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Wood furniture finishes, or simply wood finishes, is a process developed to protect wooden artifacts and furniture from environmental damage. Without the right finish, the wood may crack, dry, swell (exposure to moisture), and deteriorate. However, although the primary goal of each type of wood finish is to add a protective layer, it can also help improve the aesthetic appeal of the wood.

Be it an old or a new wooden piece, finishing is always required or recommended by the experts. That’s why adding a wood finish is one of the most critical processes. However, it usually adds to a large chunk of wood furniture cost.

In this guide, we will take you through different types of wood finishes, the factors involved in choosing a finish, different finishing processes, and all other relevant facts.

Wood Finishes

Image by DWilliams from Pixabay

A. Types of Wood Finishes

Usually, there are two primary types of wood finish, including penetrating and surface finish. Each type results in a unique appearance and protection, making it necessary to choose the right type of finish.

1. Penetrating Finishes

Penetrating wood finishes offer a more natural look as they enter deep into the surface of the wood. You may have to use a rag to add a protective layer of wood oils to ensure better sheen and surface penetration. You can apply them easily.

Tung Oil

Obtained from the nut or seed of the tung tree, Tung oil is one of the most common penetrating finishes. It is an environment-friendly wood finish and relatively safe when completely cured.

Appearance: Accentuates the natural appearance and adds a warm glow

Ideal for: Boat decks and floors

Color: Matte or light satin look with slight golden tint

Application Tools: Cloth or brush

tung oil

Linseed Oil

Linseed oil, which comes from flax plant seeds, is an easy to apply wood finish, with a brush or cloth. However, curing may take longer. It soaks into the pores, resulting in a shiny appearance.

Appearance: Enhances natural appearance, creates yellow warm glow, and darkens with age

Ideal for: Firearm stocks, cue shafts, surfboards, and cricket bats

Color: Matte

Application Tools: Brush or cloth

linseed oil

Danish Oil

It is a mixture or oil (usually boiled linseed oil or tung oil), varnish, and thinner. Danish oil offers better surface protection than plain oil wood finishes. It is easy to apply and moderately durable.

Appearance: Enhances natural appearance

Ideal for: Wooden utensils and handles

Color: Buffed to a matte finish or gloss

Application Tools: Cloth or brush

dutch oil

Cedar Oil

Popularly known as cedarwood oil, this wood finish has a characteristic woody odor. It can increase the lifespan of the furniture as it has a natural resistance to insects, disease, and rot resulting from exposure to moisture or water.

Appearance: Warm, hand-rubbed, and natural

Ideal for: Floor polishing and furniture

Color: Light silvery-grey when fully weathered

Application Tools: Brush

cedar oil

2. Surface Finishes

As the name suggests, surface finishes are applied on the top of the wood to create a protective layer. This type of wood finish makes an excellent choice for furniture and materials that are exposed to a lot of wear and tear.


Shellac wood finish looks very attractive on wooden objects made from walnut, fine veneer, and mahogany. However, it is not durable and dissolves in water and solvents like alcohol.

Appearance: A fine, mellow finish that accentuates the natural grain of the wood

Ideal for: Outdoor furniture and artifacts

Color: Super blonde to rich orange

Application Tools: Requires clog spray equipment as brushing can be difficult, but you can use or badger hairbrush

shellac wood


Lacquer is a combination of different shiny wood finishes. For example, you can find lacquer wood finish based on shellac, nitrocellulose, and urushiol, among others. Usually, the drying process involves solvent evaporation, resulting in a hard and durable finish.

Appearance: Dull, medium and high-gloss

Ideal for: Wooden furniture like cabinets, doors, and shelves

Color: Transparent and satin gloss

Application Tools: Sprayed on and natural bristle brush

lacquer wood finish


It is a clear and transparent wood finish that usually comprises drying oil, resin, and thinner or solvent. You can find a variety of varnish wood finishes based on lacquer, alkyd, polyurethane, and acrylic, shellac, and resins, among others.

Appearance: Glossy and high-glossy

Ideal for: Floors, cabinets, and furniture

Color: Little-to-no color or pigments. However, some of them can produce a yellowish or an orange tint.

