Posts Tagged ‘Air barrier’

Pie Global Blog

Denver, Colorado

Air and Vapor Barriers in a Cold Climate Commercial Roof—Do I Need One?

Air barrier systems in commercial buildings in cold climate zones are designed and constructed to control air and vapor transmission between a conditioned space and an unconditioned space. The air barrier system is the primary air boundary that separates indoor (conditioned) air and outdoor (unconditioned) air. The purpose of a vapor barrier, or vapor retarder, […]


Air Barrier Testing: Bigger is Better

In the world of whole building air barrier testing, bigger is in fact better.  Larger buildings tend to perform much better, with significantly less air leakage measured per square foot of building envelope, when tested.  Why is this … more money for construction materials, more experienced personnel, a better quality control program?  While these are […]


Pie Goes International in the Marshall Islands

Pie recently augmented its international services by successfully completing building air tightness testing and repair consultation on an 87,000-square-foot 1960s-era facility located in the Republic of the Marshall Islands.  The federal project for Building 5050 on Meck Island, Kwajalein Atoll, focused exclusively on evaluating the airtight performance of the command/control building envelope for the purposes […]