Window Tint · 5 min

Window Tint: Ceramic, Carbon, and the VLT Number

Tint listings throw around ceramic, carbon, and percentages like everybody already knows. Sixty seconds here and you will read any tint listing like a pro.

Updated October 23, 2026 · Research-based guidance, not a hands-on test claim

VLT is the whole game

VLT means visible light transmission — the share of light the film lets through. A 20% VLT film is darker than a 35% film. One catch most listings skip: the number describes the film alone. Your factory glass already blocks some light, so film over glass reads darker than the number on the box.

Ceramic vs. carbon vs. dyed

Dyed film is the budget tier — it colors the glass and cuts glare, and it fades fastest. Carbon film adds real heat rejection and holds its color. Ceramic is the top tier for heat rejection, and it does it without metallic content that can interfere with signals. You pay for heat rejection, not darkness: a lighter ceramic film can reject more heat than a dark dyed one.

Roll vs. precut

A roll is cheaper per window and forgiving to learn on — you trim it yourself, mistakes included. A precut kit is shaped for your exact truck; the Silverado front-door kit on our shelf exists because front doors are where first-timers waste the most film. First tint job? Precut fronts plus a practice roll is the honest path.

Run the legal check first

Tint law is state law, and it is not the same in Louisiana as it is in Texas or Mississippi. Every state sets its own minimum VLT for front side windows, and some restrict reflective films. Check your state's current limits before you order dark film — the merchant listing will not check for you, and a fix-it ticket costs more than the film.

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