When considering air barriers, what does “continuity” primarily refer to?

In the context of air barriers, "continuity" primarily refers to the unbroken path of the air barrier system. This concept is crucial because an effective air barrier must be continuous to prevent unwanted air leakage, which can compromise the building's energy performance and indoor air quality.

When an air barrier is continuous, it effectively controls the movement of air across the building envelope. This helps to maintain indoor environmental conditions, reduces energy loss, and minimizes the potential for moisture problems that can arise from air leaks.

While aesthetic quality, cost efficiency, and energy efficiency are important aspects of building design and construction, they do not directly pertain to the concept of continuity in air barriers. Continuity focuses on ensuring the air barrier is uninterrupted and sealed properly, which is essential for the barrier's performance in providing thermal comfort and energy efficiency.