Can You Apply Danish Oil on Walnut Wood?

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Using the correct oil will keep your walnut wood furniture bright and shining. But is it recommended to use Danish oil on walnut wood?

If you want the finest finish outcomes for your furniture, it’s imperative to know which oil finishes are suitable or not. In this guide, our woodworkers will show if Danish oil works well with walnut.

Is it Okay to Use Danish Oil On This Wood Type?

Yes, it is okay to use Danish oil for walnut wood. In fact, Danish oil works well to complete nearly any type of woodworking project. It is simple to use, and woodworkers adore using it as a primer and finish.

Danish Oil is a combination of pure, premium Tung oil, and other natural oils that nourish, beautify, and safeguard both soft and hardwoods. It is a penetrating oil that enhances the wood’s inherent grain and gives it a satin, shiny sheen.

In addition to providing a protective coat that shields walnut furniture and woodwork from weather elements, Danish oil also improves the beauty of walnut wood.

With an open grain structure, walnut has substantial wood pores that can be prepared to withstand several environmental factors, including water, with only minor finishing.

applying danish oil on walnut wood

Danish oil enhances the beauty of walnut wood by bringing out the grain pattern and adding an extra layer of defense against things like humidity and insect infestations.

Benefits of Finishing Walnut with Danish Oil

If applied with Danish oil coating, walnut wood will be shielded from excessive outdoor moisture levels, temperature changes, pest and bug attacks, UV rays, and many other environmental factors.

It is excellent for finishing walnut butcher blocks, cutting boards, and even children’s toys because it cures a non-toxic, food-safe finish. Danish oil is a very adaptable, water-resistant oil.

Furthermore, Danish oil is a kind of wood finish made from a mixture of varnish, thinner, and finishing oil, and it has many advantages, such as:


danish oil coating

Danish oil is a great waterproof coating for woodwork because of its exceptional resistance to water and other liquids. The particles found in Danish oil react with oxygen to form a highly polymerized, solid structure, which accounts for its extraordinary waterproofing properties.

Its construction is highly robust and impenetrable, making it the perfect choice for preventing water damage to your woodwork.

Dries Faster

Compared to many other finishing oils on the market, Danish oil can dry more quickly. Before applying a second layer of Danish oil, it needs to dry for an average of 6 to 8 hours. Additionally, it is advised to let the wood cure for at least 24 hours before handling or using it.

danish oil on walnut wood


Once cured, Danish oil is non-toxic. There are no hazardous chemicals and compounds accessible in Danish oil. Once it has fully dried, you can apply it to any piece of furniture, including children’s toys, without any issues.

Food Safe

Once the Danish oil has completed its full curing process, it becomes food-safe. However, to avoid any potential contamination between the oil and food items, it is necessary to allow for an extended curing period that may span several days or even weeks.

But after it has fully dried, you can easily use Danish oil on any wooden appliance, piece of furniture, or kitchen item, such as a cutting board, a cabinet, a salad bowl, or a set of banisters.

Improves the Sheen

Danish oil enhances the appearance of the furniture while also providing good protection. It can absorb moisture from the wood and protect it from outward flaws as well as inside damage. The additional gloss and sheen enhance the elegance and appearance of the furniture.

Provide Chemical Resistance

Aside from adding extra gloss, Danish oil gives the wood outstanding chemical and heat resistance. It is the best option for quickly refinishing wood too.

For objects like decorative tables, clocks, jewelry boxes, and picture frames that don’t require a robust, hard coating, you can go for a soft sheen or rustic finish, or you can even choose a low sheen and deeper hue.

refinishing walnut wood using danish oil

Easy to Apply

Danish oil can easily penetrate all types of wood, so you can use it on any sort of wood. For best results, apply at least three coats through the grain direction using a brush or cloth and allow the surface to dry completely for at least eight hours.

One of the key factors contributing to Danish oil’s popularity as a wood-finishing oil is how easy it is to use and reapply.

Elastic ability

Danish oil is the greatest finish for any type of wood because of its exceptional stretching properties. Once applied to wood, it may expand and contract with the wood without harming the finish because of its fantastic elastic qualities.

Even after being fully cured and transformed into a sturdy polymerized structure, Danish oil retains its flexibility.

Offers Scratch Resistance

Due to the Danish oil coating’s expansion, there won’t be any scratches, cracks, or dull areas left on the wood.

outdoor furniture using danish oil

Can Use as a Primer

Danish oil is a strong drying oil that you can apply to raw wood as a primer or sealant before using finishers.

The effectiveness of the wood paint will increase and the wooden surface will receive additional protection from cracking and scratches if you use it as a primer.

Danish oil gives superior adhesion chemically and physically by perfectly bonding, so you can paint over it with any oil-based paint when the layer has fully dried.

putting danish oil on walnut wood

How to Finish Walnut Using Danish Oil

Applying Danish oil on wood is simple. But to create a high-quality protective coating over it, you’ll need to apply a lot of Danish oil due to the great number of big wood pores.

Since the drying time of Danish oil on walnut wood can be longer, using a lint-free tack cloth or bristle brush to apply Danish oil is the simplest and most effective method.

Required Tools & Materials

Step #1: Preparations

Bring the walnut wood furnishings or woodwork to a room with good ventilation. The efficient and quick drying of Danish oil coatings is facilitated by sufficient air circulation.

Additionally, to prevent any breathing problems, adequate airflow circulation is required to eliminate the gasses and toxins that Danish oil releases.

