Windshield Tint Florida: What the Law Actually Allows

Most Drivers Get This Wrong

Florida law is specific about windshield tinting. Most drivers either do not know the rules or assume no tint at all is allowed on the windshield. Neither assumption is fully correct.

Here is the actual law and what it means for your options.

The AS-1 Line Rule

Florida allows tint on the windshield only above the AS-1 line. The AS-1 line is a marking etched into the edge of your windshield glass. It typically runs about 5 to 6 inches from the top of the glass.

You can apply a tint strip above that line. Below the AS-1 line, no tint is allowed without a medical exemption. This applies to all passenger vehicles in Florida.

The tint strip above the AS-1 line is legal in any darkness. Most drivers choose a dark ceramic strip there to reduce overhead sun glare and cockpit heat from the top of the windshield.

What a Ceramic Windshield Strip Does

Even a 6-inch strip of ceramic film across the top of the windshield makes a noticeable difference. The heat coming through the upper portion of the windshield hits the dash and A/C vents directly. Blocking that strip of solar radiation reduces overall cockpit temperature.

Glare is also reduced significantly for drivers who deal with low-angle morning or afternoon sun on highways and city streets. The strip catches that direct glare that sunvisors often miss.

This is a small upgrade with an outsized impact on driving comfort in South Florida.

Full Windshield Tint: The Medical Exemption

Florida does allow full windshield tinting for drivers with a qualifying medical condition. Conditions that typically qualify include extreme light sensitivity, lupus, certain skin conditions, and documented photophobia.

To get a medical exemption, you need a written statement from a licensed physician in Florida describing your condition and why you require reduced sunlight exposure while driving. This document must be kept in the vehicle at all times when the exemption is in effect.

The exemption is issued by the Florida Department of Highway Safety and Motor Vehicles. The film used must be certified and documented.

Why Windshield Tinting Matters in Florida

The windshield is the single largest piece of glass on your vehicle. It faces forward, directly into the sun during morning and evening driving. It also faces skyward when parked, collecting heat from above all day.

Even without a full windshield tint, treating what you can legally treat makes a significant difference in cabin temperature. Combined with ceramic film on all other windows, a legal windshield strip contributes to a dramatically cooler and more comfortable vehicle interior.

At Shine Bright Mobile, we handle legal windshield strips as part of full vehicle tinting packages. We serve drivers across Miami Beach, Fort Lauderdale, and throughout South Florida. We know Florida law and make sure every installation keeps you compliant.

For the full breakdown of Florida legal limits on every window position, read our guide to Florida tint laws in 2026.

The Bottom Line

Windshield tinting in Florida is allowed above the AS-1 line. A ceramic strip there is legal, effective, and worth doing. Full windshield tinting requires a documented medical exemption. Know the rules, follow them, and maximize the heat and glare protection that is legally available to you.