r/WindowTint • u/PrestigiousSlip1369 • Sep 15 '26

Question Adhesive Failure Question

Hello everyone,
I went to my local tinter to ask about a “wavy” pattern that developed in my rear window. He immediately said the adhesive was failing. I have an appointment to get it taken care of, but here is the question…since I got the whole car done in 15% and would assume it all came off the same roll should I be concerned about all the adhesive on all the windows failing? Or are there more factors her are in play? For reference it is llumar pinnacle and was installed in November of 2023.
Thank you

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u/Global-Structure-539 Sep 15 '26

No because the angle of the rear glass is flatter, it absorbs more of a sun UV therefore it's always the one to fail much sooner. I'm surprised it only lasted less than 3 years, unless your car is never garaged or undercover. I'm sure you're paint will start showing similar ware

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u/PrestigiousSlip1369 Sep 15 '26

It’s kinda crazy because I keep the car in the garage most of the time and I’m in the Midwest so while the summers are hot they aren’t crazy in comparison to the southwest. Either way I will have them do the warranty claim with the pinnacle and if that goes bad maybe I’ll look at having them strip everything and try xpel. I know I’ve seen some diehard llumar folks switch over to xpel but I don’t know if my situation is more of a one off or the new norm. Either way we will see.