Application Tools: Often requires spray equipment, you can also roll or spray it. However, brushing needs skills.

wood varnish finish


Usually, it is primarily carnauba. However, you can find wax finishes with almost any type of wax nowadays. Wax furniture finish is easy to apply and offers abrasion resistance. But it is not durable and requires frequent reapplication.

Appearance: Dull. Buffing is needed for sheen.

Ideal for: Flooring and furniture

Color: Matte to satin

Application Tools: Cloth or brush or even spray

wood wax finish


Polyurethane wood finish is durable and water-resistant, thus offering excellent protection. It can offer a warm and amber tone to the wood. However, it can be difficult to repair damage to it.

Appearance: Enhances natural appearance

Ideal for: Cabinets, doors, furniture, and floors

Color: Satin and moderate-to-high-gloss

Application Tools: Natural bristle brush

polyurethane wood finish


If you know how to dye wood, you probably also know that wood dyes are usually powders that you can mix with water or alcohol. The small dye particles penetrate deep into the wooden surface, so you don’t need to use a binder.

Appearance: Enhanced natural appearance

Ideal for: Suited for furniture made from dense and figured woods

Color: Deep and vibrant colors

Application Tools: Brush

dyed wood


Stains consist of a pigment, carrier, and binder. The carrier helps insert the pigment into the surface and binder makes it stick. As they bring out the grain pattern, stain wood furniture often, particularly made from oak and ash, looks very attractive.

Appearance: Enhances natural appearance, particularly grain pattern

Ideal for: Indoor and outdoor furniture

Color: Wide variety of colors, primarily blues and greens.

Application Tools: Brush or chemical staining

wood stain finish

French Polish

French polishing is a wood finishing process that usually involves applying shellac. You can use it to create an extraordinarily glossy finish with a rich depth that enhances the grain pattern. It is durable. However, it is also a labor-intensive process.

Appearance: Very high-gloss

Ideal for: Furniture, musical instruments, and decorative woodwork

Color: Deep and vibrant

Application Tools: Fabric dabber

french polish wood finish

Water-Based Finish

Water-based wood finishes dry quickly. However, you can’t clean up water-based wood finishes with water. Water plays a supporting role in the finishing process. This finish can provide adequate protection.

Appearance: Natural sheen

Ideal for: Decorative furniture and woodwork and hardwood floors

Color: Milky look

Application Tools: Synthetic brushes

water-based wood finish


You can easily apply wood paint finishes. You can find furniture paint finishes in a wider range of colors and finishing combinations. Finishing quality ranges from glossy to high-glossy.

Appearance: Shiny and glossy

Ideal for: Wooden paneling, walls, doors, and furniture

Color: A wide range of colors

Application Tools: Brush or roller or spraying

painting wood

B. Factors to Consider When Choosing a Wood Finish

Considering the sheer variety of wood finishes, it can be a daunting task to choose the right one. So, you will need to consider a few different factors when choosing a wood finish. Here’s a list of what you should take into account.

1. Project Type

The first factor you need to consider is the type of your project. The type of project will involve considering the type of wood and its intended look. For example, if you are looking for an extremely high-glossy surface, you may want to consider using a wood varnish finish.

wood cabinet [project

2. Exposure to Sunlight and Humidity

Environmental impact is also an important factor. While some finishes show environmental weaknesses, others offer better resistance. Varnishes, for example, offer excellent protection against ultraviolet light, heat, and even daily wear and tear. They are also good water-resistant wood finishes, making them suitable for outdoor furniture.

finished wood furniture in sunlight

3. Skill Level

You can apply wood finishes using a brush, a cloth or a spray equipment. You may also need to apply multiple layers and add a binder or stain as well in the process. In other words, if you are a novice, going with easy-to-apply wood protective finishes is a better idea.

wood finishing skill

4. Ease of Use

Again, using a wipe-on and wipe-off protective coating for wood is much easier than choosing a complicated process like French polish. For example, you can use Danish oil to add a protective layer to your wooden furniture with ease.

finishing wood with a rag

5. Color

Shellacs and lacquers can render a yellowish or yellowish-orange coloring, especially on dark woods like mahogany. The coloring can darken over time, offering a deep and rich look to your furniture. Most water-based wood finishes, however, keep the natural look of the wood intact. You can choose a finish depending on your desired color effect.

