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19 September 20264 min read

How to protect your home from UV and fading: the role of window film

By the VitraCare Team

We often hear the question phrased differently: "Why has my sofa turned yellow on that side?" or "How do I stop my floor from fading further?" In most cases, the answer is the same: the UV rays passing through your windows, day after day, for years.

Why UV damages your interior

Ordinary glass lets through the vast majority of the sun's UV rays. Invisible and without perceptible heat, they still gradually degrade the pigments in exposed fabrics, wood and synthetic materials — which explains a sofa that only fades on the window side, or a wooden floor that changes shade in patches over the seasons.

The existing solutions, and their limits

Curtains and blinds block UV well, but also light and view — you have to close them for them to work, which isn't always practical day to day. Solar-control glazing, built into the window itself, is effective but only applies to new windows or a full replacement, at a significantly higher cost. Window film is applied directly to your existing windows, with no construction work, and protects continuously without needing to close anything.

UV protection you can measure, not guess at

For our mirror-effect film (silver tint), UV protection varies by the intensity installed: from 46% for the light version to 87% for the strong version. Quality films can reach up to 99% according to the International Window Film Association — a ceiling our strongest versions approach without quite reaching. We'd rather give you these precise figures than a vague promise of "total protection".

Not all films block UV the same way

What many clients don't realise: the same film comes in several intensity levels — light, medium and strong. The stronger the intensity, the less light the room lets in, but the more heat and UV it blocks. From our installer's technical sheet: the light version lets through 43% of daylight and blocks around 65% of total solar heat, compared to just 7% of light let through but over 93% of heat blocked for the strong version.

It's not the client's choice which level to use: our technical team determines on site which intensity best suits your windows' orientation and your actual needs — UV protection, heat, or both at once.

A bonus benefit: privacy

If your film has a mirror effect, UV protection comes with a genuine bonus: daytime privacy. A client in Waterloo recently contacted us about their south-facing living room, with both a fading problem and an issue of being overlooked from the pavement — the same film solved both problems in a single installation. For more on that specific topic, our dedicated article on privacy covers all the solutions.

Silver or black mirror film: which do clients pick most?

Our mirror-effect film comes in two tints. Silver is the classic version: during the day, it fully blocks the view from outside while you keep a clear view from inside — but in the evening, if the interior is lit and it's dark outside, the effect reverses, just like with any ordinary window. Black is more radical: even at night, with the interior lit, it remains impossible to see inside, at the cost of noticeably less light indoors — a trade-off best suited to a glazed front door, less so to a living space.

In practice, a client in Waterloo with a south-facing living room chose silver, since their being-overlooked issue mainly came up during the day. Another contact, for a single window facing directly onto the pavement and looking for privacy at all times, would have been better served by black. The price doesn't change depending on the tint chosen: only the surface area to be treated affects the rate.

The price doesn't depend on the level of protection chosen

Our rate stays the same regardless of the film or intensity installed: it's the surface area to be treated that determines the price. To compare our 4 films (mirror, solar, matte white, anti-burglary), our complete guide to choosing your film includes a comparison table. For a price estimate, our article on pricing explains how the quote is calculated.

Still unsure?

Contact us, we'll advise you for free based on your situation and reply within 24 hours.

Frequently Asked Questions

Does window film really protect against fading?

Yes — this is directly tied to the UV protection level of the film installed, which ranges from 46% to 87% depending on intensity for our mirror-effect film. The higher the UV blocking, the slower the fading.

Do you still need to close curtains with window film?

No, that's exactly the point: the film protects continuously, with no daily action needed, unlike curtains or blinds which have to be closed to work.

Do all our films offer the same UV protection?

No. For our mirror-effect film, protection ranges from 46% to 87% depending on the intensity installed. We don't yet have precise UV figures for the black tint — we'd rather not quote a number until it's confirmed.

Does the price change depending on the UV protection level wanted?

No, our rate depends only on the surface area to be treated, not the intensity or type of film chosen.

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