Labels:clock | hakham | house | mountain | poster | sky | tree | web site | windowpane OCR: Building Basics An extreme example of ice damming caused moisture vapor condensation in an attic in Alaska Gutters are not the cause ICE damming Warm humid air from the living spaces rises and encounters cold dry conditions in the attic Condensation occurs on the Eave Venting roof deck and the latent heat in the moisture vapor transfers through sheathing and shingles to melt the snow <PREV NEXT