By Paul Scelsi, Air Vent, published in Midwest Roofer Magazine, March 2021.
When we breathe while inside our homes, we’re generating water vapor. Some of that water vapor can potentially be damaging to our attic, our home’s building materials and to us. The need to properly ventilate residential attics is most obvious in the warmer months to help remove heat buildup. But wintertime moisture is equally a concern when evaluating attic ventilation.