Then, use a clean rag to wipe down the entire walnut wood finish to remove any dust, debris, or grease.

preparing materials on applying danish oil

You can use Trisodium phosphate to get rid of tough dirt from the walnut surface after you’ve cleared away every bit of dust and dirt from the area, then let the finish thoroughly dry before sanding. The surface needs to be well-cleaned and polished before applying Danish oil.

Step #2: Sand the Walnut Wood Surface

Before adding Danish oil, use a sandpaper of grit 220 to smooth out any surface irregularities and blemishes on the walnut wood. For best results, use an orbital sander to lightly scuff up the walnut wood surface while sanding in the wood grain direction to prevent damage and marks.

Also, to achieve an even finer polish after sanding, lightly rub the wood with the scrubbing pad. When you’re through sanding, either utilize a good dust collection pipe system or wipe away the sawdust using rags.

Sanding walnut wood facilitates the surface absorption of Danish oil and creates a nice, uniform appearance. When using scrubbing pads, use caution because the fibers might occasionally see the wood’s grain.

Step #3: Spread the First Layer of Danish Oil

You can now apply the first layer of Danish oil once the surface has been sanded and is clean, smooth, and dry.

To make the surface look even and attractive, use a clean, non-linting tack cloth that has been well soaked in Danish oil, and wipe off the surface with the cloth following the grain of the walnut wood for 5 to 10 minutes.

sanding walnut wood surface

Applying a thin layer of Danish oil can help the wood absorb the oil more quickly, dry more quickly, and avoid developing a sticky surface.

Tip: We recommend applying Danish oil on some scrap walnut wood before moving on to the furniture. By doing this, you may learn how Danish oil will respond to walnut wood and how to apply it correctly.

Step #4: Dry and Sand the Surface

After putting the first layer of Danish oil on the walnut surface, give the oil 24 hours to absorb and solidify. Although it might be excessive, walnut wood soaks up Danish oil more than other types of wood. A 24-hour drying period is optimal because drying times can differ based on humidity levels.

To enhance the adhesive qualities of Danish oil between coats, using 400 grit or finer sandpaper, sand the entire walnut wood surface softly once the surface has dried completely.

Use scrubbing pads to scuff up the surface to create a smooth and beautiful finish, or lightly sand between applications to help keep layers from separating. After finishing the gentle sanding, use a clean cotton cloth to thoroughly wipe the surface.

drying and sanding walnut wood surface

Step #5: Apply More Coats As Needed t Here

Apply the second layer of Danish oil next using the same technique as the first application, following the grain of the walnut wood. For a good, perfect finish, wait a few minutes after the second layer has been applied before cleaning up the excess.

Similarly, you must cover wood with Danish oil in three to five coats, lightly sanding in between each application to ensure a uniform, lovely, and protective surface.

Tip: Danish oil works best when applied to corners with a bristle brush. To prevent drips that will ruin the finish’s final appearance, be careful not to check any locations during application and wipe away extra oil between coats.

Since walnut wood absorbs so much oil, it typically takes a long period to dry, thus patience is required to achieve excellent results.

Step #6: Dry and Cure the Wood Surface

Allow the last layer of Danish oil to dry for 1 to 2 days before allowing it to cure for 5 days to 1 week.

Put some glossy polyurethane over the Danish oil finish to improve the color of the wood and offer good water protection as it will make the Danish oil finish appear glossier.

drying and curing walnut wood surface

How Many Coats of Danish Oil You’ll Need On Walnut?

Applying 3 or more coats of Danish oil on walnut wood will give it a lovely, even sheen and a solid protective layer. To help the walnut wood grain dry quickly and effectively, apply thin layers of Danish oil along the grain.

Just remember to integrate each layer thoroughly by lightly sanding in between each application and letting each coat dry completely before applying another coat. This way, you can achieve good adhesion while preventing Danish oil from going bad quickly.

Recommended Oil/s to Use On Walnut Wood

Danish oil, Tung oil, and teak oil all perform well on walnut wood, adding a distinctive shine and assisting in preventing the wood from deteriorating and suffering from other water-related issues. 

Additionally, to promote flow and penetration into the wood, teak oil is frequently mixed with tung oil, linseed oil, mineral oil, and a petroleum-based solvent [1]. These oils best enhance your wood’s color, provide exceptional protection, and are environmentally friendly.

Top Danish Oil Products to Use On Your Walnut Wood

Some of the best Danish oils for use on walnut wood include Watco Danish Oil Finish Natural Finish, Watco Black Danish Oil, Tried and True Danish Oil, Furniture Clinic Cutting Board Danish Oil, and Liberon Superior Danish Oil.

danish oil finish

Can You Darken Walnut Wood With Danish Oil?

Yes, Danish oil can be used to darken walnut wood while maintaining the rich appearance of the wood grain. Practically, all oil treatments have the potential to discolor walnut wood once applied.

Apply a water-based finish evenly to the wood to maintain the natural color after finishing the walnut.

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Danish oil enhances walnut’s wood grain and creates a beautiful finish as it shields the wood from the environment and water damage.

Now that you know the correct procedures for applying Danish oil on walnut wood, you can now keep your furniture good as new without spending a lot.

Robert Johnson is a woodworker who takes joy in sharing his passion for creating to the rest of the world. His brainchild, Sawinery, allowed him to do so as well as connect with other craftsmen. He has since built an enviable workshop for himself and an equally impressive online accomplishment: an extensive resource site serving old timers and novices alike.
Robert Johnson
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