Window Works

  • Home
  • Films
    • Sun Control & Heat Rejection
    • Security & Safety
    • Decorative & Interiors
    • Daylighting
    • Insulation
  • Applications
    • Architectural Design + Interiors
    • Construction + Building Trades
    • Property + Facilities Management
    • Security
  • Videos
    • 3M Fasara Whiteboard Glass Finishes
    • 3M Safety & Security Window Film Videos
      • Security Film Overview
      • Ultra S600
      • Ultra S800
      • Bomb Blast
      • Safety Film Testing
    • 3M Prestige Series Videos
    • 3M Daylight Redirecting Film
  • Customer Care
    • Contact NY – NJ
    • Contact SF – Bay Area
    • Window Film Care
    • FAQ’s
  • Blog

Automotive Window Film: 5 Frequently Asked Questions

July 8, 2015 by Window Works 1 Comment

Automotive Window Film: 5 Frequently Asked Questions
Automotive Window Film: 5 Frequently Asked Questions

Our clients ask us a lot of questions about window film. You might have heard that there are no stupid questions. And to that we’d add that there are some questions that almost everyone has! Here are a few of the ones we hear all the time!

Even the genius asks questions.
Even the genius asks questions.

Does the Film Go on the Outside or the Inside?

The film goes on the inside, although we use the outside of the glass to measure the film. If you look very carefully at already-applied film, you’ll be able to see the edge right up at the tippy-top of the glass.

Window Film Goes on the Inside of the Glass
Window Film Goes on the Inside of the Glass

Will My Window Film Turn Purple?

The short answer is that all window film fades eventually. The slightly longer answer is that the better the quality of window film, the less fading you will have. All window films have red, blue and yellow colors in them. but the yellow fades the fastest, leaving blue and red. Blue and red mixed together make purple, so you end up with purple.  For a longer answer, take a look at this article from City Scoop: Why Do Window Films Turn Purple?

Will My Window Film Turn Purple?
Will My Window Film Turn Purple?

Is There Any Interference with my Cell Phone Signal?

We use 3M’s window film. To quote from the 3M website, “Because these films are non-metallized, you can be assured of zero interference with GPS or cell phone signals.” So talk away! Your cell phone signal is safe with our window film.

Is There Any Interference with my Cell Phone Signal?
Is There Any Interference with my Cell Phone Signal?

How Long Does Window Film Take to Apply?

Unless your vehicle is very large with many windows, the job will usually be done within a few hours. We usually recommend that you leave your car with us. By the way, we are now conveniently located in Santa Clara, very close to the San Jose Airport.

3M Window Film Doesn't Interfere with Your Cell Signal
3M Window Film Doesn’t Interfere with Your Cell Signal

How Do I Care for My Windows?

Use a soft, clean cloth to clean the windows and a squeegee to help dry the windows, along with any normal glass cleaner. The scratch-resistant coating helps protect your windows and ensures that you don’t need to take extra care to protect them.

Have More Questions?

Give us a call, or contact us through our social media channels. We are @WindowWorksCa or @MotorWorksCA on Twitter, on Facebook: WindowWorksCA or MotorWorksCA.

 

Filed Under: Blog Tagged With: 3M window film, automotive, cell phone interference and window film, FAQs, frequently asked questions, San Francisco Bay Area, Santa Clara, window film, window film goes on the inside, window film turning purple, window tint

Locations

201 East 36th Street New York City, NY 10016
850 South Van Ness San Francisco, CA 94110
400 Reed Street Santa Clara, CA 95050

877-677-0067

Start a Project

We'd love to hear about your upcoming project. Give us a call at 877-677-0067

Connect with Us

Want to keep up with what’s going on at the agency? Follow us across our Social Networks:

Copyright © 2026 · Agency Pro Theme on Genesis Framework · WordPress · Log in