I've never done tung oil over polyurethane before. The two most common oils are linseed oil, derived from flax seeds, and tung oil, which comes from the nut of a tree that grows in China. Stripping a hardwood floor, weighting which would be a better finish. Tung Oil On Walnut; Tung oil is a natural finish that adds a warmth to walnut that is second to none. Reply. I've done tung oil on an unfinished laminate stock though and they turn out great . 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. Finished up my first clock. Tung Oil Versus Polyurethane? Tung oil can be reapplied in spots whereas polyurethane has to be completely stripped and reapplied over the ENTIRE floor. When you want to apply a clear finish to a wood table or cabinet, you have a choice between penetrating oils and varnishes. Apply a base coat of gloss water- or oil-based polyurethane, let it dry and scuff it with 220-grit wet/dry sandpaper. Tung oil is used to make finishes that can replicate what polyurethane is capable of. How can I reactivate my PhilHealth account? 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. This is a natural finish that is non-toxic and will turn out excellently. What's the difference between Koolaburra by UGG and UGG? This product contains tung oil, but because it also contains polyurethane, it's a varnish. Most "tung oil" today is actually a tung oil finish. Joined Mar 2, 2020 Messages 231 Location Illinois. Consequently, you usually don't scuff between coats, and for this reason, the ultimate finish isn't as lustrous as that of tung oil. Tung oil is derived from pressing the seeds of the tung tree, which is native to Eastern Asia. 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. I am often asked...why do you prefer oil finishes over polyurethane? There are water-based polyurethanes not suitable for application over lacquer or shellac. Answer: In most cases, it is OK to use a water-based polyurethane over an oil-based finish in good condition. A DIYer by nature, Deziel regularly shares tips and tricks for a better home and garden at Hunker.com. What cars have the most expensive catalytic converters? If it starts to wear down the road a few years, add extra coats the same way." See list of Tung Oils that are not 100% pure tung oil below. Tung oil soaks into the surface of the wood and can take up to 48 hours to dry. Hunker may earn compensation through affiliate links in this story. When shopping for finishes, you might come across tung oil polyurethane. Consequently, if you like the idea of applying tung oil finish, don't apply varnish first. Just like a polyurethane. Unlike an oil/varnish blend, however, the ingredients are heated until they combine. Purchase two cans of oil-based polyurethane. The last one takes a few more coats but pops the grain really well. 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. Oil varnish makes a much more satisfactory finish than any of the pure oils. If you are looking for a polyurethane alternative that is more environmentally-friendly, then you should certainly consider tung oil. Pure Tung oil is less likely to add an amberish tint to the mix. Dilute the remaining can with equal amounts of paint thinner. 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. Do I have to shake the can of Restor-A-Finish before using? Instead of installing pre-finished floors or using polyurethane, we chose to finish unfinished yellow pine with pure tung oil. 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. And in the two years we’ve been living with these floors, we have received hundreds of questions about how they are holding up. Real tung oil takes a few days to cure. 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. I’m Brad, and I make how-to videos. When applied to a raw surface, the oil hardens to protect and add luster to the wood. It's no secret that I am not a big wax fan. I have access to a ton of Tung oil my dad picked up for dirt cheap. As this is an oil-based finish, it creates some fumes and therefore requires more care in application and clean up. I am at a point where I want to start finishing the wood (which is Maple). Polyurethane dries faster than tung oil and takes only 12 hours to cure. Differences In Tung Oil and Polyurethane. Tung oil can be applied on the wood surface using a normal piece of cloth whereas polyurethane has to be applied using a sponge or paint brush. However, as an oil/varnish finish it would provide a more protective finish than pure tung oil. Polyurethane dries faster than tung oil and takes only 12 hours to cure. If you're using a water-based poly, it will bead … I've got polyurethane … 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. Tung oil is not a thick “top-coat” finish like polyurethane, it’s usually rubbed into the pores of the wood to seal it. I am at a point where I want to start finishing the wood (which is Maple). You can thin it with thinner but then you will have "Danish Oil," which is nothing more than thinned Tung Oil. Remember, you apply, let soak for a few minutes, and … Tung oil finishes are usually applied to unfinished wood, but they can be used over oil based stains. Currently, one of my favorite finishes is tung oil. 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. 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. Just this week, I received an email. Because wiping varnishes are so thin, you usually apply them with a rag, wiping them on as you would a true oil. Reactions: BFD Guns. Make sure that you use the right kind. It isn't used regularly though, IMO. Because of the thick patina it leaves behind, however, polyurethane is not ideal for intricate woodworking such as … I hate yellow undertones and didn’t want my floors yellowing in spots. 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. Then, we add thinner to make the liquid spread more efficiently and penetrate deeper into the wood. On the other hand, tung oil is expensive and susceptible to water rings, stains, and scratches. Can you use tung oil over linseed oil? However, there is one thing that you need to have at the back of your mind before doing so. Not all paint thinners are suitable for oil-based polyurethane finishes. Can Tung oil be used over my homemade cream (beeswax+coconut oil) Thanks. I guess we aren’t the only ones who are interested in this beautiful, natural, nontoxic finish. Other types of existing finishes, such as varnish, must be removed, as tung oil is a penetrating oil. Oils sink deep into the wood, and although they harden in the grain, they never prevent the addition of more oil. 