Darkness of tint is measured by Visible Light Transmission percentage (VLT%). In Oregon, this percentage refers to percentage of visible light allowed in through the combination of film and the window.
Similar to sunglass lenses, some tinting film contain metallic elements that help in reflecting incoming light and reducing the glare and heat generated by visible light.
The tint color(s) of RED GREEN AMBER are not legal by state law.
Dual side mirrors are required if back window is tinted.
Manufacturers of film need to certify the film they sell in the state. Ask your dealer if they are using ceritified film.
No sticker to identify legal tinting is required.
State allows medical exemptions for special tint. For more details about the specific terms of the exemption, consult your state law.
Window tinting laws vary from state to state and province to province. Before applying any window tinting materials, you should thoroughly review the appropriate state regulations as well as local enforcement policies to insure compliance with all applicable standards.