Next to rain, air leaks through the building enclosure, walls roofs & floors, can have the biggest effect on the durability of a house. Also leaks and drafts in your house can cost up to a third of your energy costs. Along with that air leaks can also cause moisture and indoor air quality problems.
Stopping air is the second most important job of a building enclosure
Next to rain, air leaks through walls, roofs and floors can have the biggest effect on the durability of a house.