Which material is commonly used as an air barrier?

In the context of air barriers, plywood is a commonly used material due to its structural integrity and ability to resist air leakage. Air barriers are essential in building design as they help control the movement of air in and out of a building, which in turn influences energy efficiency, indoor air quality, and overall comfort.

Plywood provides a solid and continuous surface that can be effectively sealed to prevent unwanted air infiltration. Its durability and resistance to various environmental factors make it a reliable choice for construction applications where maintaining an airtight building envelope is critical.

While other materials, such as plastic wrap, can act as air barriers in certain situations, plywood offers more strength and compatibility with other building materials, making it a preferred option in many construction scenarios.