The harm of vapor barrier and cotton wool during insulation. Delusions about vapor barrier 

The harm of vapor barrier and cotton wool during insulation. Delusions about vapor barrier. Do you need vapor barrier when warming? I will immediately answer that if you do a normal, ecological house, then vapor barrier is not needed. Vapor barrier, and many other films are just a marketing move, read money from gullible citizens. Take any supervisor from a construction company and it will draw you memorized phrases that now a century of new technologies and for insulation must be used to use mineral wool and a bunch of films, including vapor barrier. But in fact, vapor barrier is a necessary measure to minimize the negative consequences of the worst insulation - mineral wool. Stone mineral wool will settle in a couple of years, turn into dust and will fly at your home, scoring the lungs with you and your children. After getting wet, mineral wool can never have the same properties as in the beginning. And she will never save your heat. Why? Yes, because even when using films vapor barrier, cotton wool will still get wet and will only harm your home and your health.