oil for that matter.) Reply. There is a 4:1 mix of 100% Tung Oil and natural beeswax. The only tung oiled neck I've ever had to refinish is my main bass -- a 2002 LB70 -- but I do not know if that is due to the substantially higher wear-and-tear on that instrument or the fact that I applied the tung oil myself (the bass was originally gloss all over, but I refinished it many years ago with tung oil and have refinished the neck with tung oil or tru oil a couple times since then). It is honestly a "personal preference." Tung oil is a fairly new addition to the North American woodworking scene, having been introduced in the early 1900s. Unless you are familiar with it, make sure you test it on a piece of scrap. Tung oil, which some people misspell as "tongue oil," is an example of the first option, while urethane – or more commonly polyurethane – is an example of the second. When applied to a raw surface, the oil hardens to protect and add luster to the wood. For making your own Danish oil, you should ensure that it contains ingredients with drying agents such as Tung oil and boiled linseed oil. If you want to transform the sheen from high gloss to satin or matte, then using a hardening oil such as tung oil is a good way to do it. Finishers refer to them as film finishes because they create an impervious coating that … I've done tung oil on an unfinished laminate stock though and they turn out great . Historically, wood crafters have been using oil finishes longer than they've been using varnishes. And keep in mind, I am talking about oil FINISHES...not REAL tung oil. Tung oil is not a thick “top-coat” finish like polyurethane, it’s usually rubbed into the pores of the wood to seal it. However, it does require some upkeep. What cars have the most expensive catalytic converters? Our Products Product Line. I’m Brad, and I make how-to videos. Some examples of … When shopping for finishes, you might come across tung oil polyurethane. He worked as an expert consultant with eHow Now and Pro Referral -- a Home Depot site. I want to seal the wood from water and give it a nice finish. ... Over time, it will be necessary to re-oil the floors. Tung oil (real and pure) yields a beautiful finish both in sheen and water resistance. Waterlox Original Tung oil finishes can be applied over mineral or vegetable oil after the countertop has aged for a minimum of 30 days in adequate ventilation. Do you have to sand between coats of tung oil? If you want to have a life time job do a film finish. The oil has been cultivated and used in China as a wood finish for at least 2,500 years. Can Feed-N-Wax be applied over a tung oil finish, polyurethane finish, varnish, lacquer, wood finish? There are no significant advantages or disadvantages of applying water-based polyurethane over oil-based. The whole purpose of Tung Oil is to soak into the wood, not just be a surface layer finish. If it starts to wear down the road a few years, add extra coats the same way." Today, among the oiled finishes is the preferred choice by skilled craftsmen. i think dan was reiterating what tom said in that poly has tung oil or linseed oil in it, so if you want that yellow color poly will be all that you need. Polyurethane dries faster than tung oil and takes only 12 hours to cure. Marine Tung Oil is a special mixture of TO that withstands water and prohibits rot. July 2, 2020 Reply. If you like the subtle tan/yellow coloration BLO provides, an oil-based polyurethane should provide a similar tinting. Apply the oil liberally to the surface. Got it from Michael Dressner. Avoid adding oils that do not dry, for example, mineral oil. I also have some polyurethane. Tung Oil. So in actuality they “cure” rather than dry. Now that it's here, it's a common ingredient in many finishing products that aren't actually oils, despite what the labels on these products say. They usually contain tung or linseed oil, but they also contain polymers that harden to leave a film coating, albeit these polymers are highly diluted in the oil and solvent substrate. There are no significant advantages or disadvantages of applying water-based polyurethane over oil-based. I hate yellow undertones and didn’t want my floors yellowing in spots. It’s all natural, non-toxic, and eco-friendly, and it doesn’t yellow as much over time as common finishes like linseed oil, nitrocellulose lacquer, or varnishes like polyurethane. Well, because it is super easy to apply and there is no better finish for durability and touchups! A Drying Oil is one that will harden to form a solid film after exposure to the air over time. It is a mix of oil and varnish, and it isn't clear that any of the oil is tung oil.. It does matter what kind of finish you try to put over it. Finishers refer to them as film finishes because they create an impervious coating that won't permit oils to pass. BFD Guns Well-Known Member. If you want to get the best results when using tung oil, you have to apply several coats and scuff each coat with fine sandpaper when it dries. This is a natural finish that is non-toxic and will turn out excellently. At first, what is Danish oil and Tung oil? Surface preparation is one of the most important steps when refinishing wood. I guess we aren’t the only ones who are interested in this beautiful, natural, nontoxic finish. If you’re looking for a waterproof surface, you will have to apply around seven coats of tung oil. Unlike polyurethane, tung oil must be rubbed on the surface, not applied with a … The biggest negative for me and why I didn’t use polyurethane is that it’s going to amber over time. Even though varnish might contain tung oil, the two are as different as bread is from yeast, which is only one of the ingredients in bread. For me, I prefer Formby's Tung Oil finish...but I have tried Watco danish oil, teak oil finish and several other oil finishes. Both sealants have positives to using them and negatives. Michael Dresdner: Yes, I would put a coat or two of oil-based polyurethane on for more durability, and it is fully compatible over the dried tung oil (or linseed oil, or any other drying oil for that matter.) 