EXOAIR® 220 Fluid-Applied Permeable Air Barrier Membrane is a monolithic, elastomeric membrane designed to be rolled or sprayed onto exterior above-grade wall assemblies to mitigate air infiltration/exfiltration and water penetration while remaining permeable to the passage of water vapor.
![Tremco ExoAir 220](https://bapionline.com/wp-content/uploads/2024/03/Tremco-ExoAir-220.jpg)