Air leak / Green Building & Sustainable Home Renovation Information & Advice

...air barrier that you can’t possibly see - from as small as a human hair to as big as a half-inch wide. The airflow in the home is monitored in real time by the blower door computer. Depending on the building size, the number of leaks and the client’s desired level of airtightness, the process of installing Aerobarrier ...

...air barrier as being: 1. Continuous: no gaps, cracks or openings. 2. Impermeable to the leakage of air. 3. Rigid: supported in both directions from wind pressure. 4. Durable: must last the life of the building. 5. Repairable: access for repair if damaged. A sampling of air barrier materials and techniques: House wrap: ...

...air barriers and vapor barriers The job of a vapor barrier is to prevent vapor diffusion, and the job of an air barrier is to stop air leakage through differences in air pressure. A wall system should have one vapor barrier, but can have many air barriers. A vapor barrier can act as a very effective air barrier, but an...