7,600 Posts . Apply a second coat. Because wiping varnishes are so thin, you usually apply them with a rag, wiping them on as you would a true oil. Woodworking Expert - Michael Dresdner: "Yes, I would put a coat or two of oil-based polyurethane on for more durability, and it is fully compatible over the dried tung oil (or linseed oil, or any other drying oil for that matter.) make sure you blow off the piece with compressed air or use a tack rag to clean the open grain prior to finishing. Dilute the polyurethane, if needed. Click for price. It penetrates deep into the pores of the wood, forming a bond from within and actually becoming a part of the wood. Tung oil is made from the pressed seeds of the Tung tree nut. Just like a polyurethane. Moreover surfaces on which Tung oil is applied require touch-ups yearly to maintain their sleek finish. Tung oil soaks into the wood and enhances the wood grain while polyurethane sits on top of the wood and creates a layer, resulting in dulled wood grain. Unlike varnish (which sits on top of the wood), the goal with tung oil is to thoroughly saturate the wood cells. Copyright 2020 FindAnyAnswer All rights reserved. In this way, can you put tung oil over stain? . 4. Tung oil makes the wood look granular and grainy by enhancing the natural grain of wood. Woodworking Expert – Michael Dresdner: “Yes, I would put a coat or two of oil-based polyurethane on for more durability, and it is fully compatible over the dried tung oil (or linseed oil, or any other drying oil for that matter.) A pure or polymerized tung oil finish is easy to use and will produce beautiful results on any type of wood, inside or out. It’s a quality that’s hard to explain, and you probably can’t even tell the difference in pictures, but in person there’s definitely a difference. It doesn’t appear to have any finish on it and appears to be in descent condition Most "100% Tung Oil" finishes need days to cure/dry for a single coat. What is the difference between tung oil and Danish oil? When you want to apply a clear finish to a wood table or cabinet, you have a choice between penetrating oils and varnishes. Their only claim to the use of the word "tung" is that it claims to give you the appearence of finish that results from true tung oil. Polyurethane varnish mixes alkyd and polyurethane resins with different types of drying oils. The last one takes a few more coats but pops the grain really well. Try to change only one component at a time. Matthew Logan. It just wipes on, dries overnight and doesn’t require a sprayer. Where To Buy Find Our Products. You can, but you won't like the results. It takes approximately 7 coats of Tung oil to make your surface truly waterproof. I have used regular polyurethane, Danish oil, or even a custom mixture I learned a long time ago. It’d be like repainting a Rolls Royce with a can of rustoleum!! I’m sure you could go over Tung Oil with polyurethane but why? That's not true for varnishes. Do I have to shake the can of Restor-A-Finish before using? Does Hermione die in Harry Potter and the cursed child? But if you really want the tung oil finish, (i personally think is darker then poly) then let it dry for a week and then top coat it with polycrilic poly so it won't color the tung oil that you so desired. Tung oil is an easy-to-use transparent finish that is resistant to water, most liquids and mildew. And in the two years we’ve been living with these floors, we have received hundreds of questions about how they are holding up. This is crucial as it allows the finish to lock out water and … If you like the "in-the-wood" look, then just stay with the oil/varnish mix. I have access to a ton of Tung oil my dad picked up for dirt cheap. Increasing the amount of oil makes the finish flexible enough to withstand wood movement outdoors. My old standby finish was Deft Oil, which was great, but they stopped making it … Similarly to linseed oil, it is difficult to find furniture that is made with raw or 100% pure tung oil. After sanding and cleaning the wood surface to remove any previous finish, spread the oil along the grain pattern using a clean, lint-free rag. Your polymerized tung oil product over a cured Watco Danish Oil, a boiled linseed oil finish or pure tung oil finish would probably be OK. I finished in with Tung Oil but I'm wondering if I need to put a coat of something else on it to better protect it. Get tung oil through my affiliate link here: http://amzn.to/2CuRrZwHey guys! Polyurethane sits on top of the wood to form a protective barrier that is watertight in only two coats. However, as an oil/varnish finish it would provide a more protective finish than pure tung oil. You can't use it and pure tung oil on the same piece of furniture. Tung oil takes up to 48 hours to dry. Tung oil finish needs to cure at least 36 hours before topcoating. Hunker may earn compensation through affiliate links in this story. Thus, avoid using Danish oil on surfaces that have been painted or have a polyurethane film, lacquer, or varnish. Pros/Cons of Applying Water Based Polyurethane Over Oil Based. The whole purpose of Tung Oil is to soak into the wood, not just be a surface layer finish. Woodworking Expert - Michael Dresdner: "Yes, I would put a coat or two of oil-based polyurethane on for more durability, and it is fully compatible over the dried tung oil (or linseed oil, or any other drying oil for that matter.) Reducing the ratio of oil to resin creates a hard finish for indoor use. You can apply the oil with a natural bristle brush, a sponge brush, or a soft and lint-free rag. It isn't used regularly though, IMO. Successive coats take as long also. When you've applied the first coat, let the oil absorb. Some finishes that say "TO finish" have little or no TO in it. I have done it with precat lacquer with no problems, as long as I mist coat on the sealer. The problem with this is I wouldn’t use … Waterlox Original Tung oil finishes are penetrating oil finishes and should therefore be applied to bare wood (does not refer to stain coat(s) if used). Answer: In most cases, it is OK to use a water-based polyurethane over an oil-based finish in good condition. 7,600 Posts . Set one of the cans aside to use for later layers. Then, we add thinner to make the liquid spread more efficiently and penetrate deeper into the wood. Most varnishes contain tung or linseed oil as an ingredient, but they also contain natural or synthetic polymers. It's for my daughter's room. Penetrating tung oil finishes come in three varieties: pure tung oil, oil/varnish blends, and wiping varnish. Chris Deziel is a contractor, builder and general fix-it pro who has been active in the construction trades for 40 years.
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