
Boost Screen Room Efficiency with the Grunig Auto Coater

In the fast-paced world of screen printing, consistency and efficiency are everything. Manually coating screens can be one of the most physically demanding—and inconsistent—steps in your workflow.
When you're ready to start automating your screen making process, an auto coater is a great place to start. It’s a foundational upgrade that instantly improves control, repeatability, and speed in your screen room. If your shop is growing and you're ready to take control of your coating process, it's time to go pro with an automatic solution.
WATCH VIDEO: How To Setup The Grunig G-Coat Auto Coater
Why Choose Auto Coating Over Manual Coating?
Manual coating requires a trained hand, good lighting, and a steady arm to achieve consistent stencil thickness. Even then, variation is inevitable from screen to screen. This can lead to unpredictable exposure times and inconsistent print results. An automatic coater like the Grunig G-Coat 406 eliminates these issues.
- Perfect reproducibility of stencil thickness: Each screen is coated to the exact same specifications, eliminating one of the biggest variables in the screen printing process. This leads to better exposure accuracy and consistent ink deposit on every print job.
- Reduced operator fatigue and training requirements: Manual coating can be tiring and requires a skilled operator to maintain quality. With the G-Coat 406, the machine does the work for you, allowing your team to stay fresh and focus on other areas of production. Less training is needed, and more consistency is achieved.
- Consistent EOM (emulsion over mesh) for repeatable print quality: Proper EOM is critical to stencil durability and print definition. The G-Coat 406 provides precise control over coating thickness, so your EOM remains within ideal ranges from screen to screen, reducing stencil breakdown and improving print clarity.
- Faster turnaround for screen prep: With the ability to coat screens quickly and automatically, you can prepare more screens in less time. This speeds up your entire production cycle and helps reduce bottlenecks in your workflow.
- Improved exposure accuracy across every screen: Consistent coating thickness ensures predictable exposure times. This not only makes your exposure workflow more efficient, but also reduces errors and costly re-burns due to under- or overexposed screens.
Features of the Grunig G-Coat 406
Swiss-engineered for performance and built for reliability, the Grunig G-Coat 406 is designed for shops that want pro-level results in a compact footprint. Here are just a few of the standout features:
- Plug & Coat: No professional installation required
- Simultaneous two-sided coating or single-side coating capability
- Adjustable coating speed for dialing in your desired EOM
- Up to 10 coats per side for precise control
- Fast screen loading/unloading with no spring-loaded force needed
- Tool-free trough changes for quick setup adjustments
- User-friendly control panel with intuitive settings
- Compact footprint (42.3"W x 80.3"H x 17"D on stand)
- One-person operation, portable with two people
- Includes stand and one set of precision troughs (choose 15" or 18")
- Compatible with manual or auto press screens up to 27.5" x 39.4" OD
With clear labeling, straightforward dry-run setup, and minimal maintenance, the G-Coat 406 helps eliminate variables in your screen room and keeps your operation running smoothly.
Financing Options Available for Screen Room Auto Equipment
We know that investing in equipment can be a big step, which is why we’ve partnered with Geneva Capital to offer flexible financing options:
- Terms from 12 to 60 months
- Competitive rates with no hidden fees
- No impact to your credit score to check your options
- Finance any amount—no upper limit
Let our team help you select the right configuration and assist with shipping and freight estimates. Example: Get started with the G-Coat 406 Auto Coater for as low as $326/month.*
*All financing is subject to credit and equipment approval. Monthly payments are based on 60-month FMV lease plus documentation fee. Terms may vary.
Find the Right Auto Equipment for Your Workflow
The Grunig G-Coat 406 is more than just an auto coater—it's a game-changer for screen printers who are ready to elevate their workflow. With unmatched consistency, user-friendly controls, and reliable Swiss engineering, this compact machine takes the guesswork out of screen prep and helps you deliver professional-quality prints, every time.
Whether you're looking to improve turnaround time, reduce operator fatigue, or simply increase the quality of your screens, the G-Coat 406 delivers. And with affordable financing options available, upgrading your screen room has never been easier.
Take the next step toward greater efficiency and consistency. Contact your distributor or the Chromaline team today to learn more about the Grunig G-Coat 406 Auto Coater and if it is right for your shop.