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. 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. Most "100% Tung Oil" finishes need days to cure/dry for a single coat. Thus, avoid using Danish oil on surfaces that have been painted or have a polyurethane film, lacquer, or varnish. 2-3 coats should be sufficient. In this way, can you put tung oil over stain? There is a 4:1 mix of 100% Tung Oil and natural beeswax. It has poly, pure tung oil, and turpentine. This is crucial as it allows the finish to lock out water and … Our Products Product Line. An avid craftsman and musician, Deziel began writing on home improvement topics in 2010. Tung oil (real and pure) yields a beautiful finish both in sheen and water resistance. She's due to be born in less than a week. Click through to watch this video on easy2diy.com That's not true for varnishes. Do you have to sand between coats of tung oil? Tung oil finish needs to cure at least 36 hours before topcoating. 7,600 Posts . If you want to have a life time job do a film 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. It just wipes on, dries overnight and doesn’t require a sprayer. Application over previously finished surfaces. Polyurethane over Tung Oil 01-24-2011, 05:12 PM. How do I get a high gloss finish with tung oil? 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. Re: Polyurethane finishing over tung oil Film type finishes are absolute garbage on exterior items like decks, outdoor furniture and garage doors. 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). 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. 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). Tung oil takes up to 48 hours to dry. Apply a tung oil topcoat over an oil-based wood stain. Dilute the polyurethane, if needed. The biggest negative for me and why I didn’t use polyurethane is that it’s going to amber over time. Tung oil is a type of natural drying oil commonly used as a finish in woodworking projects. Once varnish hardens and cures, it's impenetrable. Tung oil is made from the pressed seeds of the Tung tree nut. This helps more oil soak into the wood to protect them. Apply the oil liberally to the surface. These "Tung Oil Finishes" may or may not contain some true tung oil, but most do not contain any true tung oil. make sure you blow off the piece with compressed air or use a tack rag to clean the open grain prior to finishing. Polyurethane, Danish oil, Tung oil or spray lacquer are the best tools for our projects. Tung oil takes up to 48 hours to dry. Pros/Cons of Applying Water Based Polyurethane Over Oil Based. Can you put polyurethane over tung oil? Tung oil does not "expire," but it can thicken somwhat over a long period of time. Or, you could use a tinted stain/dye for … Unless you are familiar with it, make sure you test it on a piece of scrap. Specifically I am wondering about polyurethane (Rustoleum Ultimate) over boiled linseed oil. The oil can't penetrate, and with nowhere to go, it simply sits on the surface and turns into a semi-hard gel. Tung oil makes the wood look granular and grainy by enhancing the natural grain of wood. Unlike polyurethane, tung oil must be rubbed on the surface, not applied with a … Click for price. Tung oil is the name coming from the Tung tree’s nuts. Additionally, can you apply beeswax over tung oil? For maximum protection, you'll need to add a coat of tung oil to your wood once a year. Application over previously finished surfaces. ... Over time, it will be necessary to re-oil the floors. paul. You can't use it and pure tung oil on the same piece of furniture. 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.) At first, what is Danish oil and Tung oil? It is honestly a "personal preference." Pros/Cons of Applying Water Based Polyurethane Over Oil Based. Finishers refer to them as film finishes because they create an impervious coating that won't permit oils to pass. … Add at least three coats, at one coat per day. Got it from Michael Dressner. These oils are drying oils, which darken and enrich the wood with a natural look as they dry. In this video, Aden goes over the basics of applying Tung Oil. Can Feed-N-Wax be applied over a tung oil finish, polyurethane finish, varnish, lacquer, wood finish? Similarly to linseed oil, it is difficult to find furniture that is made with raw or 100% pure tung oil. The oil has been cultivated and used in China as a wood finish for at least 2,500 years. It will leave a sticky mess which won't every really dry. BFD Guns Well-Known Member. 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. Unlike varnish (which sits on top of the wood), the goal with tung oil is to thoroughly saturate the wood cells. Most "100% Tung Oil" finishes need days to cure/dry for a single coat. 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.) 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. Chris Deziel is a contractor, builder and general fix-it pro who has been active in the construction trades for 40 years. There are no significant advantages or disadvantages of applying water-based polyurethane over oil-based. Well, because it is super easy to apply and there is no better finish for durability and touchups! 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. You can, but you won't like the results. 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. Tung oil is a fairly new addition to the North American woodworking scene, having been introduced in the early 1900s. Reducing the ratio of oil to resin creates a hard finish for indoor use. The tung oil will just sit on top of the varnish and leave a sticky deposit. 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.) 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. Penetrating tung oil finishes come in three varieties: pure tung oil, oil/varnish blends, and wiping varnish. Avoid adding oils that do not dry, for example, mineral oil. The oil hardens through a chemical reaction called cross-linking, or polymerization by intaking oxygen.
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