Unprotected Dark Automotive Glass may Offer a False Sense of Security

June 8th, 2022 by Chris Collier

Unprotected dark automotive glass may offer a false sense of security to vehicle owners who could believe dark glass affords them protection from the sun’s harmful ultraviolet (UV) rays, according to the nonprofit International Window Film Association (IWFA).

“Many newer vehicles have dark or dyed glass from the manufacturer and it may give consumers the impression of being protected from the sun’s harmful UV rays, but most original equipment manufacturer dyed glass does not, unless it has UV inhibitors added into the glass,” says Darrell Smith, executive director of the IWFA. “As an aftermarket product, all quality window films reduce the sun’s UV rays by 99% and may also reduce the sun’s heat by as much as 55%.”

Automotive window films may improve comfort and safety for occupants by reducing the sun’s harmful UV rays that lead to cancers and cataracts, helping to keep the cabin cooler and ensuring the air conditioning system doesn’t need to work as hard.

As far as safety improvement, window film may help passengers in two ways. First, window film decreases the chance of glass fragments flying in upon impact and may even help to prevent passengers from being ejected from the vehicle during a collision. In addition, passengers may also be protected from granules of flying glass that could cause lacerations and eye injuries.

The IWFA offers information on its website on the laws that govern how dark window film can be so consumers can be familiar with their local window film laws before making a decision on installation. Some jurisdictions will levy fines to the owner and/or operator of the vehicle and may require the window film to be removed if it does not meet the local law.

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