wood colors

6. Tools Required

Depending on the wood finishing method you choose, you will need a variety of tools, including thick and thin stripper, sandpaper, power sander, good quality rag cloth, natural bristle brush, and spraying equipment. Before choosing the method, make sure you have all the tools and you can use them.

wood staining required tools

7. Durability

A durable wood finish should not only offer protection from sunlight and heat, but also from physical damage like scratches chemical abrasions, and solvent damage. Different wood finishes offer different levels of durability. For example, wax offers excellent resistance against acids and alkali, but it is prone to damage from water, heat, and sunlight. Lacquer, on the other hand, offers overall good durability.

durable wood finish

8. Safety

Wood finishes often have a variety of organic solvents that may be harmful to your health and the environment. Some of them can also be flammable. Lacquer is one of the most toxic finishes. Oil-based wood finishes are free of solvents. However, after curing, none of the finishes are harmful.

safety while wood finishing

9. Sustainability

Solvent-based wood finishes also pose a threat to the environment. Varnishes with paint thinners may release toxic fumes. Oil-based wood finishes come from renewable resources and are the most sustainable option.

sustainable wood finish

10. Appearance

Varnishes and oils offer a natural-looking wood finish. Varnish, shellac, and lacquer are not easy to apply, but they do offer a deep and rich look. They will also deepen and darken over time. Varnishes are the best choice for high-gloss surfaces.

finshed wood chest front

11. Drying Time

Drying and curing period varies from finish to finish. Varnishes require a 24-hour drying time and a week at least for curing. Lacquer, on the other hand, dries pretty quickly, say in a couple of hours as the solvents evaporate.

wood finish drying time

C. Wood Finishing Process

When it comes to any type of wood work, finishing is the last process. It helps you offer the best look to your piece of furniture, hide surface defects, and protect it from environmental damage. You are most likely to apply a finish to fresh wood or an old one with an existing finish.

1. Remove Existing Finish

As you already know, finishes can get damaged over time, requiring you to restore them. When you are working with wood having existing finish, you need to first remove the finish carefully, clean the wood, and finish it again.


Sanding is probably the best way to remove wood finishes like paint, acrylic, varnish, lacquer, and shellac. The easiest way is to power sander. However, a power tool like a random orbit sander is more suited for large and flat surfaces.

To remove the existing finish from the cervices and smaller surfaces, you need to use a sandpaper, although it is somewhat labor-intensive. Sanding will remove not only the finish, but also the scratches or marks, making the surface smoother and cleaner.

You should use a sandpaper with a grit of about 120 or 150, and you can move your way down to finer grits like 220. Make sure to sand with the grain, not against it. Keep sanding until you see all the traces of finish removed. You can use a wet cloth or a rag to remove the dust.

sanding wood


Use chemicals for removing varnish, polyurethane, and paint from wooden furniture or artifacts. Commonly called chemical strippers, you can use them to remove the finish without damaging the wood.

Although these chemicals are a lot safer, they do have methylene chloride, which can be harmful to your eyes, skin, and lungs. So, you will need to take proper safety precautions while working with a chemical stripper. You also need to work in a well-ventilated area.

Apply the chemical to the wood surface using a brush. You may need to leave it on for some time. Use fine steel wool to remove the finish and then clean the wood surface with a clean wet cloth.

chemical wood finish removal


Solvents are suitable for removing shellac and lacquer as they are alcohol-based finishes. You can use denatured alcohol for removing shellac from wood, while lacquer thinner can help you remove lacquer-based finishes.

You should apply the solvent to the wooden surface with a rag or a cloth, after which you can use a plastic putty knife to scrape off the loosened finish. However, you will need to be very gentle to avoid damaging the wood.

Once you have removed the existing finish, you can take the steps involved in finishing a new piece of wood.

finish removing solvents

2. Adding a New Finish

Finishing wood involves three steps: sanding, staining, and finishing. Make sure you have completed working on the wooden object before you start the finishing process.


