Imagine a cold, wet, windy day. You can take an umbrella to protect you from the water alone, but that won’t deal with the cold (temperature) or the wind (air convection). You can add in a light ...

Blanket The blanket form of a vapor barrier are materials that are sold in a roll or batt. An example is fiberglass insulation with a foil face. Coating Coating form vapor barriers are materials that ...