How To Lacquer Wood Doors (Step-By-Step Guide)

how to lacquer wood doors

Putting on a clear coat of lacquer on your wooden doors means adding a layer of nice glossy finish that isn’t only durable but also attractive.

In fact, lacquering the wood is a way by which you can enhance the natural grains and beauty of the doors you have in your home without worrying about primer, stains, paints, and other stuff.

Knowing how to lacquer your wood piece properly is however the key to success.

It’s like fine art, which will need some patience, skills, and experience.

You apply it too light and it will not offer the finish you desire to have.

And if you go one step ahead to apply it heavily, it can create a gummy tacky layer that takes forever to dry and also looks uneven.

For the sake of upkeeping the beauty of your interior and exterior wood doors, here is a step-by-step detailed guide you can follow when you plan to lacquer your wood doors.

How to Spray Lacquer Wood Door?

For applying lacquer, you can either use a brush or sprayer machine.

While application with a brush is easier for DIYers who are working on smaller jobs, using a sprayer is what I recommend if you need to lacquer large-size doors or other larger wood projects.

Spraying lacquer is also a recommended option because lacquers will dry to touch very fast (usually within a minute).

And keeping a wet edge when brushing lacquer on doors can be a challenge.

Below are the steps you will need to follow when spraying the lacquer on wood.

Step 1 – Gather tools and materials

For lacquering wood, you will need the following materials:

  • Lacquer
  • Respirator 
  • Gloves
  • Tack-cloth
  • Steel wool
  • Sandpaper
  • Spray gun
  • Paintbrush
  • Paste wax
  • Lacquer thinner
  • Water-based sealer

After you are ready with all these things, start by wearing your respirator and gloves.

Step 2 – Prepare Your Wood for Lacquer

Prepare the wood surface generally means, inspecting and filling the holes, and cracks in wood with lacquer-based or water-based filler.

You can seal the gaps using a putty knife and then stuff the filler into the holes using a tip of a screwdriver.

Make sure that you fill the cracks evenly and do not overfill the surface.

Next, you will need to sand the wood surface gently with a #120 grit sandpaper.

Ensure that you sand over the filled areas properly to even the surface.

After sanding, clean the sanded dust using a tack cloth or a vacuum.  

TIP: If the door is too old and there is dirt or grime accumulated, you may need to sand the complete surface and clean it with a dampened cloth in warm water.

Step 3 – Spray the Lacquer Using HVLP Sprayer

Once you have prepared the surface well, it’s time to apply the lacquer using an HVLP (high volume, low pressure) sprayer.

Here is how you can do it…

  1. Make a sealant mix with 50/50 parts of lacquer and the lacquer thinner
  2. Using a brush apply a coat of sealant and wait for about 30 minutes to dry
  3. Once dry, sand lightly with a piece of 0000-grade steel wool ball
  4. Fill your sprayer gun with a lacquer and lacquer thinner in 70/30 parts
  5. Adjust the air pressure regulator of the sprayer gun to 30-PSI and apply an even coat of lacquer carefully

When spraying, make sure that you work along the surface of the wood.

Do not spray the surface randomly or in circular motions as it will not form a good even layer.

Also, keep in mind that you should hold your sprayer gun at least 6​ to 8 inches away from the wood surface.

This will help you get a nice coat of lacquer while preventing oversprays.

Step 4 – Allow the Surface to Dry

Once you have applied the first lacquer coat, allow 2-3 hours of time for drying the surface.

After giving this much time check the surface to make sure that it is not tacky to touch.

At this time, you can check the surface for any rough edges or unevenness.

If required, lightly sand the surface with sandpaper and clean the residue with a tack cloth.

Make sure that you use very fine grit sandpaper that does not damage the lacquer coat.

Step 5 – Apply Multiple Lacquer Coats

Now it’s time to add another layer of lacquer to your wood piece.

Depending on the condition of your door, and the shiny smooth finish you desire to get, you can apply a second, third, or even fourth coat of lacquer.

For spraying and applying the additional coats, simply repeat the steps you followed above.

Keep in mind, additional coats of lacquer will also add some depth and darkness to your wood door.

So, if you want to get a lighter color, avoid applying too many coats.

Step 6 – Allow Enough Curing Time and Finish

Once you have achieved the desired finish, allow the freshly lacquered wood for around 2 days to get cured completely. 

After 48 hours, wipe the surface gently with steel wool to remove any dust.

Then with wet sandpaper, sand the surface lightly and polish it with paste wax.

Tips and Warnings for Lacquering Wood:

Spraying lacquer and lacquer thinner can be dangerous as it can cause toxic fumes in the air.

So, always work in a well-ventilated area and wear proper protective gear.

For spraying, either use pre-thinned lacquers or mix the standard lacquer in a thinner solvent recommended by the manufacturer of the specific lacquer product you’re using.

Thinning to the right consistency is important if you want to spray lacquers in an airless sprayer.

Also, make sure that you allow enough time to get the surface dry between every lacquer coat.

how to spray lacquer interior wood door

How to Lacquer Wood Using a Brush? 

Applying lacquer to the wood surfaces (like doors, tabletop, worktop, etc) can also be done using a brush if you do not want to use a sprayer.

In fact, you should only use a brush, if the surface is small and uneven.

  1. Use a pre-thinned brushable lacquer or prepare a sealant by mixing lacquer with a lacquer thinner (50:50 parts)
  2. With a brush apply the sealant evenly on the surface quickly using long strokes
  3. Make sure you make one stroke at a time and avoid back-and-forth movements
  4. Allow the wood to dry for about 30 minutes and then sand lightly with a fine grit sandpaper
  5. Wipe off the sanded dust with a cloth and apply second lacquer coat on the wood

Can You Use a Paint Roller to Apply Lacquer?

Yes, lacquer can also be applied to wood doors using a roller.

In fact, it’s the right way, if you do not have a sprayer available and need to lacquer a large area.

The thing you need to keep in mind is to use a high-quality sponge roller.

Dip the roller cover in the lacquer and softly roll on the wood surface to apply a thin even film.

Do not forget to lightly sand between the coats if you are applying more than one lacquer coat to your wood surface.

What are the Preferred Weather Conditions for Lacquering Wood? 

When lacquering wood projects, it’s important that you consider your local weather conditions.

Plan a day when the temperature and humidity are favorable for lacquering and drying.

For getting the best finishing, lacquer your wood items when the temperature is below 65 degrees and humidity is less than 65%.

Higher humidity can slow down the drying time and turn the lacquer tacky.

While higher temperatures can cause the lacquer to evaporate fast – even when you are still spraying or applying with a brush.

Also, make sure:

  • You don’t apply the lacquer in a dusty area
  • Avoid direct sunlight over the surface you are lacquering
  • Avoid areas where there are insects or bugs as they like to stick to wet lacquer and can affect the finishing

To get a pleasant-looking finish, it’s good to postpone your project until you find a day with optimum conditions.

Or if it’s really urgent, you can remove your door to work in a room where you can regulate the temperature and humidity.

Final Thoughts

Spraying lacquer on wood doors (inside or outside) isn’t very easy.

It needs a level of expertise to properly lacquer the wood surfaces no matter it’s teak, oak, mahogany, or something else.

The truth is if you are not careful, not only you will create a mess but can damage your wood items forever.

If you really think you have the skills and patience to do it correctly, follow the above guidelines and steps carefully.

Or else hire a professional to do the job and stay worry-free.

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