Roof Ice Dam | Soffit Vents

Ice dam prevention. The importance of open ventilation at the soffit, or roof eave of the house, to prevent snow melt, ice dams, and the resultant leaks from occurring during winter.

A short video that includes an attic smoke / ventilation test. Photos and video of hot air escaping from an attic that has had it's soffit vents painted shut and blocked from the inside.