Wouldn’t a home with that type of insulation be rather unhealthy to live in over time? Homes are designed to “breath” - you not only want to circulate air but a

Wouldn’t a home with that type of insulation be rather unhealthy to live in over time? Homes are designed to “breath” - you not only want to circulate air but also prevent mold, etc from taking form. Saying that, many homes could use better insulation in their roofs. It’s interesting on a snowy day to see which homes have good and bad insulation.