
In the context of homes and buildings, an air barrier is a continuous system of materials, assemblies, and sealed joints that prevents the uncontrolled flow of air into and out of the home or building envelope. The primary purpose of an air barrier is to improve energy efficiency, indoor air quality, and overall building performance.
By sealing any cracks, holes, or gaps in the building envelope, an air barrier minimizes the unintended movement of air, which can lead to significant energy losses and comfort issues.
Controlling air movement helps maintain the desired indoor temperature and prevents drafts, improving the overall thermal performance of the building.
An air barrier can prevent the intrusion of outdoor pollutants, allergens, and moisture, contributing to a healthier indoor environment.
By restricting airflow, an air barrier can help mitigate the risk of condensation, mold growth, and other moisture-related issues within the building assembly.
Many homes and building codes along with energy efficiency standards, require the installation of an effective air barrier system to meet performance and safety requirements.

The air barrier system typically consists of a combination of materials, such as housewraps, rigid foam insulation, sealants, and specialized tapes or membranes, strategically placed and sealed throughout the building envelope. Proper installation and integration of the air barrier components are crucial to ensuring its effectiveness and the overall energy efficiency and indoor environmental quality of the structure.
Franklin D. Roosevelt
WRIGHTWAY SERVICES
5289 Chumar Drive, Columbus, GA, USA
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