What Causes Window Tint to Turn Purple (and How to Prevent It)?
If you’ve ever walked out to your car or looked through a home window and thought, “Wait… why is my tint kind of purple now?”—you’re not imagining it. Window tint that used to look deep charcoal or clean black can shift into a violet, grape, or bluish-purple hue over time. It’s a common issue, and it’s usually a sign that something in the film’s construction is breaking down. The good news is that purple tint isn’t a mystery curse. It’s typically the result of predictable factors like film type, UV exposure, heat, and aging adhesives. Once you understand what’s happening…
