Heat will not

Films are divided into groups.

Consider a special anti -guide film. Class A film can withstand not strong blows. Class B can withstand stronger blows. But the glass is still breaking. It will break in the place where they hit. But if you also set the alarm, you can catch a thief while he tries to punch a hole under his size. Class B film Bul. Such a film can protect even from a machine gun bullet. There is also a thin film. Such a film is good in that when broken glass, the glass does not crumble and nothing will hurt. Such a film is used on shop windows and car glasses. If you use the heat -saving film, then forty -five percent of heat will not be able to leave the house. There is also a fire -resistant film. Such a film is best used on interior doors, as it will not allow to quickly spread to fire.