Why Your DIY Car Window Tinting May Look Like a Mess

Browse any auto parts store and you're sure to see a few boxes of window tinting film that you can apply yourself, usually with nothing more than a razor to trim down the film and a squeegee to smooth it out. This film is typically very affordable, and it's also not that difficult to apply. You may think it's a good alternative to a professional window tinting, but might then also see that your DIY job looks like a mess when you're done. Note why that is and why a professional application can be a better choice.

Thickness of film

The film you buy at an auto parts store is usually very thick; this is a cheap way of making it block out the light. Rather than using more costly pigment in a thin film to create a darkening effect, manufacturers will simply use a cheaper but thicker film material, filled with cheap pigment, and then add layers and create a dark film. In turn, you may see that the film tends to sag and bubble, as its own weight pulls it out of shape and away from your windows. A professionally applied film will usually be thinner while still being darker, as manufacturers of high-quality film will invest in darker pigments that can be mixed in with thin film. In turn, high-quality film will stay in place better and not bubble or slide.

Purple color

You may note that your car's window tint starts to look purple before too long. This too is because of cheaper pigments that are often used by manufacturers of that cheap film. As they're exposed to sunlight, the pigments begin to change their chemical composition so that their red tones are exposed. This makes the film look purple rather than a dark brown or shade of black. A quality film that uses quality pigments will hold its color over time.

Weather conditions and application

What were the weather conditions like when you applied the film? If it was freezing or very warm and humid outside, this might affect the adhesion of the film itself so it begins to slide around or bubble. You may also be trying to apply too large of a section at once, so you don't get out all the bubbles properly. A professional installer will know to work in controlled conditions so the weather doesn't affect the film he or she is applying, and how to apply it in small sections so it is properly adhered to your windows and stays in place without bubbling.

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