Air Barrier Paper

This air barrier paper is also called building wrap. This particular one is called Tyvek. It is designed to act as an air barrier at an approach in controlling infiltration. If you carefully tape the paper at joints and seal it at edges, it makes an effective air barrier. Very effective!Definition of an Air Barrier: • Impermeable to airflow • Continuous over the entire building enclosure or continuous over the enclosure of any given unit • Able to withstand the forces that may act on them during and after construction • Durable over the expected lifetime of