Frequently Asked Questions Q1. How long does 3M Window Film last? Q2. What is the warranty for 3M Window Film? Q3. How do 3M Sun Control Films work? Q4. Does 3M make window films? Q5. How do 3M Low E Window Films work? Q6. Why do commercial customers have 3M film applied to their buildings? Q7. What is the typical energy pay back for 3M Sun Control Window Films? Q8. How is 3M Window Film applied? Q9. How long does it take for 3M Window Films to dry? Q10. Can I install 3M Window Film myself? Q11. How do I clean my 3M Window Films? Q12. Do 3M Window Films cause seal failure when applied to insulated (double-pane) windows? Q13. Will 3M Window Films stop my furnishings from fading? Q14. Does the Ultra Violet protection lose its effectiveness over time? Q15. How do 3M Safety and Security Window Films work? Q16. Are 3M Safety & Security Window Films hurricane-proof? Bullet-proof? Burglar-proof? Q17. Do 3M Window Films cause glass to break?