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Question DetailsAsked on 7/7/2012

Is UV protecting film safe to use over our 19-year old double pane windows on a south-facing atrium wall? (Vista Dual-Reflective film)

We have an atrium ranch with south-facing windows. We've gotten a quote on window film. When we had a window in another room replaced, I asked the glass company about the film. One said it could cause the seals in our windows to break. A few days later, another guy from the same company said film is a great idea. I'm confused!

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2 Answers


From personal experience Thermal Pane rated reflective film is pretty nifty. Important word here Thermal Pane rated. If film has this rating it will work like a charm to reflect most of the heat gain previously coming thru the glass. When I installed it, directions specified a gap of approx 1/6th inch around the parimeter. Was pretty easy install with a squigee to move the water from under the film.

I have also installed it on a full view storm door to cut down on the fade of a yellow painted door, reduce the heat gain, and glare.

FYI I put my lawn into shock from the reflected light off four big thermal casement windows but it recovered in the fall,, Looked like a brown lawn in the same square shapes of the four windows,,Neato

Jim Casper

Old Energy Conservation Guru


Answered 8 years ago by jccasper


The Vista brand is one of the best (if not the best) and your Vista dealer is qualified by the largest window film mfr. in the world to determine which films are made to be installed on your particular glass type. In addition to the lifetime warranty on the film itself, the mfr. also offers coverage for your glass for thermal shock fracture. With the age of your windows I doubt you have a warranty from your window mfr. so you may likely have superior coverage for your glass from the film mfr. than you currently have. No film mfr. gives coverage for seal failure unless you already have existing seal failure coverage from your window manufacturer but again, your Vista dealer is highly qualified to make the film to glass recommendation based on following guidelines from the film mfr.


Answered 8 years ago by Sun Control

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