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Wisconsin State Window Tinting Laws

Automotive Window Tint Laws in Wisconsin:

 
How dark can window tint be in Wisconsin?
Windshield: Non-reflective tint is allowed along the top of the windshield above the manufacturer's AS-1 line.
Front Side Windows: Must allow more than 50% of light in.
Back Side Windows: Must allow more than 35% of light in.
Rear Window: Must allow more than 35% of light in.
 
How reflective can window tint be in Wisconsin?
Front Side Windows: No reference to reflectivity in the current law.
Back Side Windows:   No reference to reflectivity in the current law.
 
Other Wisconsin automotive window tinting rules & regulations:
Restricted Colors: No colors of tint are explicitly banned.
Side Mirrors: Dual side mirrors are required if back window is tinted.
Certificate Requirements: Manufacturers of film do NOT need to certify the film they sell in the state.
Sticker Requirements: No sticker to identify legal tinting is required.
Medical Exemption: State allows medical exemptions for special tint. For more details about the specific terms of the exemption, consult your state law.