UpCodes logo
The primary air barrier of a building; that part of the envelope that provides the greatest resistance to airflow to or from the building.
Go To Full Code Chapter

Related Code Sections

C402.5.9 [CE] Commercial Energy Efficiency, Building Cavities
and pressure envelope of the building and shall contain a continuous air barrier between the conditioned space and the vented unconditioned space that is also ...
C402.5.9 [CE] Commercial Energy Efficiency, Building Cavities
and pressure envelope of the building and shall contain a continuous air barrier between the conditioned space and the vented unconditioned space that is also ...
C402.4.9 [CE] Commercial Energy Efficiency, Building Cavities
and pressure envelope of the building and shall contain a continuous air barrier between the conditioned space and the vented unconditioned space that is also ...
1609.6.3 Structural Design, Design Equations
of wind pressures on the building envelope in accordance with Equation 16-35. (Equation 16-35) Design wind forces for the MWFRS shall be not less ...