Window Tinting; Car window tinting not only adds style but also keeps the sun out, reduces glare and harmful rays and also increases privacy. Our car window film is approved by 90% of automotive manufacturers. Our car tinting products are covered by manufacturers 10 year warranty, providing you with greater peace of mind. In the UK, you can legally tint the rear windows (rear doors and rear windscreen) as dark as you like. There are laws for the front door windows which should be no darker than a 70% tint.