The importance of VLT For Car Sun Films

Daily Article
4 min readJan 2, 2025

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The importance of VLT For Car Sun Films

Car sun films are frequently commended for their ability to keep vehicles cool and shield passengers from the harmful UV rays of the sun. However, their use in India has sparked debates, confusion, and misconceptions due to varying regulations. Although many people believe that car sun films are necessary for comfort and safety, it is crucial for all car owners to be aware of the legal framework around them. This guide explores the laws pertaining to visible light transmission (VLT) limitations for automobile windscreens and windows, which you should be aware of in order to stay informed.

The importance of VLT

Visible Light Transmission (VLT) is the proportion of visible light that may flow through a film or window. Greater light transmission is indicated by a greater VLT percentage, and less light transmission is indicated by a lower VLT percentage. Car sun coverings can enhance privacy and reduce heat, but too dark of a film might make it difficult to see through, leading to safety concerns. Maintaining visibility while providing adequate UV and heat protection is the ideal balance. Here is where laws come into play to set guidelines for acceptable VLT levels for different auto components.

Legal regulations for sun films in India

The Central Motor Vehicle Rules (CMVR), 1989, as well as a significant Supreme Court decision in 2012, are the two main sources of India’s sun film rules.

As per the Central Motor Vehicles Rules (CMVR), 1989, side windows must have a minimum VLT of 50% and front and rear windscreens must have a minimum VLT of 70%. These recommendations offer minimal UV and heat protection while guaranteeing sufficient visibility. Crucially, these restrictions do not apply to any aftermarket coatings or films; they only apply to the glass itself.

The Supreme Court of India ruled in 2012 that it was illegal to apply any kind of aftermarket solar film on automobile windscreens and windows. The court’s ruling was predicated on the idea that dark films could compromise security by blocking the view inside the car, which would make unlawful activity easier. According to the order, no substance, including sun films with any VLT percentage, may be placed to the windowpanes of a vehicle. However, glass that has been coloured in a factory using specified VLT levels is permitted.

The role of manufacturers and RTOs

Car manufacturers usually install factory-tinted glass that complies with the Central Motor Vehicles Rules (CMVR), 1989, in order to meet VLT criteria. This guarantees that the necessary safety and visibility standards are upheld without requiring aftermarket adjustments. Car owners can check the VLT levels of their vehicle windows at authorized centres or Regional Transport Offices (RTOs) for added assurance. These facilities employ specialized equipment to verify compliance, assisting drivers in abstaining from fines by following rules. Upholding these standards improves passenger comfort and safety while also guaranteeing legal compliance.

Enforcement challenges

Despite the Supreme Court’s unambiguous decision, different Indian states and cities have different laws in place. How thoroughly these rules are applied depends on a number of factors, including public awareness, local law enforcement priorities, and regional climate conditions. Speaking about Bangalore, a city renowned for its high car density and tech-savvy populace, sun protection laws are strictly enforced. To make sure that the Supreme Court decision and CMVR rules are being followed, traffic police frequently perform inspections. Many Bangalore residents look for ways to lower the heat and glare inside their cars because of the city’s warm temperature. An increasingly common substitute are transparent UV-blocking films that don’t change the VLT percentage of windows. These coatings offer protection from heat and hazardous radiation while adhering to legal regulations.

Autopad sun films to the rescue

Autopad’s sun films provide legal compliance while providing the ideal solution for Bangalore’s climate. These films offer the best protection and comfort because they are made to filter the harmful UV rays and reduce heat without affecting the VLT percentage of windows. They keep car interiors cooler, which lowers the need for air conditioning and improves fuel efficiency. They are perfect for the warm city weather. Their translucent design satisfies Bangalore’s strict enforcement criteria while guaranteeing clarity and visibility. These sun films for car in Jayanagar thus make driving in Bangalore safer, more comfortable, and ecologically beneficial without raising any legal issues by fusing cutting-edge technology with legal compliance.

Making prudent choices and keeping up with sun film rules can guarantee that you abide by the law while still taking advantage of the benefits of UV protection, reduced heat, and improved comfort. To protect your health and keep your car in accordance with Indian laws, pick solutions that put safety, legality, and efficacy first.

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