Building Science Education - 3-7 - Calculating R-Value for a Wall (Part 1)

[@davidhunt4291]

At minute 2:19 it is stated that as the air film "rises". Actually, it is the fact that the air contacting the wall doesn't move. If it moved there would be no insulation film referred to a stagnant air.

[@electronics.unmessed]

👍 good explanations!