If you’re working with traditional lacquer, you probably already know that drying it properly is just as important as applying it. Lacquer needs a warm, humid, and dark environment to cure correctly—otherwise, it may crack or dry unevenly.
In this post, I’ll show you how to make a simple drying room using a shipping box—a perfect low-cost solution for home crafters.
🎥 Watch the full tutorial here:
Why You Need a Drying Room
Lacquer drying is a slow, sensitive process. It relies on:
- Humidity to prevent cracking,
- Stable temperature to avoid bubbling or warping,
- Complete darkness to preserve color and surface texture.
This is why traditional lacquer workshops use drying rooms—and you can simulate one at home with just a few household items!

How to Make a DIY Drying Room
Step 1: Find a Box
Use a black shipping box or any container that blocks out light. The darker the interior, the better.
Step 2: Add Moisture
Wet a few paper towels (or a damp towel), and lay them at the bottom of the box. This increases humidity, helping the lacquer dry smoothly and preventing surface cracks.
⚠️ Important: Do not use too many wet paper towels. Too much moisture can cause false drying—when the surface dries quickly but the inside remains wet.

Step 3: Place Your Lacquerware
Carefully place your lacquer piece inside the box. If it has a base, elevate it with four pens or small stands to avoid contact with the damp bottom.

Step 4: Seal and Wait
Close the lid, seal it shut, and keep the box in a stable location.
Let it sit undisturbed until the lacquer fully cures.
How to Know When It’s Dry
Use the Touch Test:
- The surface should feel smooth, not sticky.
- Press gently with a finger—no fingerprints should be left behind.
Drying time depends on:
- The type of lacquer
- Temperature
- Humidity
- Layer thickness
Be patient—traditional lacquer drying is slow but worth it!
The Golden Rules for Lacquer Drying
Here’s your quick reference for optimal conditions:
Condition | Ideal Range |
---|---|
Temperature | 25°C ± 3°C |
Humidity | 75% – 85% |
Light | Complete darkness |
These conditions mimic the traditional drying rooms used by lacquer artisans in Asia for centuries.
Final Tips
- Always keep your drying room sealed during curing.
- Don’t open it prematurely—you may ruin the finish.
- For multiple layers, repeat the drying process after each layer is applied.
✨ This DIY method works well for small lacquer projects and beginners looking to experiment with traditional materials at home.
Got more questions or want to share your own setup? Leave a comment or tag me in your projects!
📺 Don’t forget to watch the video for a visual guide!
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