To protect against direct impact and forced entry, a film thickness of 7 to 12 mils is typically chosen; this effectively holds shattered glass fragments within the frame. We started Looking at security film for home windows after a break-in two doors down and immediately realized that applying it ourselves without special experience and a powerful hair dryer is not worth it. Due to the material's thickness, it is easy to create air bubbles and ruin the appearance. It is best to leave the job to professional installers to ensure the glass remains perfectly clear. Wishing you peace of mind and safety!