Traditional finish with linseed oil and wax on walnut… by hand!

In this video I am finishing the body of my modern "T-style" walnut guitar.

Introduction

In this video I show you how I finish a walnut guitar using traditional methods with the tools I have at home. The goal is to create a warm, natural finish that highlights the beauty of the wood without overdoing it.

Wood Preparation: Sanding and Leveling

Initial Sanding

The first step in this finish is to sand the body of the guitar. I start with a fairly coarse grit (120), then move on to 150 and finally 180 for optimal smoothing. The idea here is to prepare the wood without going too fine a grit, because I want to keep a natural look and avoid a mirror finish.

Applying Light Moisture

Before continuing, I apply a slightly damp paper towel to the surface to lift the wood fibers. This will give a nice texture and improve the absorption of the oil that will come later.

Oil Application: A Natural Finish

Choice of Oil

For this finish, I use a linseed oil, which I mix with a little water to facilitate application. This is a traditional method used to enhance the color of the wood while keeping a natural look.

First Application

I start by applying a first generous coat of this mixture to the wood. It is important to cover the entire surface well, then let it dry. This allows the oil to penetrate deep into the walnut, which will intensify the color.

Drying Time and Repeat Layers

After the first coat, I let it dry for a few hours, then repeat for several coats. Each coat adds depth and richness to the finish. With each new coat, I reduce the amount of oil applied to avoid weighing down the surface.

Dyeing and Adjustments

Dye to Even Out Color

Sometimes the wood may not have a uniform color after the first coat of oil. In this case, I use a water-based stain to adjust the color, especially on darker or uneven areas. Application is done with a brush, and the excess is quickly wiped off.

Final Drying and Polishing

Once all the layers are applied and dry, I let the guitar rest overnight. The wood will now be well impregnated with oil and will have a warm and uniform color. For the final touch, I pass a dry cloth to remove the excess and lightly polish the surface.

Tips for Maintenance and Adjustments

Finish Maintenance

This oil finish is easy to maintain. Just be careful of moisture and don't leave fingerprints or water marks on the surface. If necessary, I can apply an additional coat of oil to maintain the natural look.

Preparation for Sale or Use

After applying the final coat, I let it dry for a few more hours. This ensures that the oil is well absorbed and the guitar is ready to be used or sold. The end result is a natural finish that highlights the beauty of the walnut without overly masking it.

Conclusion

Achieving a traditional finish on a walnut guitar is a meticulous process that requires patience and attention. Using simple methods and accessible products, you can achieve a beautiful result that highlights the wood while giving it lasting protection.

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