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24hr production*When it comes to transforming your windows with custom graphics, choosing the right material is just as important as your design. Whether you’re looking for a long-term solution, a short-term promotion, or a way to maintain visibility from inside, there’s a window graphic option to suit your needs.
Our printed Window Signage can create a stunning effect when applied across large sections of window panels. In many cases the window panels will have aluminium mullions between them - and these mullions can ruin the effect of the graphic unless they are taken into consideration when setting up the artwork.
In this blog, we’ll walk you through the different types of window vinyl we offer, how they’re applied, and when each one is the best fit, as well as how these mullions can affect your finished product.
What are Mullions?
Mullions are the metal bars that separate window panes. They’re commonly 40mm to 50mm wide and if not accounted for, they can seriously impact how your artwork flows.
Why do Mullions Matter in Window Graphics?
When applying large graphics across multiple window panes, mullions can disrupt the visual flow of the design. Ignoring mullions may mean your logo gets cut in an awkward spot, or text could be unreadable.
How do we supply Window Graphics for window panels that have Mullions?
When your windows have mullions (the bars between the glass panels), your Window Graphics are printed and cut to fit each individual panel. This allows the installer to apply one graphic to one window at a time.
Supplying one large graphic to cover all the panels might sound simpler, however as the installer would have to cut around the mullions during installation, making the job harder, slower, more expensive, and more likely to look untidy.
Can’t we just set up the artwork by splitting the image into the number of window panels?
We wish it were that easy! If you divide the image across the number of window panels, the design won’t line up properly once installed. The gaps the mullions create will throw off the flow of the image, making it look disjointed or misaligned.
Instead, we want to account for the mullions and remove their space from the design so the image hlines up smoothly across all panels.
The result? A seamless graphic.
Here’s an example of how the window graphics would look with the mullions accounted for, versus it simply being split into the number of window panels:
For the second example, when the mullion spacings aren’t removed from the artwork, you can see that the image does not flow correctly across the windows.
How should the artwork be correctly set up?
To get the best-looking result:
The artwork needs to be set up so that the image that would cover the mullion is cut out completely - this will ensure it’s printed correctly and avoids any costs incurred from our team correcting your artwork
Reach out to our team if you need any assistance. We just need the measurements of all windows and the dimensions of the mullions. A photo supplied alongiside these measurements is even better!
Choosing the Right Window Graphic Material
All of our window graphics are printed in vibrant, high-resolution colour using advanced HP Latex large format printers. The key difference between each option is the type of vinyl used and whether it’s applied to the inside or outside of the window.
Premium 5 Year Vinyl - Application to the Inside of Window (Preferred method)
Why choose it? For long-lasting, high-quality graphics protected from the elements—as long as your window isn’t tinted and there’s no obstructions inside.
- Material: Clear polymeric vinyl with white polymeric vinyl backing
- Print: In reverse, viewed through the glass
- Adhesive: Permanent
- Application: Inside of the window
- Pros: Protected from weather/vandalism, gloss look, long-lasting
Short Term 2 Year Vinyl - Application to the Outside of Window
Why choose it? Budget-friendly option for short-term promotions or events
- Material: White gloss monomeric vinyl
- Print: On the front
- Adhesive: Removable
- Application: Outside of the window
- Pros: Low cost, high-quality print
Premium 5 Year Vinyl - Application to the Outside of Window
Why choose it? Great for tinted windows or where inside application isn’t possible, and extra UV protection with a Gloss or Matte Lamination
One Way Window Vision - Outside Only
Why choose it? You still want to see out while people view your graphic from the outside—ideal for shop fronts, offices, or vehicles.
- Material: White polymeric one way vision (Perforated vinyl - 60% print coverage, 40% holes)
- Lamination (optional): Optically clear for added protection and visibility when wet - always recommended for vehicles.
- Adhesive: Permanent
- Application: Outside of the window
- Pros: Keeps visibility from inside, ideal for high-traffic areas
Still unsure which material is right for you? Please contact our Customer Happiness Team at .(JavaScript must be enabled to view this email address) or you can get an instant response through Live Chat on our website.
For more information on the products please refer to the web pages:
