by Sam Rashkin Insulation (such as fiberglass, rock wool, or cellulose) need a complete air barrier on all six sides. This ensures the thermal control layer works effectively, since air can flow through it. Think of the difference outdoors on a cold windy day with a sweater and...
In this episode of A Cup of Joe, Joe Lstiburek walks us through airtightness and the role of air barriers -- systems of materials used to control airflow in building enclosures. About Lstiburek: Dr. Joe Lstiburek is the founding principal of Building Science Corporation, one of the most...