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Can you put tung oil over polyurethane?

4 min read

Asked by: Lisa Bryant

Yes! You can seal tung oil with polyurethane. Tung oil is a penetrative drying oildrying oilA drying oil is an oil that hardens to a tough, solid film after a period of exposure to air, at room temperature. The oil hardens through a chemical reaction in which the components crosslink (and hence, polymerize) by the action of oxygen (not through the evaporation of water or other solvents).

Can you put wood oil over polyurethane?

In short; you CAN apply a lacquer or a polyurethane over a Danish oil. Just as you can over any Drying Oil. The key to success is to make sure the oil has fully dried first. This should make sense, because once dried, the oil has cured to a hard solid film surface, and stuff will now stick to it.

Can you put tung oil over Polycrylic?

re: Polycrylic over Tung Oil
DON’T DO IT! I’m not sure I understand your question- if you’re asking if it’s alright to put polycrylic on top of a pre-existing tung oil finish, the answer is no. Tung oil is a lipid-based finish, the polycrylic is water-based. You’ll be setting yourself up for a disaster.

Can you use tung oil on finished wood?

Additionally, tung oil works on numerous surfaces besides finished, painted and bare wood, providing a versatile top coat for a plethora of DIY projects.

Can Danish oil be applied over polyurethane?

Danish oil doesn’t require sealing, but to give it extra hardness and durability, you can use any oil-based varnish, either resin or polyurethane, to seal it.

Can I oil over polyurethane?

However, linseed oil can be used as a top coat with polyurethane in a process known as a “French Polish” where it functions as a padding lacquer to apply a new finish over an old one. Linseed oil is pressed from flax seeds. Check that the polyurethane finish has not been heated and is not tacky to the touch.

Is tung oil a good sealer?

Tung oil is waterproof and helps to protect furniture and other woodworks from water droplets and moisture. It works as a water-resistant coating on top of the wooden surface and prevents water molecules and moisture from going inside of the wood.

Is Minwax tung oil really tung oil?

These “Tung Oil Finishes” may or may not contain some true tung oil, but most do not contain any true tung oil. Their only claim to the use of the word “tung” is that they claim to give the appearance of finish that results from true tung oil.

How long does tung oil finish last?

How long does Tung oil last? Pure Tung doesn’t go bad but polymerized Tung oil has a specific shelf life. So regardless of the version of Tung oil, you’re using, you will need to schedule regular reapplication of Tung oil –say once every six months.

Does tung oil need a top coat?

Tung oil is one of the most water resistant of cuing oils and has a centuries-long history of use as a final finish. Still, it’s no match for modern varnish in terms of durability. For any surface that’s going to see a fair amount of use, a tougher top coat is highly recommended.

What is the difference between tung oil and Danish oil?

Both oils are very similar, as you’ll see in the chart below. The main difference is that Tung Oil dries to a matt finish, whereas Danish Oil dries to a satin / semi-gloss finish. Being a 100% natural oil means Tung Oil has some key differences when compared to Danish Oil.

What does tung oil do for wood?

What is tung oil? Originating from China and South America, tung oil—an extract from tung-tree nuts—is a natural drying oil that coats your fine wood furnishings with a transparent, wet finish. It enhances the color of your wood, offers excellent protection and is eco-friendly.

What finish can be applied over tung oil?

Wipe-on poly or spar varnish will work on top of tung oil. This should protect the top from water damage, but it will show wear, so you will need to reapply every year or so. Okay if it is in your house, but not in a client’s. The best way would be an epoxy finish without the tung oil.

How do I get a high gloss finish with tung oil?

I rub thoroughly between coats with 0000 steel wool when looking for high gloss. I have done up to 8 coats on a piece. The last couple of coats may be thinned with mineral spirits. You could also wax polish on top of the tung oil to achieve the sheen you want.

Will tung oil prevent cracking?

The oil has properties that allow it to penetrate deep into the wood to offer penetration protection not found in other products. Using the oil will help to prevent moisture from penetrating the wood so you do not experience the splitting and cracking that is so common and can cause damage.