Choosing Window Film

Ceramic Window Films

When you choose ceramic window tint, you're not just darkening your windows, you're making a genuine upgrade to your car. Ceramic film rejects up to 99% UV rays and 88% of Infared heat, keeping your interior cooler, protecting your dash and trim from fading, and shielding everyone inside from sun damage. Unlike cheap dyed films that bubble, fade, and turn purple within a few years, ceramic stays crystal clear and performs exactly the same on day one as it does a decade later.

For an enthusiast build or a showstopper, ceramic isn't optional, it's the standard. There's a depth and clarity to ceramic film that cheaper alternatives simply can't replicate, and it's the kind of detail that gets noticed up close. At Shady Business, we only recommend what we'd put on our own cars, and ceramic is always the answer. Do it once, do it right.

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Standard Window Films

At Shady Business we use OZ Window Films CS Xtreme colour stable film for our standard tint option, and it's anything but ordinary. Fourth-generation colour stable technology means it will never fade, purple, or lose its look over time, backed by a lifetime warranty. It blocks 99% of UV rays, protects your interior, and because it's completely non-metalised, Whether you're after a subtle 70% or a deep 5%, there's a shade to suit every car and every style.

Where CS Xtreme really stands out is in the finish and the fit. Its non-reflective film gives a clean, factory look that sits beautifully on any build. It's the smart choice for drivers who want quality protection and a great result, without stepping all the way up to ceramic.

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What Percentage do I choose?

- Clear 70% -
70% Ceramic film (often referred to as clear film) is an incredibly translucent film, often used on windscreens, sunroof's and rear privacy glass. This film keeps heat out, whilst being virtually undetectable.


- Darkest Legal - 42% and 33% -
In Victoria, the legal limit for window tint on a passenger vehicle is 35% on the front windows and 20% on the rear, but here's what most people don't realise: that percentage is measured as the total light transmission through both the glass and the film combined. Your factory glass already blocks a portion of light before we even touch it, which means the film percentage alone doesn't tell the whole story. To make sure every car we tint passes a roadworthy inspection without any grey areas, we install 42% film on the front and 33% on the rear, accounting for what the glass itself takes out, so the final result lands safely within the legal limit every time. Cars with Privacy glass rear windows are 'case by case' on tint percentages, as sometimes they are already as dark, if not DARKER than legal. Commercial Vehicles, such as ute's and vans, are allowed any film percentage after the rearmost passanger, meaning 5% or darker is still legal.

- 18% and 5% -
For those who want their car to mean business, 18% is the sweet spot. Dark enough to turn heads, private enough that nobody's peering into your cabin, but still clear enough for great visibility at night and easy enough for law enforcement to see through when they need to. It's no surprise it's our most popular choice for daily drivers and enthusiast builds alike. It gives that clean, blacked-out look without sacrificing anything behind the wheel.
Then there's 5%, the limo tint. This is pure show car territory. Murdered out, aggressive, and impossible to ignore in a car park or on a show floor. If your build is built to stop traffic, 5% is the finishing touch that pulls the whole look together.

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Frequently Asked Questions

What is Privacy Glass, and can you tint over it?

Privacy glass is the factory-fitted dark glass you find on the rear windows of many modern cars straight from the manufacturer. It gets its colour not from a film applied to the surface, but from a pigment baked into the glass itself during production. It looks dark from the outside, but it actually only blocks around 20–30% of light, meaning it provides the appearance of privacy without a great deal of actual heat or UV rejection.

The short answer to whether you can tint over it is yes, absolutely. However... It needs to be done carefully and with the legal limits in mind. Because the glass itself already absorbs a percentage of light, adding film on top means the combined VLT drops further. This is exactly why choosing the right film percentage matters, and why an experienced installer needs to account for what the glass is already doing before deciding what goes on top. Get it wrong and you can end up with a result that looks uneven, or sits outside the legal limit without realising it.

How do I care for Window Film?

Fresh tint needs a little time to cure properly after installation. For the first few days you may notice small water pockets or a slight hazy appearance, this is completely normal and nothing to worry about. The film needs time to fully adhere to the glass and for any moisture trapped underneath to evaporate. During this period, leave it in the sun to speed up the process and leave the film alone to do its thing.
Once your tint has cured, usually within a few days depending on the weather, it's straightforward to look after. Always use an ammonia-free glass cleaner, as ammonia breaks down the adhesive over time and will cause your film to bubble, peel, and fail prematurely. Stick to a soft microfibre cloth and avoid anything abrasive.
Beyond that, quality film like what we install at Shady Business is built to last. No fading, no purpling, no peeling, just keep it clean the right way and it'll look exactly the same in ten years as it does on day one.