Value to Air Sealing Between Floors?

In a two-story house of average air-leakiness, is is possible and valuable to slow down the stack effect by air-sealing the upstairs and downstairs from each other? Weatherstrip the stairwell… In a two-story house of average air-leakiness, is is possible and valuable to slow down the stack effect by air-sealing the upstairs and downstairs from each other? Weatherstrip the stairwell…Read MoreGreenBuildingAdvisor