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Frequently Asked Questions

What is VLT?

Automotive glass usually contains some level of factory tinting. Most automotive glass is in the range of 70% - 85% light transmission. Only the clearest glass is above 90% and is not very common in most markets. When the glass is coated with window film the resulting light transmission is lower than the film alone and is called NET VLT. If the glass is 80% VLT it will darken the film by 20%. A simple rule of thumb is NET VLT equals the transmission of the glass multiplied by the transmission of the film. This method is not perfect but it is close enough to keep you and your customers out of trouble.

How do I contact TintCenter Store?

Please directly send email to or use our contact form. We will continue to add questions and answers to this section as you let us know what is on your mind.