Sanding is the process of preparing the wood surface for staining and finishing. You should start with a 120-grit sandpaper, especially if the wooden surface has deep scratches and imperfections.

You can use sandpaper with finer grits like 220 after initial sanding. You can also use powered sander for large and flat surfaces like tabletops and floors. Sand with the grain, not against it.

Continue the process until you are satisfied with the result. You can use a paint thinner or high-intensity light to see if there are any blemishes left.

You must, however, remember that some blemishes can’t be removed or trying to sand them will probably worsen the surface. Once finished, you can wipe down the surface with a clean cloth to remove the dust. Tack cloth is the best.

sanding new finihs


The next step is staining. But first, you will need to test the stain on an inconspicuous area to see its color. It will also help you identify how long it will take for the stain to dry. Once you have done these tests, you can start the process.

You can use a brush or a rag to apply the stain. However, brush tends to produce better results. Make sure to apply the stain evenly on the entire surface. Don’t allow it to drip as excess stain will lead to blemishes and an uneven surface.

You can apply multiple coats of stain. But make sure to wait until the first coat has dried completely before brushing a new one. Wipe out excess coating using a cloth or a rag before it dries.

Remember, adding excessive stain will cause the color to change. The color should be even on the entire surface for aesthetic reasons.

staining wood


After sanding and staining wood, comes the finishing. Take the factors mentioned in section B to choose a suitable finish. You can use a cloth or a brush to apply the finish. You may also need to use spray equipment for finishes like varnishes.

When applying the finish, just like the stain, allow the previous coat to dry before applying a new one. Sand it a little to make the next layer stick better. You should use a 280-grit or even finer sandpaper.

Remove any dust using a cloth or vacuum cleaner. Repeat this process until you get the desired results (usually 2-3 times). Always apply the finish, like the stain, with the grain, not against it. Make sure each brush stroke applies the finish evenly.

Sanding is not required for the final coat of finish. Once it has dried, use a cloth or a rag to remove any blemishes or particles left after the finishing. You will also need to leave the wooden piece untouched and unused for curing, which can take a couple days to a week in most cases.

finishing wood

D. Difference Between Wood Stain and Wood Finish

People often use wood staining and wood finishing interchangeably. However, they are far from being the same. To be able to achieve the best wood finish, you need to understand the difference carefully.

What Is Wood Stain?

A wood stain usually mimics or enhances a wood color. It can bring out the natural wooden color and pattern, which without staining remains benign.

wood stain

What Is Wood Finish?

A wood finish is the final layer of coating that covers the stain. It offers a shiny look to the wood and protects it from damage.

wood finish


Wood Stain

Wood Finish


Change the color of the wood

Create a permanent wet look and protect the wood from environmental damage


A stain is thinner compared to a finish

A finish is much thicker than a stain

Time of Application 

After sanding

After staining

Drying Time

Depends, water-based stains can dry as quickly as 15 minutes and oil-based can take as long as 72 hours

Drying time can vary from a few hours to few days


Brings out the grain and color of wood

Makes the surface glossy and shiny with a wet look

E. How to Tell Which Type of Finish Is on Furniture

While you can apply any finish to fresh wood, you need to identify the existing finish for reviving the old ones. Knowing what the old finish is makes it easier and more effective to restore it.

You can use different solvents to identify what finish has been used on a piece of wood as they can dissolve even cured finishes. Make sure to perform the test on the inconspicuous parts of the furniture or items. You can either add a few drops of the solvent or chemical on the wood surface or use a swab dipped in them to perform the test.

Solvent/ Testing Method


Type of Finish


The swab becomes tacky


The swab becomes beady


Finish dissolves


Denatured Alcohol

Finish dissolves slowly


Finish dissolves quickly


Lacquer Thinner

Finish dissolves

Lacquer, Shellac and water-based finishes

No pronounced effect 

Urethane, Alkyd, or Phenolic varnish


Oil beads on the surface

Shellac, Lacquer, Varnish, or Polyurethane


Removes the coating

Water-based finish

Doesn’t remove the coating

Oil-based finish

Paint Thinner/ Naphtha / Turpentine

Finish dissolves


Mineral oil

Waxy yellowish-brown stain 


Simple scratch test

Scratch marks


F. Wood Finish Application Tips

Applying wood finish, although sounds simple, requires you to take a few precautions for personal safety. Whether you are going for intricate furniture finishes techniques like French polishing or a simple paint job, make sure to take the following precautions.

