Up to
98%
Heat Reduction

Boulder, Colorado
Vehicles driven in Boulder follow the window tint rules set by Colorado, which describe how much light the film on each window should let through. Knowing where those limits sit before you book keeps your car compliant and your visibility good, and it makes choosing a film far simpler.

Tint that falls outside the Colorado limits can lead to fines and follow-up paperwork. A fix-it ticket means correcting the film and then showing proof that the vehicle now complies, which is time and cost you can avoid by checking the shade before it goes on.
Film outside the legal limits usually has to come off, and removal is slower than drivers expect: the film is lifted and the adhesive cleaned away without damaging defroster lines or seals. Add the fine and the proof of compliance, and choosing a compliant shade at the outset is far cheaper than paying twice.
Colorado's tint rules are written by vehicle type, and they treat passenger cars differently from multi-purpose vehicles such as SUVs, vans and trucks. The tables below set out how those limits are described for each window, so you can see which category your vehicle falls into before you choose a shade.
Passenger Vehicles
Passenger vehicles, convertibles and sedans among them, have tint limits described window by window, with the front glass treated more strictly than the rear.
A non-reflective tint / sun strip, is allowed 4 inches from the top as long as it does not go past the AS-1 line on your windshield.
The Colorado law allows 27% of light visibility for front side windows.
The Colorado law allows 27% of light visibility for rear side windows.
The Colorado law allows 27% of light in visibility for the rear window.
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Passenger Vehicles
Hatchback, Sedan, Coupe, Station Wagon
Multi-Purpose Vehicles
Multi-purpose vehicles, including trucks, vans and SUVs, are covered by their own set of tint limits for the windshield, front sides, rear sides and rear window.
A non-reflective tint / sun strip, is allowed 4 inches from the top as long as it does not go past the AS-1 line on your windshield.
The Colorado law allows 27% of light visibility for front side windows.
The Colorado law allows 27% of light visibility for rear side windows.
The Colorado law allows 27% of light visibility for rear window tint.
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Multi-Purpose Vehicles
SUV, Van, Truck
Check with local authorities to confirm compliance.
Kepler IR and IR+ are nano-ceramic films built so that heat performance is measured separately from visible light transmission. That means a lighter, more legal-looking shade is still a serious film. Compare the exact film and shade with your installer.
Up to
98%
Heat Reduction
Up to
99%
UV Protection
Up to
96%
Glare Reduction
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Warranty terms
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With this deep tint, relish the pinnacle level of discretion and sophistication, due to our darkest window film that delivers superior style and security.
What comes next?
Explore our films in a full 360-degree view, enabling our Boulder window tinting customers to select the optimal tint shade. View our selectionhere.
Send us your vehicle details and the film you are considering, and ask a local tinter whether they carry Kepler film or can get it.


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Kepler films are made for daily driving: clarity you can see through, color that holds up, and performance that does not rely on going dark. Your installer can explain the coverage that applies to the specific film you choose before any work is booked.
How Kepler works
Kepler makes the film, not the tint job. Independent tinting businesses install window film. For a project in Boulder, Colorado, ask a local tinter whether they carry Kepler film or can get it, then arrange the work directly with that shop.
Start your quote requestFilm availability and installation services vary by independent shop.
Kepler makes automotive and architectural window film, from everyday tint to nano-ceramic.
Independent tinting businesses install window film. Ask a local shop whether they carry Kepler film or can get it.
Share your project details, then ask an independent local tinter whether they carry Kepler film or can get it.
Check the current official tint rules and enforcement guidance for your vehicle. If you receive a citation, follow the instructions on that notice and confirm any required action with the issuing authority. Do not rely on this page for a penalty amount or a prediction about the outcome.

Did you know we also feature commercial window tinting in Boulder? Explore our commercial services
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