1. Get All Your Workplace Supplies

You are going to need a few essentials to get the best finish for furniture and also ensure your safety.

Rags or Cloth

You will need a rag or a cloth to wipe of the excess stain or finish as well as clean the wood after sanding. In some cases, you can also use them to apply the finish.


Spraying Equipment

Some finishes like varnishes may need a spray gun. However, if you are a rookie, it is better to stick to brushes and rags.

spraying equipment

Sandpaper or Power Sander

You need good-quality sandpapers with varying grit sizes, ranging from 120 to 220. If you are using a power sander, you will need sandpaper discs with grit sizes from 80 to 220. A power sander is much faster. However, it only works on large and flat surfaces.

(choosing sandpaper grit)

Thick and Thin Stripper

These can be used to remove old finishes. As the name suggests, thick stripper helps remove thick coats of finishes, while thin strippers help remove thinner coats of finish.

paint stripper

Fine Steel Wool

Fine steel wool along with paste wax can be used to get a beautiful soft finish.

steel wool


Make sure to use a high-quality brush as it will carry more stain or finish. So, you will be able to finish the application relatively quickly and won’t leave bristles in your finish.

(selecting brushes)

Stir Sticks

You can use stir sticks to mix stains and finishes with thinners and solvents.

paint stir sticks

Safety Glasses

Most finishes and stains have solvents that evaporate, releasing toxic fumes in the air. Safety glasses will protect your eyes.

safety glasses

Safety Mask

Like the glasses, safety mask will also protect you from toxic fumes.

safety mask

Drop Cloths or Newspapers

Keeping the wood to be stained or finished on drop cloths or newspapers will help you keep your work area clean.


Rubber Gloves

You shouldn’t handle stains and varnishes with bare hands as they can harm your skin.

rubber gloves

2. Use the Right Brush

You are most likely to use a brush to apply the stain or finish. A good-quality brush should have the following characteristics:

  • Bristles should be long and have split or flagged tips
  • They should be of varying length
  • The ferrule should be made of non-corrosive metal or plastic
  • Synthetic bristles are more suitable for water-based finishes
  • Natural bristles are more suitable for oil-based finishes

Keep your brush clean. If you are using it for water-based finishes, clean it with soap and water thoroughly. In case of oil-based finishes, use mineral spirits for cleaning.

wood finishing brushes

3. Safety Always Comes First

In any DYI project, safety is and should be your first priority. Always make sure to take the following safety measures when finishing wood:

  • Never work without your safety gear
  • Avoid wearing baggy or loose clothes as they are more likely to get in the way
  • Remove any dangling jewelry or bracelets and rings before starting your work
  • Work in a well-ventilated area. The fumes released by the solvents can make you feel suffocated.
  • Avoid distractions, especially when you are using power tools
  • Make sure to close cans of finishes and thinners immediately after use as they can be highly-inflammable
  • Label all your finishes and stains to ensure safety
  • Use flammable finishes and thinners in small quantities
  • Place oily rags, steel wool, and cloths in a metal container with water to avoid causing an accidental fire. Seal the container and dispose it according to local regulations.
  • Keep the floor free of clutter and debris.
  • Don’t allow children or adults without safety gear into your work area.

4. Things to Keep in Mind for Better Results

You should take additional steps to get better finishes. The following tips should help:

  • Make sure to apply the finish to all the areas (including the invisible ones) of the wood to prevent it from warping or swelling
  • Ensure that the stain is completely dry before apply the finish
  • Run the brush lightly at a 45-degree angle over the final finish as it will help remove any stroke marks or bubbles
brushing for better wood finishing result

Parting Words

Finishing is the last, but the most important step in any wood work project. If done right, it can make your wooden furniture last longer and enhance its aesthetic appeal by a mile. Hopefully, understanding everything from types of wood finishings to how to stain and finish wood will help you create a superb finish for your wooden furniture. If you still have doubts or want to share your experiences, feel free to do so in the comments.